Tennessee
Area code 423
Area code 423 covers Chattanooga, Johnson City, Bristol, Cleveland, Kingsport and more in Tennessee, in the Eastern and Central time zone. It has been in service since 1995. It shares its area with 729 (an overlay).
Most reported 423 numbers
Carriers in 423
Line types
Counted over the exchanges, from the carrier each was assigned to.
Cities in area code 423
Every 423 exchange
The first six digits of a number. Each one with 3 or more flagged numbers has its own page: who it was assigned to and the numbers in it.
| Exchange | City | Carrier | Type | Flagged |
|---|---|---|---|---|
| 423-200 | Morristown | Lumen (Level 3) | VoIP | 0 |
| 423-201 | La Follette | Lumen (Level 3) | VoIP | 0 |
| 423-202 | Johnson City | Verizon Business | VoIP | 0 |
| 423-203 | Chattanooga | Boost Subscriberco | Landline | 0 |
| 423-205 | Etowah | Onvoy (Sinch) | VoIP | 0 |
| 423-206 | Chattanooga | Electric Power Board of... | Landline | 0 |
| 423-207 | Midway | Lumen (Level 3) | VoIP | 0 |
| 423-208 | Chattanooga | AT&T Mobility | Wireless | 0 |
| 423-209 | Chattanooga | AT&T | Landline | 0 |
| 423-210 | Tellico Plains | UScellular | Wireless | 0 |
| 423-212 | Blountvl | Lumen (Level 3) | VoIP | 0 |
| 423-213 | Elizabethton | T-Mobile | Wireless | 0 |
| 423-214 | Englewood | UScellular | Wireless | 0 |
| 423-215 | Oneida | Verizon Wireless | Wireless | 0 |
| 423-216 | Benton | Windstream (PAETEC) | VoIP | 0 |
| 423-217 | Bristol | Lumen (Level 3) | VoIP | 0 |
| 423-218 | Johnson City | Lumen (Level 3) | VoIP | 0 |
| 423-219 | Charleston | AT&T | VoIP | 0 |
| 423-220 | Erwin | Windstream (PAETEC) | VoIP | 0 |
| 423-221 | Chattanooga | Spok (paging) | Pager | 0 |
| 423-222 | Pikeville | AT&T Mobility | Wireless | 0 |
| 423-223 | Oneida | AT&T Mobility | Wireless | 0 |
| 423-224 | Kingsport | Lumen (CenturyLink) | Landline | 0 |
| 423-225 | Benton | Bandwidth | VoIP | 0 |
| 423-226 | Church Hill | Bandwidth | VoIP | 0 |
| 423-227 | Chattanooga | T-Mobile | Wireless | 0 |
| 423-228 | South Pittsburg | Windstream (PAETEC) | VoIP | 0 |
| 423-229 | Kingsport | Lumen (CenturyLink) | Landline | 0 |
| 423-230 | Kingsport | Lumen (CenturyLink) | Landline | 0 |
| 423-231 | Morristown | AT&T Mobility | Wireless | 0 |
| 423-232 | Johnson City | Lumen (CenturyLink) | Landline | 0 |
| 423-233 | Johnson City | Pro Page Partners | Pager | 0 |
| 423-234 | Baileyton | Lumen (CenturyLink) | Landline | 0 |
| 423-235 | Bulls Gap | AT&T | Landline | 0 |
| 423-236 | Apison | Brightspeed of Southern... | Landline | 0 |
| 423-237 | Newport | AT&T Mobility | Wireless | 0 |
| 423-238 | Ooltewah | Brightspeed of Southern... | Landline | 0 |
| 423-239 | Midway Sul | Lumen (CenturyLink) | Landline | 0 |
| 423-240 | Chattanooga | Verizon Wireless | Wireless | 0 |
| 423-241 | Verizon Wireless | Wireless | 0 | |
| 423-242 | Chattanooga | AT&T | VoIP | 0 |
| 423-243 | Soddy-Daisy | AT&T | VoIP | 0 |
| 423-244 | Cleveland | AT&T | VoIP | 0 |
| 423-245 | Kingsport | Lumen (CenturyLink) | Landline | 0 |
| 423-246 | Kingsport | Lumen (CenturyLink) | Landline | 0 |
| 423-247 | Kingsport | Lumen (CenturyLink) | Landline | 0 |
| 423-248 | Newport | T-Mobile | Wireless | 0 |
| 423-249 | Fork Ridge | AT&T | Landline | 0 |
| 423-250 | Cleveland | Twin Lakes Communications | Landline | 0 |
| 423-251 | Kingsport | T-Mobile (Metro) | Wireless | 0 |
| 423-252 | Athens | Windstream (PAETEC) | VoIP | 0 |
| 423-253 | Tellico Plains | Tellico Tel | Landline | 0 |
| 423-254 | Morristown | Windstream (PAETEC) | VoIP | 0 |
| 423-255 | Chattanooga | T-Mobile | Wireless | 0 |
| 423-256 | Church Hill | Lumen (CenturyLink) | Landline | 0 |
| 423-257 | Limestone | Lumen (CenturyLink) | Landline | 0 |
| 423-258 | Morristown | AT&T Mobility | Wireless | 0 |
| 423-259 | New Tazewell | UScellular | Wireless | 0 |
| 423-260 | Chattanooga | Verizon Wireless | Wireless | 0 |
| 423-261 | Tellico Tel | Landline | 0 | |
| 423-262 | Johnson City | Lumen (CenturyLink) | Landline | 0 |
| 423-263 | Etowah | AT&T | Landline | 0 |
| 423-264 | Vonore | Comcast (Xfinity) | VoIP | 0 |
| 423-265 | Chattanooga | AT&T | Landline | 0 |
| 423-266 | Chattanooga | AT&T | Landline | 0 |
| 423-267 | Chattanooga | AT&T | Landline | 0 |
| 423-268 | Johnson City | AT&T Mobility | Wireless | 0 |
| 423-269 | Chattanooga | Verizon Wireless | Wireless | 0 |
| 423-270 | Erwin | Verizon Wireless | Wireless | 0 |
| 423-271 | Sweetwater | Verizon Wireless | Wireless | 0 |
| 423-272 | Rogersville | AT&T | Landline | 0 |
| 423-273 | Morristown | T-Mobile | Wireless | 0 |
| 423-274 | Bristol | Lumen (CenturyLink) | Landline | 0 |
| 423-275 | Chattanooga | Windstream (PAETEC) | VoIP | 0 |
| 423-276 | Kingsport | AT&T Mobility | Wireless | 0 |
| 423-277 | Morristown | T-Mobile | Wireless | 0 |
| 423-278 | Greeneville | Lumen (Level 3) | VoIP | 0 |
| 423-279 | Blountvl | Lumen (CenturyLink) | Landline | 0 |
| 423-280 | Chattanooga | Verizon Wireless | Wireless | 0 |
| 423-281 | Butler | Charter IP Enabled Services | Landline | 0 |
| 423-282 | Johnson City | Lumen (CenturyLink) | Landline | 0 |
| 423-283 | Johnson City | Lumen (CenturyLink) | Landline | 0 |
| 423-284 | Cleveland | AT&T Mobility | Wireless | 0 |
| 423-285 | Dayton | AT&T Mobility | Wireless | 0 |
| 423-286 | Oneida | Highland Tel. Coop | Landline | 0 |
| 423-287 | Chattanooga | AT&T | Landline | 0 |
| 423-288 | Kingsport | Lumen (CenturyLink) | Landline | 0 |
| 423-289 | Morristown | T-Mobile | Wireless | 0 |
| 423-290 | Chattanooga | Verizon Wireless | Wireless | 0 |
| 423-291 | Mountain City | T-Mobile | Wireless | 0 |
| 423-292 | T-Mobile | Wireless | 0 | |
| 423-293 | Rogersville | T-Mobile | Wireless | 0 |
| 423-294 | Chattanooga | Lumen (Level 3) | VoIP | 0 |
| 423-295 | Ball Play | Tellico Tel | Landline | 0 |
| 423-296 | Chattanooga | AT&T | Landline | 0 |
| 423-297 | Elizabethton | Lumen (Level 3) | VoIP | 0 |
| 423-298 | Chattanooga | AT&T | Landline | 0 |
| 423-299 | Benton | Lumen (Level 3) | VoIP | 0 |
| 423-300 | Sneedville | Verizon Wireless | Wireless | 0 |
| 423-301 | South Pittsburg | Verizon Business | VoIP | 0 |
| 423-302 | Johnson City | Bandwidth | VoIP | 0 |
| 423-303 | Cleveland | Windstream (PAETEC) | VoIP | 0 |
| 423-304 | Chattanooga | AT&T Mobility | Wireless | 0 |
| 423-305 | Chattanooga | Comcast (Xfinity) | VoIP | 0 |
| 423-306 | Midway Sul | Verizon Wireless | Wireless | 0 |
| 423-307 | Morristown | Windstream (PAETEC) | VoIP | 0 |
| 423-308 | Chattanooga | Windstream (PAETEC) | VoIP | 0 |
| 423-309 | Chattanooga | Verizon Wireless | Wireless | 0 |
| 423-310 | Cleveland | AT&T Mobility | Wireless | 0 |
| 423-312 | Morristown | Verizon Wireless | Wireless | 0 |
| 423-313 | Chattanooga | T-Mobile | Wireless | 0 |
| 423-314 | Chattanooga | T-Mobile | Wireless | 0 |
| 423-315 | Chattanooga | AT&T Mobility | Wireless | 0 |
| 423-316 | Chattanooga | T-Mobile | Wireless | 0 |
| 423-317 | Morristown | AT&T | Landline | 0 |
| 423-318 | Morristown | AT&T | Landline | 0 |
| 423-319 | Huntsville | Highland Tel. Coop | Landline | 0 |
| 423-320 | Chattanooga | AT&T Mobility | Wireless | 0 |
| 423-321 | Chattanooga | AT&T | Landline | 0 |
| 423-322 | Chattanooga | Verizon Wireless | Wireless | 0 |
| 423-323 | Blountvl | Lumen (CenturyLink) | Landline | 0 |
| 423-324 | Petros | Highland Tel. Coop | Landline | 0 |
| 423-325 | Blountvl | Lumen (CenturyLink) | Landline | 0 |
| 423-326 | Chattanooga | AT&T | Landline | 0 |
| 423-327 | Bulls Gap | Verizon Wireless | Wireless | 0 |
| 423-328 | Johnson City | Comcast (Xfinity) | VoIP | 0 |
| 423-329 | Greeneville | AT&T Mobility | Wireless | 0 |
| 423-330 | Erwin | AT&T Mobility | Wireless | 0 |
| 423-331 | Cleveland | T-Mobile | Wireless | 0 |
| 423-332 | Soddy-Daisy | AT&T | Landline | 0 |
| 423-333 | Athens | T-Mobile | Wireless | 0 |
| 423-334 | Decatur | AT&T | Landline | 0 |
| 423-335 | Midway Sul | Verizon Wireless | Wireless | 0 |
| 423-336 | Charleston | AT&T | Landline | 0 |
| 423-337 | Sweetwater | AT&T | Landline | 0 |
| 423-338 | Benton | AT&T | Landline | 0 |
| 423-339 | Cleveland | AT&T | Landline | 0 |
| 423-340 | Bristol | T-Mobile | Wireless | 0 |
| 423-341 | Bristol | Verizon Wireless | Wireless | 0 |
| 423-342 | Elizabethton | AT&T Mobility | Wireless | 0 |
| 423-343 | Kingsport | Lumen (CenturyLink) | Landline | 0 |
| 423-344 | Chattanooga | AT&T | Landline | 0 |
| 423-345 | Surgoinsville | AT&T | Landline | 0 |
| 423-346 | Wartburg | Highland Tel. Coop | Landline | 0 |
| 423-347 | Rogersville | Bandwidth | VoIP | 0 |
| 423-348 | Lumen (CenturyLink) | Landline | 0 | |
| 423-349 | Lumen (CenturyLink) | Landline | 0 | |
| 423-350 | Bristol | Commio | VoIP | 0 |
| 423-351 | Sweetwater | AT&T | Landline | 0 |
| 423-352 | La Follette | Windstream (PAETEC) | VoIP | 0 |
| 423-353 | Morristown | Windstream (PAETEC) | VoIP | 0 |
| 423-354 | Blountvl | Lumen (CenturyLink) | Landline | 1 |
| 423-355 | Chattanooga | AT&T Mobility | Wireless | 0 |
| 423-356 | Chattanooga | AT&T Mobility | Wireless | 0 |
| 423-357 | Church Hill | Lumen (CenturyLink) | Landline | 0 |
| 423-358 | Rogersville | T-Mobile | Wireless | 0 |
| 423-359 | Greeneville | Lumen (CenturyLink) | Landline | 0 |
| 423-360 | Midway Sul | Verizon Wireless | Wireless | 0 |
| 423-361 | Midway Sul | Verizon Wireless | Wireless | 0 |
| 423-362 | Chattanooga | AT&T Mobility | Wireless | 0 |
| 423-363 | Huntsville | T-Mobile | Wireless | 0 |
| 423-364 | Chattanooga | AT&T Mobility | Wireless | 0 |
| 423-365 | Spring City | AT&T | Landline | 0 |
| 423-366 | Bristol | AT&T Mobility | Wireless | 0 |
| 423-367 | Kingsport | AT&T Mobility | Wireless | 0 |
| 423-368 | Athens | Verizon Wireless | Wireless | 0 |
| 423-369 | Oakdale | Highland Tel. Coop | Landline | 0 |
| 423-370 | Athens | Onvoy (Sinch) | VoIP | 0 |
| 423-371 | Sweetwater | T-Mobile | Wireless | 0 |
| 423-372 | Jellico | Lumen (Level 3) | VoIP | 0 |
| 423-373 | Bulls Gap | Onvoy (Sinch) | VoIP | 0 |
| 423-374 | La Follette | Onvoy (Sinch) | VoIP | 0 |
| 423-375 | Benton | AT&T Enterprises | Landline | 0 |
| 423-376 | Madisonville | Onvoy (Sinch) | VoIP | 0 |
| 423-377 | La Follette | UScellular | Wireless | 0 |
| 423-378 | Kingsport | Lumen (CenturyLink) | Landline | 0 |
| 423-379 | Newport | Onvoy (Sinch) | VoIP | 0 |
| 423-380 | Cleveland | Bandwidth | VoIP | 0 |
| 423-381 | Athens | T-Mobile | Wireless | 0 |
| 423-382 | Sneedville | Onvoy (Sinch) | VoIP | 0 |
| 423-383 | Bristol | T-Mobile | Wireless | 0 |
| 423-384 | T-Mobile | Wireless | 0 | |
| 423-385 | Chattanooga | Windstream (PAETEC) | VoIP | 0 |
| 423-386 | Chattanooga | AT&T | Landline | 0 |
| 423-387 | Bristol | AT&T Mobility | Wireless | 0 |
| 423-388 | Erwin | T-Mobile | Wireless | 0 |
| 423-389 | Midway Sul | Verizon Wireless | Wireless | 0 |
| 423-390 | Kingsport | Lumen (CenturyLink) | Landline | 0 |
| 423-391 | Bluff City | Lumen (CenturyLink) | Landline | 0 |
| 423-392 | Kingsport | Lumen (CenturyLink) | Landline | 0 |
| 423-393 | Bulls Gap | Charter IP Enabled Services | Landline | 0 |
| 423-394 | Chattanooga | AT&T Mobility | Wireless | 0 |
| 423-395 | Athens | T-Mobile | Wireless | 0 |
| 423-396 | Collegedale | Brightspeed of Southern... | Landline | 0 |
| 423-397 | Benton | Bandwidth | VoIP | 0 |
| 423-398 | Kingsport | T-Mobile | Wireless | 0 |
| 423-399 | Bandwidth | VoIP | 0 | |
| 423-400 | Chattanooga | T-Mobile | Wireless | 0 |
| 423-401 | Soddy-Daisy | Windstream (PAETEC) | VoIP | 0 |
| 423-402 | Chattanooga | Bandwidth | VoIP | 0 |
| 423-403 | South Pittsburg | Bandwidth | VoIP | 0 |
| 423-404 | Madisonville | AT&T Mobility | Wireless | 0 |
| 423-405 | Athens | T-Mobile | Wireless | 0 |
| 423-406 | Midway Sul | Comcast (Xfinity) | VoIP | 0 |
| 423-407 | Spring City | Twin Lakes Communications | Landline | 0 |
| 423-408 | Kingsport | AT&T | VoIP | 0 |
| 423-409 | Bulls Gap | Spok (paging) | Pager | 0 |
| 423-410 | Johnson City | Lumen (CenturyLink) | Landline | 0 |
| 423-412 | Johnson City | Spok (paging) | Pager | 0 |
| 423-413 | Chattanooga | Verizon Wireless | Wireless | 0 |
| 423-414 | Chattanooga | Peace Communications | Landline | 0 |
| 423-415 | Newport | Verizon Wireless | Wireless | 0 |
| 423-416 | Midway Sul | Verizon Wireless | Wireless | 0 |
| 423-417 | Chattanooga | Verizon Business | VoIP | 0 |
| 423-418 | Midway Sul | Verizon Wireless | Wireless | 0 |
| 423-419 | Cumberland Gap | Verizon Wireless | Wireless | 0 |
| 423-420 | Madisonville | AT&T | Landline | 0 |
| 423-421 | Chattanooga | T-Mobile (Metro) | Wireless | 0 |
| 423-422 | Mosheim | Lumen (CenturyLink) | Landline | 0 |
| 423-423 | Limestone | Charter IP Enabled Services | Landline | 0 |
| 423-424 | Chattanooga | Windstream (PAETEC) | VoIP | 0 |
| 423-425 | Chattanooga | AT&T | Landline | 0 |
| 423-426 | Limestone | Verizon Wireless | Wireless | 0 |
| 423-427 | Johnson City | Onvoy (Sinch) | VoIP | 0 |
| 423-428 | Dayton | Windstream (PAETEC) | VoIP | 0 |
| 423-429 | Kingsport | AT&T Mobility | Wireless | 0 |
| 423-430 | Johnson City | Nuso | Landline | 0 |
| 423-431 | Johnson City | Lumen (CenturyLink) | Landline | 0 |
| 423-432 | Chattanooga | T-Mobile | Wireless | 0 |
| 423-433 | Johnson City | Lumen (CenturyLink) | Landline | 0 |
| 423-434 | Johnson City | Lumen (CenturyLink) | Landline | 0 |
| 423-435 | Athens | Lumen (Level 3) | VoIP | 0 |
| 423-436 | Madisonville | Lumen (Level 3) | VoIP | 0 |
| 423-437 | La Follette | Lumen (Level 3) | VoIP | 0 |
| 423-438 | Morristown | Lumen (Level 3) | VoIP | 0 |
| 423-439 | Johnson City | Lumen (CenturyLink) | Landline | 0 |
| 423-440 | Elizabethton | Verizon Wireless | Wireless | 0 |
| 423-441 | Cumberland Gap | T-Mobile | Wireless | 0 |
| 423-442 | Madisonville | AT&T | Landline | 0 |
| 423-443 | Chattanooga | Lumen (Level 3) | VoIP | 0 |
| 423-444 | Limestone | Verizon Wireless | Wireless | 0 |
| 423-445 | Surgoinsville | AT&T Enterprises | Landline | 0 |
| 423-446 | Bandwidth | VoIP | 0 | |
| 423-447 | Pikeville | Bledsoe Tel. Coop | Landline | 0 |
| 423-448 | Pikeville | AT&T Mobility | Wireless | 0 |
| 423-449 | La Follette | Windstream (PAETEC) | VoIP | 0 |
| 423-450 | Mosheim | Comcast (Xfinity) | VoIP | 0 |
| 423-451 | Soddy-Daisy | AT&T | Landline | 0 |
| 423-452 | Spring City | AT&T | Landline | 0 |
| 423-453 | Athens | Lumen (Level 3) | VoIP | 0 |
| 423-454 | Decatur | Lumen (Level 3) | VoIP | 0 |
| 423-455 | Jellico | Lumen (Level 3) | VoIP | 1 |
| 423-456 | La Follette | Telnyx | VoIP | 0 |
| 423-457 | Cleveland | Verizon Wireless | Wireless | 0 |
| 423-458 | Cleveland | AT&T Mobility | Wireless | 1 |
| 423-459 | Chattanooga | AT&T | VoIP | 0 |
| 423-460 | Mountain City | Bandwidth | VoIP | 0 |
| 423-461 | Johnson City | Lumen (CenturyLink) | Landline | 0 |
| 423-462 | Riceville | Tellico Tel | Landline | 0 |
| 423-463 | Chattanooga | AT&T | Landline | 0 |
| 423-464 | Cleveland | T-Mobile | Wireless | 0 |
| 423-465 | Newport | AT&T Mobility | Wireless | 0 |
| 423-466 | Athens | T-Mobile | Wireless | 0 |
| 423-467 | Midway | Lumen (CenturyLink) | Landline | 0 |
| 423-468 | Chattanooga | Onvoy (Sinch) | VoIP | 0 |
| 423-469 | Newport | Spok (paging) | Pager | 0 |
| 423-470 | Greeneville | Verizon Wireless | Wireless | 0 |
| 423-471 | Mountain City | AT&T Mobility | Wireless | 0 |
| 423-472 | Cleveland | AT&T | Landline | 0 |
| 423-473 | Cleveland | AT&T | Landline | 0 |
| 423-474 | Stoney Crk | Lumen (CenturyLink) | Landline | 0 |
| 423-475 | Chattanooga | T-Mobile | Wireless | 0 |
| 423-476 | Cleveland | AT&T | Landline | 0 |
| 423-477 | Midway | Lumen (CenturyLink) | Landline | 0 |
| 423-478 | Cleveland | AT&T | Landline | 0 |
| 423-479 | Cleveland | AT&T | Landline | 0 |
| 423-480 | Kingsport | Verizon Wireless | Wireless | 0 |
| 423-481 | Roan Mt | Bandwidth | VoIP | 0 |
| 423-482 | Blountvl | Lumen (Level 3) | VoIP | 0 |
| 423-483 | Johnson City | Verizon Wireless | Wireless | 0 |
| 423-484 | Bristol | Lumen (Level 3) | VoIP | 0 |
| 423-485 | Chattanooga | AT&T | Landline | 0 |
| 423-486 | Chattanooga | Verizon Wireless | Wireless | 0 |
| 423-487 | Newport | AT&T | Landline | 0 |
| 423-488 | Chattanooga | AT&T Mobility | Wireless | 0 |
| 423-489 | Cumberland Gap | AT&T Mobility | Wireless | 0 |
| 423-490 | Chattanooga | AT&T | Landline | 0 |
| 423-491 | Johnson City | Lumen (CenturyLink) | Landline | 0 |
| 423-492 | Morristown | AT&T | Landline | 0 |
| 423-493 | Chattanooga | AT&T | Landline | 0 |
| 423-494 | La Follette | Verizon Wireless | Wireless | 0 |
| 423-495 | Chattanooga | AT&T | Landline | 0 |
| 423-496 | AT&T | Landline | 0 | |
| 423-497 | Chattanooga | T-Mobile (Metro) | Wireless | 0 |
| 423-498 | Chattanooga | Electric Power Board of... | Landline | 0 |
| 423-499 | Chattanooga | AT&T | Landline | 0 |
| 423-500 | Rogersville | Onvoy (Sinch) | VoIP | 0 |
| 423-501 | Mountain City | Skybest Communications | Landline | 0 |
| 423-502 | Midway Sul | Verizon Wireless | Wireless | 0 |
| 423-503 | Chattanooga | T-Mobile | Wireless | 0 |
| 423-504 | Chattanooga | T-Mobile | Wireless | 0 |
| 423-505 | Chattanooga | T-Mobile | Wireless | 0 |
| 423-506 | Athens | Verizon Wireless | Wireless | 0 |
| 423-507 | Athens | AT&T | Landline | 0 |
| 423-508 | Chattanooga | AT&T | VoIP | 0 |
| 423-509 | Chattanooga | Onvoy (Sinch) | VoIP | 0 |
| 423-510 | Chattanooga | AT&T | Landline | 0 |
| 423-512 | Stoney Crk | Verizon Wireless | Wireless | 0 |
| 423-513 | Vonore | AT&T | VoIP | 0 |
| 423-514 | Chattanooga | Spok (paging) | Pager | 0 |
| 423-515 | South Pittsburg | Onvoy (Sinch) | VoIP | 0 |
| 423-516 | Lumen (CenturyLink) | Landline | 0 | |
| 423-517 | Chattanooga | AT&T | Landline | 0 |
| 423-518 | Elizabethton | T-Mobile | Wireless | 0 |
| 423-519 | Tellico Plains | UScellular | Wireless | 0 |
| 423-520 | Madisonville | Windstream (PAETEC) | VoIP | 0 |
| 423-521 | Chattanooga | T-Mobile | Wireless | 0 |
| 423-522 | Morristown | AT&T | Landline | 0 |
| 423-523 | Bulls Gap | Verizon Wireless | Wireless | 0 |
| 423-524 | Johnson City | Nuso | Landline | 0 |
| 423-525 | Greeneville | Lumen (Level 3) | VoIP | 0 |
| 423-526 | New Tazewell | Brightspeed of Eastern Tennessee | Landline | 0 |
| 423-527 | Soddy-Daisy | Commio | VoIP | 0 |
| 423-528 | Baileyton | Bandwidth | VoIP | 0 |
| 423-529 | Windstream (PAETEC) | VoIP | 0 | |
| 423-530 | Kingsport | T-Mobile (Metro) | Wireless | 0 |
| 423-531 | Chattanooga | Electric Power Board of... | Landline | 0 |
| 423-532 | Newport | Windstream (PAETEC) | VoIP | 0 |
| 423-533 | Nine Mile | Bledsoe Tel. Coop | Landline | 0 |
| 423-534 | Bristol | Verizon Wireless | Wireless | 0 |
| 423-535 | Chattanooga | Verizon Business | VoIP | 0 |
| 423-536 | Sweetwater | Windstream (PAETEC) | VoIP | 0 |
| 423-537 | Bulls Gap | Windstream (PAETEC) | VoIP | 0 |
| 423-538 | Bluff City | Lumen (CenturyLink) | Landline | 0 |
| 423-539 | Oneida | AT&T Mobility | Wireless | 0 |
| 423-540 | Newport | Onvoy (Sinch) | VoIP | 0 |
| 423-541 | Chattanooga | Vonage | VoIP | 0 |
| 423-542 | Elizabethton | Lumen (CenturyLink) | Landline | 0 |
| 423-543 | Elizabethton | Lumen (CenturyLink) | Landline | 0 |
| 423-544 | Chattanooga | T-Mobile | Wireless | 0 |
| 423-545 | Madisonville | Lumen (Level 3) | VoIP | 0 |
| 423-546 | Bulls Gap | Lumen (Level 3) | VoIP | 0 |
| 423-547 | Elizabethton | Lumen (CenturyLink) | Landline | 0 |
| 423-548 | Etc Communications | Landline | 0 | |
| 423-549 | Johnson City | Vonage | VoIP | 0 |
| 423-550 | Midway | Bandwidth | VoIP | 1 |
| 423-551 | Chattanooga | Lumen (CenturyLink) | Landline | 0 |
| 423-552 | Greeneville | Verizon Wireless | Wireless | 0 |
| 423-553 | Chattanooga | AT&T | Landline | 0 |
| 423-554 | Bledsoe Tel. Coop | Landline | 0 | |
| 423-556 | Soddy-Daisy | Bandwidth | VoIP | 0 |
| 423-557 | Johnson City | T-Mobile | Wireless | 0 |
| 423-558 | Chattanooga | Onvoy (Sinch) | VoIP | 0 |
| 423-559 | Cleveland | AT&T | Landline | 0 |
| 423-560 | Erwin | Onvoy (Sinch) | VoIP | 0 |
| 423-561 | Sweetwater | Onvoy (Sinch) | VoIP | 0 |
| 423-562 | La Follette | AT&T | Landline | 0 |
| 423-563 | La Follette | AT&T | Landline | 0 |
| 423-564 | Rogersville | Verizon Wireless | Wireless | 0 |
| 423-565 | Decatur | Bandwidth | VoIP | 0 |
| 423-566 | La Follette | AT&T | Landline | 0 |
| 423-567 | Dayton | AT&T Mobility | Wireless | 0 |
| 423-568 | Niota | Tellico Tel | Landline | 0 |
| 423-569 | Oneida | Highland Tel. Coop | Landline | 0 |
| 423-570 | Dayton | AT&T | Landline | 0 |
| 423-571 | Midway Sul | Verizon Wireless | Wireless | 0 |
| 423-572 | Englewood | UScellular | Wireless | 0 |
| 423-573 | Bristol | Bristol Tennessee Essential... | Landline | 0 |
| 423-574 | Blountvl | Bristol Tennessee Essential... | Landline | 0 |
| 423-575 | Bluff City | Bristol Tennessee Essential... | Landline | 0 |
| 423-576 | Elizabethton | AT&T Mobility | Wireless | 0 |
| 423-577 | Oneida | AT&T Mobility | Wireless | 0 |
| 423-578 | Kingsport | Lumen (CenturyLink) | Landline | 0 |
| 423-579 | Kingsport | Mountainet Telephone | Landline | 0 |
| 423-580 | Chattanooga | AT&T Mobility | Wireless | 0 |
| 423-581 | Morristown | AT&T | Landline | 0 |
| 423-582 | Chattanooga | AT&T | Landline | 0 |
| 423-583 | Bandwidth | VoIP | 0 | |
| 423-584 | Cleveland | AT&T Mobility | Wireless | 0 |
| 423-585 | Morristown | AT&T | Landline | 0 |
| 423-586 | Morristown | AT&T | Landline | 0 |
| 423-587 | Morristown | AT&T | Landline | 0 |
| 423-588 | Greeneville | Verizon Wireless | Wireless | 0 |
| 423-589 | AT&T Mobility | Wireless | 0 | |
| 423-590 | South Pittsburg | Bandwidth | VoIP | 0 |
| 423-591 | Chattanooga | Onvoy (Sinch) | VoIP | 0 |
| 423-592 | La Follette | UScellular | Wireless | 0 |
| 423-593 | Chattanooga | T-Mobile | Wireless | 0 |
| 423-594 | Dayton | Onvoy (Sinch) | VoIP | 0 |
| 423-595 | Chattanooga | T-Mobile | Wireless | 0 |
| 423-596 | Chattanooga | AT&T Mobility | Wireless | 0 |
| 423-597 | Benton | Bandwidth | VoIP | 0 |
| 423-598 | Chattanooga | AT&T Mobility | Wireless | 0 |
| 423-599 | Cleveland | Verizon Wireless | Wireless | 0 |
| 423-600 | Apison | Comcast (Xfinity) | VoIP | 1 |
| 423-601 | Bulls Gap | AT&T | Landline | 0 |
| 423-602 | Chattanooga | Nuso | Landline | 0 |
| 423-603 | Fork Ridge | AT&T Enterprises | Landline | 0 |
| 423-604 | Etowah | Onvoy (Sinch) | VoIP | 1 |
| 423-605 | Chattanooga | Verizon Wireless | Wireless | 0 |
| 423-606 | Englewood | Comcast (Xfinity) | VoIP | 0 |
| 423-607 | Limestone | Verizon Wireless | Wireless | 0 |
| 423-608 | Newport | Verizon Wireless | Wireless | 0 |
| 423-609 | Greeneville | Verizon Wireless | Wireless | 0 |
| 423-610 | Johnson City | Lumen (CenturyLink) | Landline | 0 |
| 423-612 | Bristol | Verizon Wireless | Wireless | 0 |
| 423-613 | Newport | AT&T | Landline | 0 |
| 423-614 | Cleveland | AT&T | Landline | 0 |
| 423-615 | Collegedale | Comcast (Xfinity) | VoIP | 0 |
| 423-616 | Morristown | Onvoy (Sinch) | VoIP | 0 |
| 423-617 | Athens | T-Mobile | Wireless | 0 |
| 423-618 | Chattanooga | Verizon Wireless | Wireless | 0 |
| 423-619 | Chattanooga | Verizon Wireless | Wireless | 0 |
| 423-620 | Greeneville | Verizon Wireless | Wireless | 0 |
| 423-621 | Morristown | Verizon Wireless | Wireless | 0 |
| 423-622 | Chattanooga | AT&T | Landline | 0 |
| 423-623 | Newport | AT&T | Landline | 0 |
| 423-624 | Chattanooga | AT&T | Landline | 0 |
| 423-625 | Newport | AT&T | Landline | 0 |
| 423-626 | New Tazewell | Brightspeed of Eastern Tennessee | Landline | 0 |
| 423-627 | Robbins | Highland Tel. Coop | Landline | 0 |
| 423-628 | Sunbright | Highland Tel. Coop | Landline | 0 |
| 423-629 | Chattanooga | AT&T | Landline | 0 |
| 423-630 | Johnson City | Telescan | Landline | 0 |
| 423-631 | Johnson City | Charter IP Enabled Services | Landline | 0 |
| 423-632 | Wartburg | Twin Lakes Communications | Landline | 0 |
| 423-633 | Chattanooga | Telnyx | VoIP | 0 |
| 423-634 | Chattanooga | AT&T | Landline | 0 |
| 423-635 | Chattanooga | AT&T Mobility | Wireless | 0 |
| 423-636 | Greeneville | Lumen (CenturyLink) | Landline | 0 |
| 423-637 | Chattanooga | Verizon Wireless | Wireless | 0 |
| 423-638 | Greeneville | Lumen (CenturyLink) | Landline | 0 |
| 423-639 | Greeneville | Lumen (CenturyLink) | Landline | 0 |
| 423-640 | Sneedville | AT&T | Landline | 0 |
| 423-641 | Cleveland | Bandwidth | VoIP | 0 |
| 423-642 | Chattanooga | AT&T | Landline | 0 |
| 423-643 | Chattanooga | Electric Power Board of... | Landline | 0 |
| 423-644 | Soddy-Daisy | AT&T Mobility | Wireless | 0 |
| 423-645 | Chattanooga | AT&T Mobility | Wireless | 0 |
| 423-646 | Bristol | T-Mobile | Wireless | 0 |
| 423-647 | Butler | T-Mobile | Wireless | 0 |
| 423-648 | Chattanooga | Electric Power Board of... | Landline | 0 |
| 423-649 | Athens | AT&T | Landline | 0 |
| 423-650 | Cleveland | Verizon Wireless | Wireless | 0 |
| 423-651 | Jasper | Telnyx | VoIP | 0 |
| 423-652 | Bristol | Lumen (CenturyLink) | Landline | 0 |
| 423-653 | Chattanooga | AT&T Mobility | Wireless | 0 |
| 423-654 | Chattanooga | Csc Wireless | Wireless | 0 |
| 423-655 | Chattanooga | Spok (paging) | Pager | 0 |
| 423-656 | Johnson City | Csc Wireless | Wireless | 0 |
| 423-657 | Mosheim | Bandwidth | VoIP | 0 |
| 423-658 | Whitwell | AT&T | Landline | 0 |
| 423-659 | AT&T | VoIP | 0 | |
| 423-660 | Chattanooga | Twilio | VoIP | 0 |
| 423-661 | Chattanooga | Verizon Wireless | Wireless | 0 |
| 423-662 | Blountvl | Onvoy (Sinch) | VoIP | 0 |
| 423-663 | Huntsville | Highland Tel. Coop | Landline | 0 |
| 423-664 | Chattanooga | Lumen (Level 3) | VoIP | 0 |
| 423-665 | Charleston | Lumen (Level 3) | VoIP | 0 |
| 423-666 | Elizabethton | Onvoy (Sinch) | VoIP | 0 |
| 423-667 | Chattanooga | Verizon Wireless | Wireless | 0 |
| 423-668 | Chattanooga | AT&T | Landline | 0 |
| 423-669 | Benton | Onvoy (Sinch) | VoIP | 0 |
| 423-670 | Johnson City | IP Horizon | VoIP | 0 |
| 423-671 | Chattanooga | IP Horizon | VoIP | 0 |
| 423-672 | Johnson City | Telnyx | VoIP | 0 |
| 423-673 | Johnson City | Windstream (PAETEC) | VoIP | 0 |
| 423-674 | Dayton | Onvoy (Sinch) | VoIP | 0 |
| 423-675 | Jasper | Onvoy (Sinch) | VoIP | 0 |
| 423-676 | Johnson City | T-Mobile | Wireless | 0 |
| 423-677 | T-Mobile | Wireless | 0 | |
| 423-678 | Roan Mt | Onvoy (Sinch) | VoIP | 0 |
| 423-679 | Ooltewah | Onvoy (Sinch) | VoIP | 0 |
| 423-680 | Chattanooga | Verizon Wireless | Wireless | 0 |
| 423-681 | Chattanooga | Verizon Wireless | Wireless | 0 |
| 423-682 | Chattanooga | Verizon Wireless | Wireless | 0 |
| 423-683 | Pikeville | AT&T Mobility | Wireless | 0 |
| 423-684 | Kingsport | Bandwidth | VoIP | 0 |
| 423-685 | Bristol | AT&T Mobility | Wireless | 0 |
| 423-686 | Fork Ridge | Onvoy (Sinch) | VoIP | 0 |
| 423-687 | Pikeville | AT&T Mobility | Wireless | 0 |
| 423-688 | Sneedville | Telnyx | VoIP | 0 |
| 423-689 | Bristol | Bandwidth | VoIP | 0 |
| 423-690 | Morristown | Telnyx | VoIP | 0 |
| 423-691 | Athens | Onvoy (Sinch) | VoIP | 0 |
| 423-692 | Butler | Skybest Communications | Landline | 0 |
| 423-693 | Chattanooga | Lumen (Level 3) | VoIP | 0 |
| 423-694 | Sweetwater | T-Mobile | Wireless | 0 |
| 423-695 | Bristol | AT&T Mobility | Wireless | 0 |
| 423-696 | Rogersville | T-Mobile | Wireless | 0 |
| 423-697 | Chattanooga | AT&T | Landline | 0 |
| 423-698 | Chattanooga | AT&T | Landline | 0 |
| 423-699 | Cleveland | Verizon Wireless | Wireless | 0 |
| 423-701 | Robbins | UScellular | Wireless | 0 |
| 423-702 | Chattanooga | Lumen (Level 3) | VoIP | 0 |
| 423-703 | Onvoy (Sinch) | VoIP | 1 | |
| 423-704 | Chattanooga | AT&T Mobility | Wireless | 0 |
| 423-705 | Johnson City | Nuso | Landline | 0 |
| 423-706 | Bristol | AT&T Mobility | Wireless | 0 |
| 423-707 | Elizabethton | AT&T Mobility | Wireless | 0 |
| 423-708 | Chattanooga | T-Mobile (Metro) | Wireless | 0 |
| 423-709 | Cleveland | Windstream (PAETEC) | VoIP | 0 |
| 423-710 | Chattanooga | Comcast (Xfinity) | VoIP | 0 |
| 423-712 | Bluff City | Bandwidth | VoIP | 0 |
| 423-713 | Chattanooga | Comcast (Xfinity) | VoIP | 0 |
| 423-714 | Morristown | Windstream (PAETEC) | VoIP | 0 |
| 423-715 | Cleveland | Verizon Wireless | Wireless | 0 |
| 423-716 | Cleveland | Windstream (PAETEC) | VoIP | 0 |
| 423-717 | Athens | T-Mobile | Wireless | 0 |
| 423-718 | Chattanooga | Verizon Wireless | Wireless | 0 |
| 423-719 | Chattanooga | Nuso | Landline | 0 |
| 423-720 | Newport | Bandwidth | VoIP | 0 |
| 423-721 | Newport | UScellular | Wireless | 0 |
| 423-722 | Johnson City | Lumen (Level 3) | VoIP | 0 |
| 423-723 | Kingsport | Lumen (Level 3) | VoIP | 0 |
| 423-724 | Sneedville | Windstream (PAETEC) | VoIP | 0 |
| 423-725 | Hampton | Lumen (CenturyLink) | Landline | 0 |
| 423-726 | Midway Sul | Verizon Wireless | Wireless | 0 |
| 423-727 | Mountain City | Lumen (CenturyLink) | Landline | 0 |
| 423-728 | Cleveland | AT&T | Landline | 0 |
| 423-729 | Charter IP Enabled Services | Landline | 0 | |
| 423-730 | Riceville | Comcast (Xfinity) | VoIP | 0 |
| 423-731 | New Tazewell | Charter IP Enabled Services | Landline | 0 |
| 423-732 | Kingsport | Verizon Wireless | Wireless | 0 |
| 423-733 | Sneedville | AT&T | Landline | 0 |
| 423-734 | Rogersville | Onvoy (Sinch) | VoIP | 0 |
| 423-735 | Erwin | Lumen (CenturyLink) | Landline | 0 |
| 423-736 | Morristown | Verizon Wireless | Wireless | 0 |
| 423-737 | Johnson City | AT&T Mobility | Wireless | 0 |
| 423-738 | Bristol | AT&T Mobility | Wireless | 0 |
| 423-739 | Shady Vly | Skyline Tel. Membership | Landline | 0 |
| 423-740 | Cleveland | Verizon Wireless | Wireless | 0 |
| 423-741 | Johnson City | AT&T Mobility | Wireless | 0 |
| 423-742 | Bristol | Verizon Wireless | Wireless | 0 |
| 423-743 | Erwin | Lumen (CenturyLink) | Landline | 0 |
| 423-744 | Athens | AT&T | Landline | 0 |
| 423-745 | Athens | AT&T | Landline | 0 |
| 423-746 | Athens | AT&T | Landline | 0 |
| 423-747 | Johnson City | AT&T Mobility | Wireless | 0 |
| 423-748 | Morristown | AT&T Mobility | Wireless | 0 |
| 423-749 | Collegedale | T-Mobile (Metro) | Wireless | 0 |
| 423-750 | Chattanooga | Skyetel | Landline | 0 |
| 423-751 | Chattanooga | AT&T | Landline | 0 |
| 423-752 | Chattanooga | AT&T | Landline | 0 |
| 423-753 | Jonesborough | Lumen (CenturyLink) | Landline | 0 |
| 423-754 | Rogersville | Verizon Wireless | Wireless | 0 |
| 423-755 | Chattanooga | AT&T | Landline | 0 |
| 423-756 | Chattanooga | AT&T | Landline | 0 |
| 423-757 | Chattanooga | AT&T | Landline | 0 |
| 423-758 | Bristol | Windstream (PAETEC) | VoIP | 0 |
| 423-759 | Morristown | Onvoy (Sinch) | VoIP | 0 |
| 423-760 | Chattanooga | AT&T Mobility | Wireless | 0 |
| 423-761 | Lumen (Level 3) | VoIP | 0 | |
| 423-762 | Chattanooga | Verizon Wireless | Wireless | 0 |
| 423-763 | Chattanooga | AT&T | Landline | 0 |
| 423-764 | Bristol | Lumen (CenturyLink) | Landline | 0 |
| 423-765 | Kingsport | Charter IP Enabled Services | Landline | 0 |
| 423-766 | Limestone | Onvoy (Sinch) | VoIP | 0 |
| 423-767 | Johnson City | AT&T Mobility | Wireless | 0 |
| 423-768 | Butler | Lumen (CenturyLink) | Landline | 0 |
| 423-769 | Benton | Bandwidth | VoIP | 0 |
| 423-770 | Church Hill | Onvoy (Sinch) | VoIP | 0 |
| 423-771 | Chattanooga | AT&T Enterprises | Landline | 0 |
| 423-772 | Roan Mt | Lumen (CenturyLink) | Landline | 0 |
| 423-773 | Johnson City | T-Mobile | Wireless | 0 |
| 423-774 | Soddy-Daisy | AT&T Mobility | Wireless | 0 |
| 423-775 | Dayton | AT&T | Landline | 0 |
| 423-776 | Pikeville | AT&T Mobility | Wireless | 0 |
| 423-777 | Chattanooga | Onvoy (Sinch) | VoIP | 1 |
| 423-778 | Chattanooga | AT&T | Landline | 0 |
| 423-779 | Chattanooga | Windstream (PAETEC) | VoIP | 0 |
| 423-780 | Charleston | AT&T | Landline | 0 |
| 423-781 | Etowah | Lumen (Level 3) | VoIP | 0 |
| 423-782 | Kingsport | Windstream (PAETEC) | VoIP | 0 |
| 423-783 | Greeneville | Lumen (CenturyLink) | Landline | 0 |
| 423-784 | Jellico | AT&T | Landline | 0 |
| 423-785 | Chattanooga | AT&T | Landline | 0 |
| 423-786 | Bluff City | Onvoy (Sinch) | VoIP | 0 |
| 423-787 | Greeneville | Lumen (CenturyLink) | Landline | 0 |
| 423-788 | Jonesborough | Lumen (CenturyLink) | Landline | 0 |
| 423-789 | Bristol | Lumen (CenturyLink) | Landline | 0 |
| 423-790 | Cleveland | Charter IP Enabled Services | Landline | 0 |
| 423-791 | Johnson City | T-Mobile | Wireless | 0 |
| 423-792 | Oakdale | Boost Subscriberco | Landline | 0 |
| 423-793 | Bristol | Lumen (Level 3) | VoIP | 0 |
| 423-794 | Johnson City | Windstream (PAETEC) | VoIP | 0 |
| 423-795 | Johnson City | Spok (paging) | Pager | 0 |
| 423-796 | Johnson City | Boost Subscriberco | Landline | 0 |
| 423-797 | Bristol | Verizon Wireless | Wireless | 0 |
| 423-798 | Greeneville | Lumen (CenturyLink) | Landline | 0 |
| 423-799 | Spring City | Lumen (Level 3) | VoIP | 0 |
| 423-800 | Chattanooga | AT&T Mobility | Wireless | 0 |
| 423-801 | Cumberland Gap | UScellular | Wireless | 0 |
| 423-802 | Chattanooga | Verizon Wireless | Wireless | 0 |
| 423-803 | Chattanooga | Electric Power Board of... | Landline | 0 |
| 423-804 | Bristol | Bandwidth | VoIP | 0 |
| 423-805 | Chattanooga | Onvoy (Sinch) | VoIP | 0 |
| 423-806 | Midway | Bandwidth | VoIP | 0 |
| 423-807 | Madisonville | AT&T Mobility | Wireless | 0 |
| 423-808 | Tellico Plains | Comcast (Xfinity) | VoIP | 0 |
| 423-809 | Pikeville | Lumen (Level 3) | VoIP | 0 |
| 423-810 | Charleston | AT&T | VoIP | 0 |
| 423-812 | Greeneville | Bandwidth | VoIP | 0 |
| 423-813 | Cleveland | Verizon Wireless | Wireless | 0 |
| 423-814 | Sweetwater | Telnyx | VoIP | 0 |
| 423-815 | Whitwell | Comcast (Xfinity) | VoIP | 0 |
| 423-816 | Bristol | AT&T Mobility | Wireless | 0 |
| 423-817 | Kingsport | T-Mobile (Metro) | Wireless | 0 |
| 423-818 | Jellico | Onvoy (Sinch) | VoIP | 0 |
| 423-819 | Cleveland | Nuso | Landline | 0 |
| 423-820 | Greeneville | Onvoy (Sinch) | VoIP | 0 |
| 423-821 | Chattanooga | AT&T | Landline | 0 |
| 423-822 | Chattanooga | AT&T | Landline | 1 |
| 423-823 | Greeneville | T-Mobile | Wireless | 0 |
| 423-824 | Erwin | Onvoy (Sinch) | VoIP | 0 |
| 423-825 | Chattanooga | AT&T | Landline | 0 |
| 423-826 | Chattanooga | Windstream (PAETEC) | VoIP | 0 |
| 423-827 | Chattanooga | AT&T | Landline | 0 |
| 423-829 | Charleston | AT&T Mobility | Wireless | 0 |
| 423-830 | Kingsport | Onvoy (Sinch) | VoIP | 0 |
| 423-831 | Greeneville | Nuso | Landline | 0 |
| 423-832 | Ton80 Communications | VoIP | 0 | |
| 423-833 | Johnson City | T-Mobile | Wireless | 0 |
| 423-834 | Chattanooga | Lumen (Level 3) | VoIP | 0 |
| 423-835 | Bristol | AT&T Mobility | Wireless | 0 |
| 423-836 | Sweetwater | Verizon Wireless | Wireless | 0 |
| 423-837 | South Pittsburg | AT&T | Landline | 0 |
| 423-838 | Chattanooga | AT&T Mobility | Wireless | 0 |
| 423-839 | Morristown | Charter IP Enabled Services | Landline | 0 |
| 423-840 | Butler | Onvoy (Sinch) | VoIP | 0 |
| 423-841 | Mountain City | T-Mobile | Wireless | 0 |
| 423-842 | Chattanooga | AT&T | Landline | 0 |
| 423-843 | Chattanooga | AT&T | Landline | 0 |
| 423-844 | Bristol | Lumen (CenturyLink) | Landline | 0 |
| 423-845 | Bristol | Verizon Wireless | Wireless | 0 |
| 423-846 | Chattanooga | AT&T | Landline | 0 |
| 423-847 | Chattanooga | AT&T | Landline | 0 |
| 423-848 | Johnson City | Skyetel | Landline | 0 |
| 423-849 | Johnson City | AT&T Mobility | Wireless | 0 |
| 423-850 | Jonesborough | Onvoy (Sinch) | VoIP | 0 |
| 423-851 | New Tazewell | Brightspeed of Eastern Tennessee | Landline | 0 |
| 423-852 | Dunlap | Lumen (Level 3) | VoIP | 0 |
| 423-853 | Johnson City | Twilio | VoIP | 0 |
| 423-854 | Johnson City | Lumen (CenturyLink) | Landline | 0 |
| 423-855 | Chattanooga | AT&T | Landline | 0 |
| 423-856 | Athens | T-Mobile | Wireless | 0 |
| 423-857 | Kingsport | Lumen (CenturyLink) | Landline | 0 |
| 423-858 | Blountvl | Onvoy (Sinch) | VoIP | 0 |
| 423-859 | Rogersville | Onvoy (Sinch) | VoIP | 0 |
| 423-860 | Chattanooga | Commio | VoIP | 0 |
| 423-862 | Spring City | Onvoy (Sinch) | VoIP | 0 |
| 423-863 | Kingsport | Verizon Wireless | Wireless | 0 |
| 423-864 | Decatur | Onvoy (Sinch) | VoIP | 0 |
| 423-866 | Niota | Comcast (Xfinity) | VoIP | 0 |
| 423-867 | Chattanooga | AT&T | Landline | 0 |
| 423-868 | Mosheim | Onvoy (Sinch) | VoIP | 0 |
| 423-869 | Cumberland Gap | AT&T | Landline | 0 |
| 423-870 | Chattanooga | AT&T | Landline | 0 |
| 423-871 | La Follette | AT&T Mobility | Wireless | 0 |
| 423-872 | Chattanooga | Terra Nova Telecom | Landline | 0 |
| 423-873 | Stoney Crk | Fractel | VoIP | 0 |
| 423-874 | Chattanooga | AT&T | Landline | 0 |
| 423-875 | Chattanooga | AT&T | Landline | 0 |
| 423-876 | Chattanooga | AT&T | Landline | 0 |
| 423-877 | Chattanooga | AT&T | Landline | 0 |
| 423-878 | Bristol | Lumen (CenturyLink) | Landline | 0 |
| 423-879 | Onvoy (Sinch) | VoIP | 0 | |
| 423-880 | Johnson City | Onvoy (Sinch) | VoIP | 0 |
| 423-881 | Bledsoe Tel. Coop | Landline | 0 | |
| 423-882 | Chattanooga | AT&T | Landline | 0 |
| 423-883 | Chattanooga | AT&T | Landline | 0 |
| 423-884 | Vonore | Tellico Tel | Landline | 0 |
| 423-885 | Englewood | Onvoy (Sinch) | VoIP | 0 |
| 423-886 | Chattanooga | AT&T | Landline | 0 |
| 423-887 | Englewood | Tellico Tel | Landline | 0 |
| 423-888 | Chattanooga | Onvoy (Sinch) | VoIP | 0 |
| 423-889 | Cleveland | T-Mobile | Wireless | 0 |
| 423-890 | Bristol | AT&T Mobility | Wireless | 0 |
| 423-892 | Chattanooga | AT&T | Landline | 0 |
| 423-893 | Chattanooga | AT&T | Landline | 0 |
| 423-894 | Chattanooga | AT&T | Landline | 0 |
| 423-895 | Elizabethton | T-Mobile | Wireless | 0 |
| 423-896 | Hampton | Lumen (CenturyLink) | Landline | 0 |
| 423-897 | Lumen (CenturyLink) | Landline | 0 | |
| 423-898 | Charleston | T-Mobile | Wireless | 0 |
| 423-899 | Chattanooga | AT&T | Landline | 0 |
| 423-900 | Johnson City | Onvoy (Sinch) | VoIP | 0 |
| 423-902 | Chattanooga | AT&T Mobility | Wireless | 0 |
| 423-903 | Chattanooga | AT&T Mobility | Wireless | 0 |
| 423-904 | Chattanooga | Onvoy (Sinch) | VoIP | 0 |
| 423-905 | Johnson City | Onvoy (Sinch) | VoIP | 0 |
| 423-906 | Johnson City | Callworks | Landline | 0 |
| 423-907 | La Follette | AT&T | Landline | 0 |
| 423-908 | Surgoinsville | Commio | VoIP | 0 |
| 423-909 | South Pittsburg | Onvoy (Sinch) | VoIP | 0 |
| 423-910 | Ooltewah | Comcast (Xfinity) | VoIP | 0 |
| 423-912 | La Follette | AT&T Mobility | Wireless | 0 |
| 423-913 | Jonesborough | Lumen (CenturyLink) | Landline | 0 |
| 423-914 | Bristol | Verizon Wireless | Wireless | 0 |
| 423-915 | Johnson City | Lumen (CenturyLink) | Landline | 0 |
| 423-917 | Blountvl | Lumen (CenturyLink) | Landline | 0 |
| 423-918 | Oneida | AT&T Mobility | Wireless | 0 |
| 423-919 | New Tazewell | Onvoy (Sinch) | VoIP | 0 |
| 423-920 | Athens | AT&T Mobility | Wireless | 0 |
| 423-921 | Rogersville | AT&T | Landline | 0 |
| 423-922 | Baileyton | Fractel | VoIP | 0 |
| 423-923 | Rogersville | AT&T Mobility | Wireless | 0 |
| 423-924 | Johnson City | Peerless Network | VoIP | 0 |
| 423-925 | La Follette | Ton80 Communications | VoIP | 0 |
| 423-926 | Johnson City | Lumen (CenturyLink) | Landline | 0 |
| 423-927 | Morristown | Ton80 Communications | VoIP | 0 |
| 423-928 | Johnson City | Lumen (CenturyLink) | Landline | 0 |
| 423-929 | Johnson City | Lumen (CenturyLink) | Landline | 0 |
| 423-930 | Johnson City | Mountainet Telephone | Landline | 0 |
| 423-932 | Etowah | Ton80 Communications | VoIP | 0 |
| 423-933 | Chattanooga | Windstream (PAETEC) | VoIP | 0 |
| 423-934 | Surgoinsville | Ton80 Communications | VoIP | 0 |
| 423-936 | Sunbright | Comcast (Xfinity) | VoIP | 0 |
| 423-938 | Johnson City | Lumen (CenturyLink) | Landline | 0 |
| 423-939 | Jasper | Windstream (PAETEC) | VoIP | 0 |
| 423-940 | Dayton | Commio | VoIP | 0 |
| 423-941 | Decherd | Comcast (Xfinity) | VoIP | 0 |
| 423-942 | Jasper | AT&T | Landline | 0 |
| 423-943 | Johnson City | T-Mobile | Wireless | 0 |
| 423-944 | Scott County Tel. Coop | Landline | 0 | |
| 423-945 | Charter IP Enabled Services | Landline | 0 | |
| 423-946 | Johnson City | T-Mobile | Wireless | 0 |
| 423-948 | Limestone | T-Mobile | Wireless | 0 |
| 423-949 | Dunlap | Bledsoe Tel. Coop | Landline | 0 |
| 423-951 | Charleston | T-Mobile | Wireless | 0 |
| 423-952 | Johnson City | Lumen (CenturyLink) | Landline | 0 |
| 423-953 | Johnson City | Lumen (CenturyLink) | Landline | 0 |
| 423-954 | Chattanooga | AT&T | Landline | 0 |
| 423-955 | Whitwell | Fractel | VoIP | 0 |
| 423-956 | Bristol | Verizon Wireless | Wireless | 0 |
| 423-957 | Hampton | T-Mobile | Wireless | 0 |
| 423-960 | Chattanooga | Peerless Network | VoIP | 1 |
| 423-961 | AT&T | Landline | 0 | |
| 423-963 | Kingsport | T-Mobile (Metro) | Wireless | 0 |
| 423-965 | Decherd | Highland Tel. Coop | Landline | 0 |
| 423-966 | Ball Play | Fractel | VoIP | 0 |
| 423-967 | Kingsport | T-Mobile (Metro) | Wireless | 0 |
| 423-968 | Bristol | Lumen (CenturyLink) | Landline | 0 |
| 423-969 | Cleveland | Verizon Wireless | Wireless | 0 |
| 423-972 | Greeneville | T-Mobile | Wireless | 0 |
| 423-973 | Sneedville | Lumen (Level 3) | VoIP | 0 |
| 423-975 | Johnson City | Lumen (CenturyLink) | Landline | 0 |
| 423-977 | Chattanooga | Fractel | VoIP | 0 |
| 423-978 | Chattanooga | Wavenation | Landline | 0 |
| 423-979 | Johnson City | Lumen (CenturyLink) | Landline | 0 |
| 423-980 | Chattanooga | Onvoy (Sinch) | VoIP | 0 |
| 423-981 | Johnson City | Wavenation | Landline | 0 |
| 423-987 | Chattanooga | AT&T Mobility | Wireless | 0 |
| 423-989 | Bristol | Lumen (CenturyLink) | Landline | 0 |
| 423-990 | Bristol | Lumen (CenturyLink) | Landline | 0 |
| 423-991 | Chattanooga | AT&T Mobility | Wireless | 0 |
| 423-992 | Bristol | Terra Nova Telecom | Landline | 0 |
| 423-993 | Chattanooga | Hd Carrier | Landline | 0 |
| 423-994 | Chattanooga | AT&T Mobility | Wireless | 0 |
| 423-995 | Johnson City | Hd Carrier | Landline | 0 |
| 423-996 | Charleston | T-Mobile | Wireless | 0 |
| 423-997 | Elizabethton | Bandwidth | VoIP | 0 |
| 423-998 | Jellico | Commio | VoIP | 0 |
| 423-999 | Athens | T-Mobile | Wireless | 0 |
Area code 423 questions
Where is area code 423?
Area code 423 is in Tennessee. Its biggest rate centers are Chattanooga, Johnson City, Bristol, Cleveland, Kingsport.
What time zone is area code 423?
Area code 423 is in the Eastern and Central time zone.
Is a call from area code 423 a scam?
An area code alone can't tell you. Scammers use and spoof numbers in every area code. 10 423 numbers have been flagged on ShadyCall. Look up the full number to see its reports and FTC/FCC complaints.
What carriers use area code 423?
Of its 764 exchanges, the most were assigned to AT&T, Lumen (CenturyLink), AT&T Mobility. Numbers can be ported to any carrier, so the exchange shows the original carrier only.
What area codes overlay 423?
423 shares its area with 729. In an overlay, new numbers get the newer codes and you dial all ten digits.