Maryland
Area code 410
Area code 410 covers Baltimore, Towson, Annapolis, Catonsvl, Salisbury and more in Maryland, in the Eastern time zone. It has been in service since 1991. It shares its area with 443, 667 (an overlay).
Most reported 410 numbers
Carriers in 410
Line types
Counted over the exchanges, from the carrier each was assigned to.
Cities in area code 410
Every 410 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 |
|---|---|---|---|---|
| 410-200 | Easton | Verizon Business | VoIP | 0 |
| 410-202 | Salisbury | Verizon Wireless | Wireless | 1 |
| 410-203 | Verizon | Landline | 0 | |
| 410-204 | Arbutus | Verizon | Landline | 0 |
| 410-205 | AT&T Mobility | Wireless | 0 | |
| 410-206 | Catonsvl | AT&T Mobility | Wireless | 0 |
| 410-207 | Baltimore | Verizon Wireless | Wireless | 0 |
| 410-208 | Berlin | Verizon | Landline | 1 |
| 410-209 | Baltimore | Verizon | Landline | 0 |
| 410-210 | Verizon Wireless | Wireless | 0 | |
| 410-212 | Annapolis | T-Mobile | Wireless | 0 |
| 410-213 | Ocean City | Verizon | Landline | 0 |
| 410-214 | Rising Sun | Core Communications | Landline | 0 |
| 410-215 | Baltimore | Verizon Wireless | Wireless | 0 |
| 410-216 | Annapolis | Verizon | Landline | 1 |
| 410-217 | Baltimore | Verizon | Landline | 0 |
| 410-218 | Baltimore | Verizon Wireless | Wireless | 0 |
| 410-219 | Salisbury | Verizon | Landline | 0 |
| 410-220 | Elkridge | T-Mobile (Metro) | Wireless | 1 |
| 410-221 | Cambridge | Verizon | Landline | 0 |
| 410-222 | Severn | Verizon | Landline | 0 |
| 410-223 | Baltimore | Verizon | Landline | 0 |
| 410-224 | Annapolis | Verizon | Landline | 0 |
| 410-225 | Baltimore | Verizon | Landline | 0 |
| 410-226 | Oxford | Verizon | Landline | 0 |
| 410-227 | Catonsvl | AT&T Mobility | Wireless | 0 |
| 410-228 | Cambridge | Verizon | Landline | 0 |
| 410-229 | Cockeysvl | Verizon | Landline | 0 |
| 410-230 | Baltimore | Verizon | Landline | 0 |
| 410-231 | Solomons | AT&T Mobility | Wireless | 0 |
| 410-232 | Baltimore | Spok (paging) | Pager | 0 |
| 410-233 | Baltimore | Verizon | Landline | 0 |
| 410-234 | Baltimore | Verizon | Landline | 0 |
| 410-235 | Baltimore | Verizon | Landline | 0 |
| 410-236 | Towson | AT&T Mobility | Wireless | 0 |
| 410-237 | Baltimore | Verizon | Landline | 0 |
| 410-238 | Essex | Verizon | Landline | 0 |
| 410-239 | Verizon | Landline | 0 | |
| 410-240 | Baltimore | T-Mobile | Wireless | 0 |
| 410-241 | Baltimore | Verizon Wireless | Wireless | 0 |
| 410-242 | Arbutus | Verizon | Landline | 0 |
| 410-243 | Baltimore | Verizon | Landline | 0 |
| 410-244 | Baltimore | Verizon | Landline | 0 |
| 410-245 | Catonsvl | AT&T Mobility | Wireless | 0 |
| 410-246 | Baltimore | Verizon Business | VoIP | 0 |
| 410-247 | Arbutus | Verizon | Landline | 0 |
| 410-248 | Parkville | Verizon | Landline | 0 |
| 410-249 | Towson | Verizon | Landline | 0 |
| 410-250 | Ocean City | Verizon | Landline | 0 |
| 410-251 | Salisbury | Verizon Wireless | Wireless | 0 |
| 410-252 | Towson | Verizon | Landline | 0 |
| 410-253 | Easton | AT&T Mobility | Wireless | 0 |
| 410-254 | Baltimore | Verizon | Landline | 0 |
| 410-255 | Verizon | Landline | 0 | |
| 410-256 | Parkville | Verizon | Landline | 0 |
| 410-257 | North Beach | Verizon | Landline | 0 |
| 410-258 | Baltimore | T-Mobile | Wireless | 0 |
| 410-259 | Westminster | Verizon Wireless | Wireless | 0 |
| 410-260 | Severna Pk | Verizon | Landline | 0 |
| 410-261 | Baltimore | Verizon | Landline | 0 |
| 410-262 | Baltimore | T-Mobile | Wireless | 0 |
| 410-263 | Annapolis | Verizon | Landline | 0 |
| 410-264 | Verizon | Landline | 0 | |
| 410-265 | Woodlawn | Verizon | Landline | 0 |
| 410-266 | Annapolis | Verizon | Landline | 0 |
| 410-267 | Annapolis | Verizon | Landline | 0 |
| 410-268 | Annapolis | Verizon | Landline | 0 |
| 410-269 | Severna Pk | Verizon | Landline | 0 |
| 410-270 | Salisbury | Redi-Call Communications | Landline | 0 |
| 410-271 | Annapolis | Verizon Wireless | Wireless | 0 |
| 410-272 | Aberdeen | Verizon | Landline | 0 |
| 410-273 | Aberdeen | Verizon | Landline | 0 |
| 410-274 | Baltimore | Verizon Wireless | Wireless | 0 |
| 410-275 | Cecilton | Verizon | Landline | 0 |
| 410-276 | Baltimore | Verizon | Landline | 0 |
| 410-277 | Woodlawn | Verizon | Landline | 0 |
| 410-278 | Aberdeen | Verizon | Landline | 0 |
| 410-279 | Annapolis | Verizon Wireless | Wireless | 0 |
| 410-280 | Annapolis | Verizon | Landline | 0 |
| 410-281 | Woodlawn | Verizon | Landline | 0 |
| 410-282 | Dundalk | Verizon | Landline | 0 |
| 410-283 | Towson | Spok (paging) | Pager | 0 |
| 410-284 | Dundalk | Verizon | Landline | 0 |
| 410-285 | Dundalk | Verizon | Landline | 0 |
| 410-286 | North Beach | Verizon | Landline | 0 |
| 410-287 | North East | Verizon | Landline | 0 |
| 410-288 | Dundalk | Verizon | Landline | 0 |
| 410-289 | Ocean City | Verizon | Landline | 0 |
| 410-290 | Columbia | Verizon | Landline | 0 |
| 410-291 | Baltimore | Verizon | Landline | 0 |
| 410-292 | Catonsvl | AT&T Mobility | Wireless | 0 |
| 410-293 | Annapolis | Windstream (PAETEC) | VoIP | 0 |
| 410-294 | Catonsvl | AT&T Mobility | Wireless | 0 |
| 410-295 | Annapolis | Verizon | Landline | 0 |
| 410-296 | Towson | Verizon | Landline | 0 |
| 410-297 | Aberdeen | Verizon | Landline | 0 |
| 410-298 | Woodlawn | Verizon | Landline | 0 |
| 410-299 | Baltimore | Verizon Wireless | Wireless | 0 |
| 410-300 | Elkridge | T-Mobile (Metro) | Wireless | 0 |
| 410-301 | Baltimore | T-Mobile | Wireless | 0 |
| 410-302 | Catonsvl | AT&T Mobility | Wireless | 0 |
| 410-303 | Baltimore | Verizon Wireless | Wireless | 0 |
| 410-304 | Queenstown | Idt America | Landline | 0 |
| 410-305 | Odenton | Verizon | Landline | 0 |
| 410-306 | Aberdeen | Verizon | Landline | 0 |
| 410-307 | Towson | Verizon | Landline | 0 |
| 410-308 | Towson | Verizon | Landline | 0 |
| 410-309 | Columbia | Verizon | Landline | 0 |
| 410-310 | Easton | Verizon Wireless | Wireless | 0 |
| 410-312 | Columbia | Verizon | Landline | 0 |
| 410-313 | Verizon | Landline | 0 | |
| 410-314 | Arbutus | Verizon Business | VoIP | 0 |
| 410-315 | Severna Pk | Verizon | Landline | 0 |
| 410-316 | Cockeysvl | Verizon | Landline | 0 |
| 410-317 | Verizon Business | VoIP | 0 | |
| 410-318 | Baltimore | Verizon | Landline | 0 |
| 410-319 | Baltimore | Verizon | Landline | 0 |
| 410-320 | Annapolis | T-Mobile | Wireless | 0 |
| 410-321 | Towson | Verizon | Landline | 0 |
| 410-322 | Bel Air | AT&T Mobility | Wireless | 0 |
| 410-323 | Baltimore | Verizon | Landline | 0 |
| 410-324 | Towson | Verizon | Landline | 0 |
| 410-325 | Baltimore | Verizon | Landline | 0 |
| 410-326 | Solomons | Verizon | Landline | 0 |
| 410-327 | Baltimore | Verizon | Landline | 0 |
| 410-328 | Baltimore | Verizon | Landline | 0 |
| 410-329 | Cockeysvl | Verizon | Landline | 0 |
| 410-330 | Cambridge | AT&T Mobility | Wireless | 0 |
| 410-331 | Elkridge | Spok (paging) | Pager | 0 |
| 410-332 | Baltimore | Verizon | Landline | 0 |
| 410-333 | Baltimore | Verizon | Landline | 0 |
| 410-334 | Salisbury | Verizon | Landline | 0 |
| 410-335 | Chevy Chase | Verizon | Landline | 0 |
| 410-336 | Baltimore | AT&T Mobility | Wireless | 0 |
| 410-337 | Towson | Verizon | Landline | 0 |
| 410-338 | Baltimore | Verizon | Landline | 0 |
| 410-339 | Towson | Verizon | Landline | 0 |
| 410-340 | Baltimore | AT&T Mobility | Wireless | 0 |
| 410-341 | Salisbury | Verizon | Landline | 0 |
| 410-342 | Baltimore | Verizon | Landline | 0 |
| 410-343 | Verizon | Landline | 0 | |
| 410-344 | Chevy Chase | Verizon | Landline | 0 |
| 410-345 | Verizon | Landline | 0 | |
| 410-346 | Silver Run | Verizon | Landline | 0 |
| 410-347 | Baltimore | Verizon | Landline | 0 |
| 410-348 | Still Pond | Verizon | Landline | 0 |
| 410-349 | Annapolis | Verizon | Landline | 0 |
| 410-350 | Baltimore | Verizon | Landline | 0 |
| 410-351 | Baltimore | Spok (paging) | Pager | 0 |
| 410-352 | Bishopvl | Verizon | Landline | 0 |
| 410-353 | Annapolis | Verizon Wireless | Wireless | 0 |
| 410-354 | Baltimore | Verizon | Landline | 0 |
| 410-355 | Baltimore | Verizon | Landline | 0 |
| 410-356 | Verizon | Landline | 0 | |
| 410-357 | Parkton | Verizon | Landline | 0 |
| 410-358 | Baltimore | Verizon | Landline | 0 |
| 410-359 | Baltimore | Verizon | Landline | 0 |
| 410-360 | Verizon | Landline | 0 | |
| 410-361 | Baltimore | Verizon | Landline | 0 |
| 410-362 | Baltimore | Verizon | Landline | 0 |
| 410-363 | Verizon | Landline | 0 | |
| 410-364 | Hillsboro | Verizon | Landline | 0 |
| 410-365 | Baltimore | T-Mobile | Wireless | 0 |
| 410-366 | Baltimore | Verizon | Landline | 0 |
| 410-367 | Baltimore | Verizon | Landline | 0 |
| 410-368 | Baltimore | Verizon | Landline | 0 |
| 410-369 | Baltimore | Lumen (Level 3) | VoIP | 0 |
| 410-370 | Catonsvl | AT&T Mobility | Wireless | 0 |
| 410-371 | Baltimore | Verizon Wireless | Wireless | 0 |
| 410-372 | Towson | Verizon | Landline | 0 |
| 410-373 | Towson | Spok (paging) | Pager | 0 |
| 410-374 | Hampstead | Verizon | Landline | 0 |
| 410-375 | Baltimore | Verizon Wireless | Wireless | 0 |
| 410-376 | Vienna | Verizon | Landline | 0 |
| 410-377 | Towson | Verizon | Landline | 0 |
| 410-378 | Port Deposit | Verizon | Landline | 0 |
| 410-379 | Elkridge | Verizon | Landline | 0 |
| 410-380 | Salisbury | Redi-Call Communications | Landline | 0 |
| 410-381 | Columbia | Verizon | Landline | 0 |
| 410-382 | Baltimore | Verizon Wireless | Wireless | 0 |
| 410-383 | Baltimore | Verizon | Landline | 0 |
| 410-384 | Severna Pk | Verizon | Landline | 0 |
| 410-385 | Baltimore | Verizon | Landline | 0 |
| 410-386 | Westminster | Verizon | Landline | 0 |
| 410-387 | Baltimore | Windstream (PAETEC) | VoIP | 0 |
| 410-388 | Verizon | Landline | 0 | |
| 410-389 | Baltimore | Spok (paging) | Pager | 0 |
| 410-390 | Ocean City | AT&T | VoIP | 0 |
| 410-391 | Essex | Verizon | Landline | 0 |
| 410-392 | Elkton | Verizon | Landline | 0 |
| 410-393 | Baltimore | Verizon | Landline | 0 |
| 410-394 | Solomons | Verizon | Landline | 0 |
| 410-395 | Arbutus | Verizon | Landline | 0 |
| 410-396 | Baltimore | Verizon | Landline | 0 |
| 410-397 | Wingate | Verizon | Landline | 0 |
| 410-398 | Elkton | Verizon | Landline | 0 |
| 410-399 | Bel Air | Verizon | Landline | 0 |
| 410-400 | Baltimore | Windstream (PAETEC) | VoIP | 0 |
| 410-401 | Verizon Business | VoIP | 0 | |
| 410-402 | Catonsvl | Verizon Business | VoIP | 0 |
| 410-403 | Cockeysvl | Verizon Business | VoIP | 0 |
| 410-404 | Baltimore | Verizon Wireless | Wireless | 0 |
| 410-405 | Fork | Verizon | Landline | 0 |
| 410-406 | Essex | Verizon Business | VoIP | 0 |
| 410-407 | Elkridge | Verizon | Landline | 0 |
| 410-408 | Towson | Spok (paging) | Pager | 0 |
| 410-409 | Baltimore | Verizon Wireless | Wireless | 0 |
| 410-410 | Baltimore | Onvoy (Sinch) | VoIP | 0 |
| 410-412 | Verizon Business | VoIP | 0 | |
| 410-413 | Verizon Business | VoIP | 0 | |
| 410-414 | Verizon | Landline | 0 | |
| 410-415 | Verizon | Landline | 0 | |
| 410-416 | American Messaging Services | Landline | 0 | |
| 410-417 | Edgewood | Verizon | Landline | 0 |
| 410-418 | Verizon | Landline | 0 | |
| 410-419 | Baltimore | T-Mobile | Wireless | 0 |
| 410-420 | Bel Air | Verizon | Landline | 0 |
| 410-421 | Severna Pk | Verizon | Landline | 0 |
| 410-422 | Salisbury | AT&T Mobility | Wireless | 0 |
| 410-423 | Columbia | AT&T | VoIP | 0 |
| 410-424 | Verizon | Landline | 0 | |
| 410-425 | Smithsburg | Verizon | Landline | 0 |
| 410-426 | Baltimore | Verizon | Landline | 0 |
| 410-427 | Towson | AT&T | VoIP | 0 |
| 410-428 | Catonsvl | AT&T Mobility | Wireless | 0 |
| 410-429 | Verizon | Landline | 0 | |
| 410-430 | Salisbury | Verizon Wireless | Wireless | 0 |
| 410-431 | Severna Pk | Verizon | Landline | 0 |
| 410-432 | Severna Pk | Verizon | Landline | 0 |
| 410-433 | Baltimore | Verizon | Landline | 0 |
| 410-434 | Towson | Spok (paging) | Pager | 0 |
| 410-435 | Baltimore | Verizon | Landline | 0 |
| 410-436 | Edgewood | Verizon | Landline | 0 |
| 410-437 | Verizon | Landline | 0 | |
| 410-438 | Sudlersville | Verizon | Landline | 0 |
| 410-439 | Verizon | Landline | 0 | |
| 410-440 | Catonsvl | AT&T Mobility | Wireless | 0 |
| 410-441 | Elkton | AT&T Mobility | Wireless | 0 |
| 410-442 | Verizon | Landline | 0 | |
| 410-443 | Easton | Lumen (Level 3) | VoIP | 0 |
| 410-444 | Baltimore | Verizon | Landline | 0 |
| 410-445 | Baltimore | Spok (paging) | Pager | 0 |
| 410-446 | Catonsvl | AT&T Mobility | Wireless | 0 |
| 410-447 | Columbia | Spok (paging) | Pager | 0 |
| 410-448 | Baltimore | Verizon | Landline | 0 |
| 410-449 | Solomons | Bandwidth | VoIP | 0 |
| 410-450 | Baltimore | Verizon | Landline | 0 |
| 410-451 | Crofton | Verizon | Landline | 0 |
| 410-452 | Cardiff | Verizon | Landline | 0 |
| 410-453 | Towson | Verizon | Landline | 0 |
| 410-454 | Baltimore | Verizon Business | VoIP | 0 |
| 410-455 | Catonsvl | Verizon | Landline | 0 |
| 410-456 | Baltimore | Verizon Wireless | Wireless | 0 |
| 410-457 | Verizon | Landline | 0 | |
| 410-458 | Baltimore | Verizon Wireless | Wireless | 0 |
| 410-459 | Fallston | Verizon Wireless | Wireless | 0 |
| 410-460 | Elkridge | Spok (paging) | Pager | 0 |
| 410-461 | Verizon | Landline | 0 | |
| 410-462 | Baltimore | Verizon | Landline | 0 |
| 410-463 | Trappe | Verizon Wireless | Wireless | 0 |
| 410-464 | Baltimore | Verizon | Landline | 0 |
| 410-465 | Verizon | Landline | 0 | |
| 410-466 | Baltimore | Verizon | Landline | 0 |
| 410-467 | Baltimore | Verizon | Landline | 0 |
| 410-468 | Baltimore | Verizon | Landline | 0 |
| 410-469 | Baltimore | Verizon | Landline | 0 |
| 410-470 | Baltimore | Verizon | Landline | 0 |
| 410-471 | Elkridge | Verizon | Landline | 0 |
| 410-472 | Verizon | Landline | 0 | |
| 410-473 | Towson | Spok (paging) | Pager | 0 |
| 410-474 | Verizon Wireless | Wireless | 0 | |
| 410-475 | Towson | Spok (paging) | Pager | 0 |
| 410-476 | Trappe | Verizon | Landline | 0 |
| 410-477 | Verizon | Landline | 0 | |
| 410-478 | Baltimore | AT&T Mobility | Wireless | 0 |
| 410-479 | Denton | Verizon | Landline | 0 |
| 410-480 | Verizon | Landline | 0 | |
| 410-482 | Greensboro | Verizon | Landline | 0 |
| 410-483 | Baltimore | Verizon | Landline | 0 |
| 410-484 | Verizon | Landline | 0 | |
| 410-485 | Baltimore | Verizon | Landline | 0 |
| 410-486 | Verizon | Landline | 0 | |
| 410-487 | Verizon Business | VoIP | 0 | |
| 410-488 | Baltimore | Verizon | Landline | 0 |
| 410-489 | Glenwood | Verizon | Landline | 0 |
| 410-490 | Centreville | Verizon Wireless | Wireless | 0 |
| 410-491 | Catonsvl | AT&T Mobility | Wireless | 0 |
| 410-492 | Towson | Spok (paging) | Pager | 0 |
| 410-493 | Baltimore | T-Mobile | Wireless | 0 |
| 410-494 | Towson | Verizon | Landline | 0 |
| 410-495 | Verizon | Landline | 0 | |
| 410-496 | Verizon | Landline | 0 | |
| 410-497 | Parkville | Comcast (Xfinity) | VoIP | 0 |
| 410-498 | Cockeysvl | Windstream (PAETEC) | VoIP | 1 |
| 410-499 | Baltimore | T-Mobile | Wireless | 0 |
| 410-500 | Baltimore | T-Mobile | Wireless | 0 |
| 410-501 | Arbutus | Windstream (PAETEC) | VoIP | 0 |
| 410-502 | Baltimore | Verizon | Landline | 0 |
| 410-503 | Elkridge | Verizon | Landline | 0 |
| 410-504 | Verizon | Landline | 0 | |
| 410-505 | Verizon | Landline | 0 | |
| 410-506 | Elkton | Verizon | Landline | 0 |
| 410-507 | Annapolis | Verizon Wireless | Wireless | 0 |
| 410-508 | Verizon | Landline | 0 | |
| 410-509 | Baltimore-Washington Telephone... | Landline | 0 | |
| 410-510 | Fork | AT&T | VoIP | 0 |
| 410-512 | Towson | Verizon | Landline | 0 |
| 410-513 | Parkville | AT&T | VoIP | 0 |
| 410-514 | Severn | Verizon | Landline | 0 |
| 410-515 | Fork | Verizon | Landline | 0 |
| 410-516 | Baltimore | Verizon | Landline | 0 |
| 410-517 | Verizon | Landline | 0 | |
| 410-518 | Severna Pk | Verizon | Landline | 0 |
| 410-519 | Severn | Verizon | Landline | 0 |
| 410-520 | Ocean City | Verizon | Landline | 0 |
| 410-521 | Verizon | Landline | 0 | |
| 410-522 | Baltimore | Verizon | Landline | 0 |
| 410-523 | Baltimore | Verizon | Landline | 0 |
| 410-524 | Ocean City | Verizon | Landline | 0 |
| 410-525 | Baltimore | Verizon | Landline | 0 |
| 410-526 | Verizon | Landline | 0 | |
| 410-527 | Cockeysvl | Verizon | Landline | 0 |
| 410-528 | Baltimore | Verizon | Landline | 0 |
| 410-529 | Parkville | Verizon | Landline | 0 |
| 410-530 | Catonsvl | AT&T Mobility | Wireless | 0 |
| 410-531 | Columbia | Verizon | Landline | 0 |
| 410-532 | Baltimore | Verizon | Landline | 0 |
| 410-533 | Annapolis | AT&T Mobility | Wireless | 0 |
| 410-534 | Baltimore | Verizon | Landline | 0 |
| 410-535 | Verizon | Landline | 0 | |
| 410-536 | Arbutus | Verizon | Landline | 0 |
| 410-537 | Baltimore | Verizon | Landline | 0 |
| 410-538 | Fork | Verizon | Landline | 0 |
| 410-539 | Baltimore | Verizon | Landline | 0 |
| 410-540 | Elkridge | Verizon | Landline | 0 |
| 410-541 | Severna Pk | Verizon | Landline | 1 |
| 410-542 | Baltimore | Verizon | Landline | 0 |
| 410-543 | Salisbury | Verizon | Landline | 0 |
| 410-544 | Severna Pk | Verizon | Landline | 0 |
| 410-545 | Baltimore | Verizon | Landline | 0 |
| 410-546 | Salisbury | Verizon | Landline | 0 |
| 410-547 | Baltimore | Verizon | Landline | 0 |
| 410-548 | Salisbury | Verizon | Landline | 0 |
| 410-549 | Sykesville | Verizon | Landline | 0 |
| 410-550 | Baltimore | Verizon | Landline | 0 |
| 410-551 | Severn | Verizon | Landline | 0 |
| 410-552 | Sykesville | Verizon | Landline | 0 |
| 410-553 | Verizon | Landline | 3 | |
| 410-554 | Baltimore | Verizon | Landline | 0 |
| 410-556 | Church Hill | Verizon | Landline | 0 |
| 410-557 | Fork | Verizon | Landline | 0 |
| 410-558 | Baltimore | Verizon | Landline | 0 |
| 410-559 | AT&T | VoIP | 0 | |
| 410-560 | Towson | Verizon | Landline | 0 |
| 410-561 | Towson | Verizon | Landline | 0 |
| 410-562 | Annapolis | AT&T Mobility | Wireless | 0 |
| 410-563 | Baltimore | Verizon | Landline | 0 |
| 410-564 | Elkridge | AT&T | VoIP | 0 |
| 410-565 | Arbutus | Lumen (Level 3) | VoIP | 0 |
| 410-566 | Baltimore | Verizon | Landline | 0 |
| 410-567 | Elkridge | Verizon Business | VoIP | 0 |
| 410-568 | Cockeysvl | AT&T | VoIP | 0 |
| 410-569 | Edgewood | Verizon | Landline | 0 |
| 410-570 | Annapolis | AT&T Mobility | Wireless | 0 |
| 410-571 | Annapolis | Verizon | Landline | 0 |
| 410-572 | Salisbury | Verizon | Landline | 0 |
| 410-573 | Annapolis | Verizon | Landline | 0 |
| 410-574 | Essex | Verizon | Landline | 0 |
| 410-575 | Fork | Verizon | Landline | 0 |
| 410-576 | Baltimore | Verizon | Landline | 0 |
| 410-577 | Verizon | Landline | 0 | |
| 410-578 | Baltimore | Verizon | Landline | 0 |
| 410-579 | Elkridge | Verizon | Landline | 0 |
| 410-580 | Verizon | Landline | 0 | |
| 410-581 | Verizon | Landline | 0 | |
| 410-582 | Verizon | Landline | 0 | |
| 410-583 | Towson | Verizon | Landline | 0 |
| 410-584 | Cockeysvl | Verizon | Landline | 0 |
| 410-585 | Baltimore | Verizon | Landline | 0 |
| 410-586 | Verizon | Landline | 0 | |
| 410-587 | Arbutus | Verizon Business | VoIP | 0 |
| 410-588 | Bel Air | Verizon | Landline | 0 |
| 410-589 | Lumen (Level 3) | VoIP | 0 | |
| 410-590 | Verizon | Landline | 0 | |
| 410-591 | Baltimore | Verizon Wireless | Wireless | 0 |
| 410-592 | Fork | Verizon | Landline | 0 |
| 410-593 | Fork | Verizon | Landline | 0 |
| 410-594 | Woodlawn | Verizon | Landline | 0 |
| 410-595 | Lumen (Level 3) | VoIP | 0 | |
| 410-596 | Westminster | Verizon Wireless | Wireless | 0 |
| 410-597 | Woodlawn | Verizon | Landline | 0 |
| 410-598 | Baltimore | Verizon Wireless | Wireless | 0 |
| 410-599 | Catonsvl | AT&T Mobility | Wireless | 0 |
| 410-600 | Berlin | Verizon Business | VoIP | 0 |
| 410-601 | Baltimore | Verizon | Landline | 0 |
| 410-602 | Verizon | Landline | 0 | |
| 410-603 | Salisbury | AT&T Mobility | Wireless | 0 |
| 410-604 | Stevensvl | Verizon | Landline | 0 |
| 410-605 | Baltimore | Verizon | Landline | 0 |
| 410-606 | Verizon | Landline | 0 | |
| 410-607 | Towson | Spok (paging) | Pager | 0 |
| 410-608 | Catonsvl | AT&T Mobility | Wireless | 0 |
| 410-609 | Verizon | Landline | 0 | |
| 410-610 | Verizon Wireless | Wireless | 0 | |
| 410-612 | Edgewood | Verizon | Landline | 0 |
| 410-613 | Baltimore | Verizon | Landline | 0 |
| 410-614 | Baltimore | Verizon | Landline | 0 |
| 410-615 | Catonsvl | AT&T Mobility | Wireless | 0 |
| 410-616 | Towson | Verizon Business | VoIP | 0 |
| 410-617 | Baltimore | Verizon | Landline | 0 |
| 410-618 | Perryville | Idt America | Landline | 0 |
| 410-619 | American Messaging Services | Landline | 0 | |
| 410-620 | Elkton | Verizon | Landline | 0 |
| 410-621 | Princess Anne | Verizon | Landline | 0 |
| 410-622 | Baltimore | Verizon Business | VoIP | 0 |
| 410-623 | Martin's Additions | Verizon | Landline | 0 |
| 410-624 | Baltimore | Verizon | Landline | 0 |
| 410-625 | Baltimore | Verizon | Landline | 0 |
| 410-626 | Annapolis | Verizon | Landline | 0 |
| 410-627 | Baltimore | Verizon Wireless | Wireless | 0 |
| 410-628 | Cockeysvl | Verizon | Landline | 0 |
| 410-629 | Berlin | Verizon | Landline | 0 |
| 410-630 | Chevy Chase | Verizon Business | VoIP | 0 |
| 410-631 | Baltimore | Verizon | Landline | 0 |
| 410-632 | Snow Hill | Verizon | Landline | 0 |
| 410-633 | Baltimore | Verizon | Landline | 0 |
| 410-634 | Ridgely | Verizon | Landline | 0 |
| 410-635 | New Windsor | Verizon | Landline | 0 |
| 410-636 | Verizon | Landline | 0 | |
| 410-637 | Baltimore | Verizon | Landline | 0 |
| 410-638 | Bel Air | Verizon | Landline | 0 |
| 410-639 | Rock Hall | Verizon | Landline | 0 |
| 410-640 | Baltimore | Spok (paging) | Pager | 0 |
| 410-641 | Berlin | Verizon | Landline | 0 |
| 410-642 | Perryville | Verizon | Landline | 0 |
| 410-643 | Stevensvl | Verizon | Landline | 0 |
| 410-644 | Baltimore | Verizon | Landline | 0 |
| 410-645 | Woodlawn | Verizon Business | VoIP | 0 |
| 410-646 | Baltimore | Verizon | Landline | 0 |
| 410-647 | Severna Pk | Verizon | Landline | 0 |
| 410-648 | Galena | Verizon | Landline | 0 |
| 410-649 | Baltimore | AT&T | VoIP | 0 |
| 410-650 | Dundalk | Verizon Business | VoIP | 0 |
| 410-651 | Princess Anne | Verizon | Landline | 0 |
| 410-652 | Bel Air | AT&T Mobility | Wireless | 0 |
| 410-653 | Verizon | Landline | 0 | |
| 410-654 | Verizon | Landline | 0 | |
| 410-655 | Verizon | Landline | 0 | |
| 410-656 | North East | Armstrong Telecommunications | Landline | 0 |
| 410-657 | Parkville | Verizon Business | VoIP | 1 |
| 410-658 | Rising Sun | Armstrong Tel. Co. of Maryland | Landline | 0 |
| 410-659 | Baltimore | Verizon | Landline | 0 |
| 410-660 | Elkridge | T-Mobile (Metro) | Wireless | 0 |
| 410-661 | Parkville | Verizon | Landline | 0 |
| 410-662 | Baltimore | Verizon | Landline | 0 |
| 410-663 | Parkville | Verizon | Landline | 0 |
| 410-664 | Baltimore | Verizon | Landline | 0 |
| 410-665 | Parkville | Verizon | Landline | 0 |
| 410-666 | Cockeysvl | Verizon | Landline | 0 |
| 410-667 | Cockeysvl | Verizon | Landline | 0 |
| 410-668 | Parkville | Verizon | Landline | 0 |
| 410-669 | Baltimore | Verizon | Landline | 0 |
| 410-670 | Edgewood | Verizon Business | VoIP | 0 |
| 410-671 | Edgewood | Verizon | Landline | 0 |
| 410-672 | Odenton | Verizon | Landline | 0 |
| 410-673 | Preston | Verizon | Landline | 0 |
| 410-674 | Odenton | Verizon | Landline | 0 |
| 410-675 | Baltimore | Verizon | Landline | 0 |
| 410-676 | Edgewood | Verizon | Landline | 0 |
| 410-677 | Salisbury | Verizon | Landline | 0 |
| 410-678 | Elkridge | Spok (paging) | Pager | 0 |
| 410-679 | Fork | Verizon | Landline | 0 |
| 410-680 | Lumen (Level 3) | VoIP | 0 | |
| 410-681 | Towson | Spok (paging) | Pager | 0 |
| 410-682 | Essex | Verizon | Landline | 0 |
| 410-683 | Cockeysvl | Verizon | Landline | 0 |
| 410-684 | Verizon | Landline | 0 | |
| 410-685 | Baltimore | Verizon | Landline | 0 |
| 410-686 | Essex | Verizon | Landline | 0 |
| 410-687 | Essex | Verizon | Landline | 0 |
| 410-688 | Fallston | Verizon Wireless | Wireless | 0 |
| 410-689 | AT&T | VoIP | 0 | |
| 410-690 | Easton | Lumen (Level 3) | VoIP | 0 |
| 410-691 | Verizon | Landline | 0 | |
| 410-692 | Verizon | Landline | 0 | |
| 410-693 | Annapolis | AT&T Mobility | Wireless | 0 |
| 410-694 | Verizon | Landline | 0 | |
| 410-695 | Odenton | Verizon | Landline | 0 |
| 410-696 | Verizon Business | VoIP | 0 | |
| 410-697 | Millersvl | Verizon Business | VoIP | 0 |
| 410-698 | Fork | Verizon Business | VoIP | 0 |
| 410-699 | Chestertown | T-Mobile | Wireless | 0 |
| 410-701 | Verizon Business | VoIP | 0 | |
| 410-702 | Verizon Business | VoIP | 0 | |
| 410-703 | Annapolis | Verizon Wireless | Wireless | 0 |
| 410-704 | Towson | Verizon Business | VoIP | 0 |
| 410-705 | Bandwidth | VoIP | 0 | |
| 410-706 | Baltimore | Verizon | Landline | 0 |
| 410-707 | Columbia | Verizon Wireless | Wireless | 0 |
| 410-708 | Chestertown | Verizon Wireless | Wireless | 0 |
| 410-709 | Verizon Business | VoIP | 0 | |
| 410-710 | Baltimore | T-Mobile | Wireless | 0 |
| 410-712 | Elkridge | Verizon | Landline | 0 |
| 410-713 | Salisbury | Lumen (Level 3) | VoIP | 0 |
| 410-714 | Easton | AT&T Mobility | Wireless | 0 |
| 410-715 | Columbia | Verizon | Landline | 0 |
| 410-716 | Towson | Verizon | Landline | 0 |
| 410-717 | Elkridge | Lumen (Level 3) | VoIP | 0 |
| 410-718 | Catonsvl | AT&T Mobility | Wireless | 0 |
| 410-719 | Catonsvl | Verizon | Landline | 0 |
| 410-720 | Verizon | Landline | 0 | |
| 410-721 | Crofton | Verizon | Landline | 0 |
| 410-722 | Verizon | Landline | 0 | |
| 410-723 | Ocean City | Verizon | Landline | 0 |
| 410-724 | Verizon | Landline | 0 | |
| 410-725 | Easton | T-Mobile | Wireless | 0 |
| 410-726 | Salisbury | Verizon Wireless | Wireless | 0 |
| 410-727 | Baltimore | Verizon | Landline | 0 |
| 410-728 | Baltimore | Verizon | Landline | 0 |
| 410-729 | Severn | Verizon | Landline | 0 |
| 410-730 | Columbia | Verizon | Landline | 0 |
| 410-731 | Annapolis | Spok (paging) | Pager | 0 |
| 410-732 | Baltimore | Verizon | Landline | 0 |
| 410-733 | Catonsvl | AT&T Mobility | Wireless | 0 |
| 410-734 | Churchvl | Verizon | Landline | 0 |
| 410-735 | Baltimore | Windstream (PAETEC) | VoIP | 0 |
| 410-736 | Baltimore | Verizon | Landline | 0 |
| 410-737 | Arbutus | Verizon | Landline | 0 |
| 410-738 | Verizon | Landline | 0 | |
| 410-739 | Centreville | AT&T Mobility | Wireless | 0 |
| 410-740 | Columbia | Verizon | Landline | 0 |
| 410-741 | Westminster | Verizon | Landline | 0 |
| 410-742 | Salisbury | Verizon | Landline | 0 |
| 410-743 | Baltimore | Spok (paging) | Pager | 0 |
| 410-744 | Catonsvl | Verizon | Landline | 0 |
| 410-745 | St. Michaels | Verizon | Landline | 0 |
| 410-746 | Baltimore | Verizon Wireless | Wireless | 0 |
| 410-747 | Catonsvl | Verizon | Landline | 0 |
| 410-748 | Spok (paging) | Pager | 0 | |
| 410-749 | Salisbury | Verizon | Landline | 0 |
| 410-750 | Verizon | Landline | 0 | |
| 410-751 | Westminster | Verizon | Landline | 0 |
| 410-752 | Baltimore | Verizon | Landline | 0 |
| 410-753 | Verizon Business | VoIP | 1 | |
| 410-754 | Federalsburg | Verizon | Landline | 0 |
| 410-755 | Warwick | Verizon | Landline | 0 |
| 410-756 | Taneytown | Verizon | Landline | 0 |
| 410-757 | Annapolis | Verizon | Landline | 0 |
| 410-758 | Centreville | Verizon | Landline | 0 |
| 410-759 | Baltimore | AT&T Mobility | Wireless | 0 |
| 410-760 | Verizon | Landline | 0 | |
| 410-761 | Verizon | Landline | 0 | |
| 410-762 | Verizon | Landline | 0 | |
| 410-763 | Easton | Verizon | Landline | 0 |
| 410-764 | Baltimore | Verizon | Landline | 0 |
| 410-765 | Verizon | Landline | 0 | |
| 410-766 | Verizon | Landline | 0 | |
| 410-767 | Baltimore | Verizon | Landline | 0 |
| 410-768 | Verizon | Landline | 0 | |
| 410-769 | Towson | Verizon | Landline | 0 |
| 410-770 | Easton | Verizon | Landline | 0 |
| 410-771 | Cockeysvl | Verizon | Landline | 0 |
| 410-772 | Columbia | Verizon | Landline | 0 |
| 410-773 | Cockeysvl | Verizon | Landline | 0 |
| 410-774 | Crofton | Verizon Business | VoIP | 2 |
| 410-775 | Union Bridge | Verizon | Landline | 0 |
| 410-776 | Bel Air | AT&T | VoIP | 0 |
| 410-777 | Severna Pk | Verizon Business | VoIP | 0 |
| 410-778 | Chestertown | Verizon | Landline | 0 |
| 410-779 | Baltimore | Lumen (Level 3) | VoIP | 0 |
| 410-780 | Essex | Verizon | Landline | 0 |
| 410-781 | Verizon | Landline | 0 | |
| 410-782 | Elkridge | Verizon | Landline | 0 |
| 410-783 | Baltimore | Verizon | Landline | 0 |
| 410-784 | Verizon | Landline | 0 | |
| 410-785 | Cockeysvl | Verizon | Landline | 0 |
| 410-786 | Woodlawn | Verizon Business | VoIP | 1 |
| 410-787 | Verizon | Landline | 0 | |
| 410-788 | Catonsvl | Verizon | Landline | 0 |
| 410-789 | Verizon | Landline | 0 | |
| 410-790 | Towson | AT&T Mobility | Wireless | 0 |
| 410-791 | Verizon | Landline | 0 | |
| 410-792 | Verizon | Landline | 0 | |
| 410-793 | Severna Pk | Verizon | Landline | 0 |
| 410-794 | Columbia | Lumen (Level 3) | VoIP | 0 |
| 410-795 | Sykesville | Verizon | Landline | 0 |
| 410-796 | Elkridge | Verizon | Landline | 0 |
| 410-797 | Verizon | Landline | 0 | |
| 410-798 | Westminster | Verizon | Landline | 0 |
| 410-799 | Verizon | Landline | 0 | |
| 410-800 | Baltimore | Verizon Wireless | Wireless | 0 |
| 410-801 | Baltimore | Verizon Business | VoIP | 0 |
| 410-802 | Catonsvl | AT&T Mobility | Wireless | 0 |
| 410-803 | Fork | Verizon | Landline | 0 |
| 410-804 | Baltimore | Verizon Wireless | Wireless | 0 |
| 410-805 | Baltimore | T-Mobile | Wireless | 0 |
| 410-806 | Towson | Spok (paging) | Pager | 0 |
| 410-807 | Catonsvl | Lumen (Level 3) | VoIP | 0 |
| 410-808 | Fallston | T-Mobile (Metro) | Wireless | 0 |
| 410-809 | Bel Air | Windstream (PAETEC) | VoIP | 0 |
| 410-810 | Chestertown | Verizon | Landline | 0 |
| 410-812 | Towson | AT&T Mobility | Wireless | 0 |
| 410-813 | Verizon | Landline | 0 | |
| 410-814 | Baltimore | Windstream (PAETEC) | VoIP | 0 |
| 410-815 | Verizon | Landline | 0 | |
| 410-816 | Towson | Verizon Wireless | Wireless | 0 |
| 410-817 | Fork | Verizon | Landline | 0 |
| 410-818 | Catonsvl | AT&T | VoIP | 0 |
| 410-819 | Easton | Verizon | Landline | 0 |
| 410-820 | Easton | Verizon | Landline | 0 |
| 410-821 | Towson | Verizon | Landline | 0 |
| 410-822 | Easton | Verizon | Landline | 0 |
| 410-823 | Towson | Verizon | Landline | 0 |
| 410-824 | Lumen (Level 3) | VoIP | 0 | |
| 410-825 | Towson | Verizon | Landline | 0 |
| 410-826 | Baltimore | Onvoy (Sinch) | VoIP | 0 |
| 410-827 | Queenstown | Verizon | Landline | 0 |
| 410-828 | Towson | Verizon | Landline | 0 |
| 410-829 | Easton | Verizon Wireless | Wireless | 0 |
| 410-830 | Towson | Verizon | Landline | 0 |
| 410-831 | Salisbury | T-Mobile | Wireless | 0 |
| 410-832 | Towson | Verizon | Landline | 0 |
| 410-833 | Verizon | Landline | 0 | |
| 410-834 | Lumen (CenturyLink) | Landline | 0 | |
| 410-835 | Willards | Verizon | Landline | 0 |
| 410-836 | Bel Air | Verizon | Landline | 0 |
| 410-837 | Baltimore | Verizon | Landline | 0 |
| 410-838 | Bel Air | Verizon | Landline | 0 |
| 410-839 | Towson | Spok (paging) | Pager | 0 |
| 410-840 | Verizon | Landline | 0 | |
| 410-841 | Severna Pk | Verizon | Landline | 0 |
| 410-842 | Towson | Verizon Business | VoIP | 0 |
| 410-843 | Baltimore | AT&T | VoIP | 0 |
| 410-844 | Baltimore | Peerless Network | VoIP | 1 |
| 410-845 | Salisbury | T-Mobile | Wireless | 0 |
| 410-846 | Severn | Verizon Business | VoIP | 0 |
| 410-847 | Towson | Verizon | Landline | 0 |
| 410-848 | Westminster | Verizon | Landline | 0 |
| 410-849 | Sherwd For | Verizon | Landline | 0 |
| 410-850 | Verizon | Landline | 0 | |
| 410-851 | Towson | Verizon | Landline | 0 |
| 410-852 | Catonsvl | AT&T Mobility | Wireless | 0 |
| 410-853 | Towson | Verizon | Landline | 0 |
| 410-854 | Verizon | Landline | 0 | |
| 410-855 | Verizon | Landline | 0 | |
| 410-856 | Baltimore | Verizon | Landline | 0 |
| 410-857 | Westminster | Verizon | Landline | 0 |
| 410-858 | Annapolis | Verizon | Landline | 0 |
| 410-859 | Verizon | Landline | 0 | |
| 410-860 | Salisbury | Verizon | Landline | 0 |
| 410-861 | Westminster | Verizon | Landline | 0 |
| 410-862 | Onvoy (Sinch) | VoIP | 0 | |
| 410-863 | Verizon | Landline | 0 | |
| 410-864 | Baltimore | Verizon Business | VoIP | 0 |
| 410-865 | Verizon | Landline | 0 | |
| 410-866 | Essex | Verizon | Landline | 0 |
| 410-867 | Westminster | Verizon | Landline | 0 |
| 410-868 | Catonsvl | AT&T Mobility | Wireless | 0 |
| 410-869 | Catonsvl | Verizon | Landline | 0 |
| 410-870 | Parkville | Comcast (Xfinity) | VoIP | 0 |
| 410-871 | Westminster | Verizon | Landline | 0 |
| 410-872 | Columbia | Verizon | Landline | 0 |
| 410-873 | Nanticoke | Verizon | Landline | 0 |
| 410-874 | Odenton | Verizon Business | VoIP | 0 |
| 410-875 | Sykesville | Verizon | Landline | 0 |
| 410-876 | Verizon | Landline | 0 | |
| 410-877 | Fallston | Verizon | Landline | 0 |
| 410-878 | Baltimore | Verizon Business | VoIP | 0 |
| 410-879 | Fork | Verizon | Landline | 0 |
| 410-880 | Verizon | Landline | 0 | |
| 410-881 | Sherwd For | Verizon Business | VoIP | 0 |
| 410-882 | Parkville | Verizon | Landline | 0 |
| 410-883 | Sharptown | Verizon | Landline | 0 |
| 410-884 | Columbia | Verizon | Landline | 0 |
| 410-885 | Chesapeake City | Verizon | Landline | 0 |
| 410-886 | Tilghman | Verizon | Landline | 0 |
| 410-887 | Towson | Verizon | Landline | 0 |
| 410-888 | Verizon | Landline | 0 | |
| 410-889 | Baltimore | Verizon | Landline | 0 |
| 410-890 | Towson | Spok (paging) | Pager | 0 |
| 410-891 | Cockeysvl | Verizon Business | VoIP | 0 |
| 410-892 | Verizon | Landline | 0 | |
| 410-893 | Fork | Verizon | Landline | 0 |
| 410-894 | Towson | Spok (paging) | Pager | 0 |
| 410-895 | Baltimore | Verizon | Landline | 0 |
| 410-896 | Delmar | Verizon | Landline | 1 |
| 410-897 | Annapolis | Verizon | Landline | 0 |
| 410-898 | Verizon | Landline | 0 | |
| 410-899 | Towson | Spok (paging) | Pager | 0 |
| 410-900 | Baltimore | Windstream (PAETEC) | VoIP | 0 |
| 410-901 | Cambridge | Verizon | Landline | 0 |
| 410-902 | Verizon | Landline | 0 | |
| 410-903 | Severna Pk | T-Mobile (Metro) | Wireless | 0 |
| 410-904 | Verizon Business | VoIP | 0 | |
| 410-905 | Baltimore | T-Mobile | Wireless | 0 |
| 410-906 | Baltimore | Verizon | Landline | 0 |
| 410-907 | Woodlawn | Verizon Business | VoIP | 0 |
| 410-908 | Baltimore | T-Mobile | Wireless | 0 |
| 410-909 | Elkridge | Spok (paging) | Pager | 0 |
| 410-910 | Columbia | Verizon Business | VoIP | 0 |
| 410-912 | Salisbury | Windstream (PAETEC) | VoIP | 1 |
| 410-913 | Baltimore | Verizon Wireless | Wireless | 0 |
| 410-914 | Churchvl | Windstream (PAETEC) | VoIP | 1 |
| 410-915 | Baltimore | Baltimore-Washington Telephone... | Landline | 0 |
| 410-916 | Baltimore | Verizon Wireless | Wireless | 0 |
| 410-917 | Catonsvl | AT&T Mobility | Wireless | 0 |
| 410-918 | Essex | Verizon | Landline | 0 |
| 410-919 | Annapolis | Verizon Business | VoIP | 0 |
| 410-920 | Elkton | AT&T Mobility | Wireless | 0 |
| 410-921 | Severn | Lumen (Level 3) | VoIP | 0 |
| 410-922 | Verizon | Landline | 0 | |
| 410-923 | Millersvl | Verizon | Landline | 0 |
| 410-924 | Easton | Verizon Wireless | Wireless | 0 |
| 410-925 | Baltimore | Verizon Wireless | Wireless | 0 |
| 410-926 | Catonsvl | AT&T Mobility | Wireless | 0 |
| 410-927 | Odenton | Lumen (Level 3) | VoIP | 0 |
| 410-928 | Millington | Verizon | Landline | 0 |
| 410-929 | Baltimore | Bandwidth | VoIP | 0 |
| 410-930 | Redi-Call Communications | Landline | 0 | |
| 410-931 | Parkville | Verizon | Landline | 0 |
| 410-932 | Elkridge | Spok (paging) | Pager | 0 |
| 410-933 | Parkville | Verizon | Landline | 0 |
| 410-934 | Annapolis | AT&T Mobility | Wireless | 0 |
| 410-935 | Baltimore | Verizon Wireless | Wireless | 0 |
| 410-936 | Salisbury | Comcast (Xfinity) | VoIP | 0 |
| 410-937 | Fallston | Verizon Wireless | Wireless | 0 |
| 410-938 | Towson | Verizon | Landline | 0 |
| 410-939 | Havre de Grace | Verizon | Landline | 0 |
| 410-940 | Annapolis | Windstream (PAETEC) | VoIP | 0 |
| 410-941 | Verizon | Landline | 0 | |
| 410-942 | Havre de Grace | Verizon | Landline | 0 |
| 410-943 | Hurlock | Verizon | Landline | 0 |
| 410-944 | Woodlawn | Verizon | Landline | 0 |
| 410-945 | Baltimore | Verizon | Landline | 0 |
| 410-946 | Severna Pk | Verizon | Landline | 0 |
| 410-947 | Baltimore | Verizon | Landline | 0 |
| 410-948 | Catonsvl | AT&T Mobility | Wireless | 0 |
| 410-949 | Baltimore | Verizon Business | VoIP | 0 |
| 410-951 | Baltimore | AT&T | VoIP | 0 |
| 410-952 | Baltimore | Verizon Wireless | Wireless | 0 |
| 410-953 | Columbia | Verizon | Landline | 0 |
| 410-955 | Baltimore | Verizon | Landline | 0 |
| 410-956 | Annapolis | Verizon | Landline | 0 |
| 410-957 | Pocomoke City | Verizon | Landline | 0 |
| 410-960 | Baltimore | Verizon Wireless | Wireless | 0 |
| 410-961 | Baltimore | T-Mobile | Wireless | 0 |
| 410-962 | Baltimore | Verizon | Landline | 0 |
| 410-963 | Baltimore | T-Mobile | Wireless | 0 |
| 410-964 | Columbia | Verizon | Landline | 0 |
| 410-965 | Woodlawn | Verizon | Landline | 1 |
| 410-966 | Woodlawn | Verizon | Landline | 0 |
| 410-967 | Towson | AT&T Mobility | Wireless | 0 |
| 410-968 | Crisfield | Verizon | Landline | 0 |
| 410-969 | Severn | Verizon | Landline | 0 |
| 410-970 | Sykesville | Verizon Business | VoIP | 0 |
| 410-971 | Catonsvl | AT&T Mobility | Wireless | 0 |
| 410-972 | Annapolis | AT&T | VoIP | 0 |
| 410-973 | Berlin | Mcc Telephony of the Mid-Atlantic | Landline | 1 |
| 410-974 | Severna Pk | Verizon | Landline | 0 |
| 410-975 | Severna Pk | Verizon | Landline | 0 |
| 410-977 | Baltimore | T-Mobile | Wireless | 0 |
| 410-978 | Catonsvl | AT&T Mobility | Wireless | 0 |
| 410-979 | Catonsvl | AT&T Mobility | Wireless | 0 |
| 410-980 | Annapolis | Verizon Wireless | Wireless | 0 |
| 410-981 | Verizon | Landline | 0 | |
| 410-982 | Baltimore | Quantum Telecommunications | Landline | 0 |
| 410-983 | Fork | Verizon | Landline | 0 |
| 410-984 | Sykesville | T-Mobile (Metro) | Wireless | 0 |
| 410-985 | Baltimore-Washington Telephone... | Landline | 0 | |
| 410-986 | Baltimore | Verizon | Landline | 0 |
| 410-987 | Severn | Verizon | Landline | 0 |
| 410-988 | Verizon | Landline | 0 | |
| 410-989 | Fork | Verizon | Landline | 0 |
| 410-990 | Annapolis | Verizon | Landline | 0 |
| 410-991 | Annapolis | Verizon Wireless | Wireless | 0 |
| 410-992 | Columbia | Verizon | Landline | 0 |
| 410-993 | Verizon | Landline | 0 | |
| 410-994 | Edgewood | Verizon | Landline | 0 |
| 410-995 | Verizon | Landline | 0 | |
| 410-996 | Elkton | Verizon | Landline | 0 |
| 410-997 | Columbia | Verizon | Landline | 0 |
| 410-998 | Verizon | Landline | 0 | |
| 410-999 | Baltimore-Washington Telephone... | Landline | 0 |
Area code 410 questions
Where is area code 410?
Area code 410 is in Maryland. Its biggest rate centers are Baltimore, Towson, Annapolis, Catonsvl, Salisbury.
What time zone is area code 410?
Area code 410 is in the Eastern time zone.
Is a call from area code 410 a scam?
An area code alone can't tell you. Scammers use and spoof numbers in every area code. 20 410 numbers have been flagged on ShadyCall. Look up the full number to see its reports and FTC/FCC complaints.
What carriers use area code 410?
Of its 783 exchanges, the most were assigned to Verizon, Verizon Wireless, AT&T Mobility. Numbers can be ported to any carrier, so the exchange shows the original carrier only.
What area codes overlay 410?
410 shares its area with 443, 667. In an overlay, new numbers get the newer codes and you dial all ten digits.