California
Area code 628
Area code 628 covers San Francisco, San Rafael, Belvedere, Corte Madera, Mill Valley and more in California, in the Pacific time zone. It has been in service since 2015. It shares its area with 415 (an overlay).
WhereCalifornia
Time zonePacific
Exchanges193
Flagged numbers515 complaints
Most reported 628 numbers
Carriers in 628
Line types
Counted over the exchanges, from the carrier each was assigned to.
Cities in area code 628
San FranciscoSan RafaelBelvedereCorte MaderaMill ValleyNovatoSausalitoIgnacio
Every 628 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 |
|---|---|---|---|---|
| 628-200 | San Francisco | Onvoy (Sinch) | VoIP | 0 |
| 628-201 | San Francisco | Onvoy (Sinch) | VoIP | 0 |
| 628-202 | Belvedere | T-Mobile | Wireless | 0 |
| 628-203 | Onvoy (Sinch) | VoIP | 0 | |
| 628-204 | Nicasio | T-Mobile | Wireless | 0 |
| 628-205 | San Francisco | Verizon Wireless | Wireless | 0 |
| 628-206 | San Francisco | AT&T | Landline | 0 |
| 628-207 | San Francisco | Bandwidth | VoIP | 0 |
| 628-208 | San Francisco | Vonage | VoIP | 0 |
| 628-209 | Novato | Telnyx | VoIP | 0 |
| 628-210 | Inverness | Peerless Network | VoIP | 0 |
| 628-212 | Corte Madera | Bandwidth | VoIP | 0 |
| 628-213 | San Francisco | T-Mobile | Wireless | 0 |
| 628-214 | Novato | Peerless Network | VoIP | 0 |
| 628-215 | Mill Valley | Bandwidth | VoIP | 0 |
| 628-216 | Bandwidth | VoIP | 0 | |
| 628-217 | San Francisco | AT&T | VoIP | 0 |
| 628-218 | San Francisco | Verizon Business | VoIP | 0 |
| 628-219 | San Francisco | AT&T Mobility | Wireless | 0 |
| 628-220 | San Francisco | Lumen (Level 3) | VoIP | 0 |
| 628-221 | San Francisco | Lumen (CenturyLink) | Landline | 0 |
| 628-222 | San Francisco | Onvoy (Sinch) | VoIP | 0 |
| 628-223 | San Francisco | AT&T | VoIP | 0 |
| 628-224 | San Francisco | AT&T Mobility | Wireless | 0 |
| 628-225 | San Francisco | Verizon Wireless | Wireless | 0 |
| 628-226 | Belvedere | AT&T Mobility | Wireless | 0 |
| 628-227 | San Francisco | Bandwidth | VoIP | 0 |
| 628-228 | San Francisco | AT&T | Landline | 0 |
| 628-229 | Onvoy (Sinch) | VoIP | 0 | |
| 628-230 | San Francisco | Verizon Wireless | Wireless | 0 |
| 628-231 | San Francisco | AT&T | VoIP | 0 |
| 628-232 | Inverness | Peerless Network | VoIP | 0 |
| 628-233 | San Francisco | AT&T Mobility | Wireless | 0 |
| 628-234 | San Rafael | Tpx Communications | Landline | 0 |
| 628-235 | San Francisco | Lumen (Level 3) | VoIP | 0 |
| 628-236 | Novato | T-Mobile | Wireless | 0 |
| 628-237 | Sausalito | T-Mobile | Wireless | 0 |
| 628-238 | Ignacio | Peerless Network | VoIP | 0 |
| 628-239 | San Francisco | Bandwidth | VoIP | 0 |
| 628-240 | San Rafael | T-Mobile (Metro) | Wireless | 0 |
| 628-241 | San Francisco | T-Mobile | Wireless | 0 |
| 628-242 | San Francisco | AT&T | Landline | 0 |
| 628-243 | San Rafael | Onvoy (Sinch) | VoIP | 0 |
| 628-244 | Belvedere | Peerless Network | VoIP | 0 |
| 628-245 | Mill Valley | Onvoy (Sinch) | VoIP | 0 |
| 628-246 | San Francisco | Bandwidth | VoIP | 0 |
| 628-247 | San Francisco | AT&T | VoIP | 0 |
| 628-248 | San Francisco | AT&T | VoIP | 0 |
| 628-249 | San Francisco | Verizon Wireless | Wireless | 0 |
| 628-250 | San Francisco | Verizon Wireless | Wireless | 0 |
| 628-251 | San Francisco | Peerless Network | VoIP | 0 |
| 628-252 | Corte Madera | T-Mobile | Wireless | 0 |
| 628-253 | San Rafael | Bandwidth | VoIP | 0 |
| 628-254 | Sausalito | Bandwidth | VoIP | 0 |
| 628-255 | San Francisco | Verizon Wireless | Wireless | 0 |
| 628-256 | San Francisco | Sonic Telecom | Landline | 0 |
| 628-257 | Mill Valley | Race Telecommunications | Landline | 0 |
| 628-258 | Nicasio | T-Mobile | Wireless | 0 |
| 628-259 | Ignacio | AT&T Mobility | Wireless | 0 |
| 628-260 | San Francisco | AT&T | VoIP | 0 |
| 628-261 | Sausalito | Terra Nova Telecom | Landline | 0 |
| 628-262 | Belvedere | Exiant Communications | Landline | 0 |
| 628-263 | San Francisco | Verizon Business | VoIP | 0 |
| 628-264 | San Francisco | T-Mobile | Wireless | 0 |
| 628-265 | Inverness | Bandwidth | VoIP | 0 |
| 628-266 | Corte Madera | Bandwidth | VoIP | 0 |
| 628-267 | San Francisco | AT&T | VoIP | 0 |
| 628-268 | San Francisco | Lumen (Level 3) | VoIP | 0 |
| 628-269 | San Rafael | T-Mobile | Wireless | 0 |
| 628-270 | San Francisco | Sonic Telecom | Landline | 0 |
| 628-271 | San Francisco | Onvoy (Sinch) | VoIP | 0 |
| 628-272 | Onvoy (Sinch) | VoIP | 0 | |
| 628-273 | San Francisco | Lumen (Level 3) | VoIP | 0 |
| 628-274 | San Francisco | Lumen (Level 3) | VoIP | 0 |
| 628-275 | San Francisco | Lumen (Level 3) | VoIP | 0 |
| 628-276 | San Francisco | T-Mobile | Wireless | 0 |
| 628-277 | San Rafael | Telnyx | VoIP | 0 |
| 628-278 | San Francisco | AT&T Mobility | Wireless | 0 |
| 628-279 | Sausalito | Bandwidth | VoIP | 0 |
| 628-280 | San Francisco | Sonic Telecom | Landline | 0 |
| 628-281 | San Francisco | Nuso | Landline | 0 |
| 628-282 | San Francisco | AT&T | Landline | 0 |
| 628-283 | San Francisco | T-Mobile | Wireless | 0 |
| 628-284 | San Francisco | Verizon Wireless | Wireless | 0 |
| 628-285 | San Rafael | Onvoy (Sinch) | VoIP | 0 |
| 628-286 | San Francisco | Wide Voice | Landline | 0 |
| 628-287 | San Francisco | Five9 | Landline | 1 |
| 628-288 | Mill Valley | Fractel | VoIP | 0 |
| 628-289 | San Francisco | Five9 | Landline | 1 |
| 628-290 | San Francisco | T-Mobile | Wireless | 0 |
| 628-291 | Mill Valley | Voip Innovations | VoIP | 0 |
| 628-292 | Belvedere | Commio | VoIP | 0 |
| 628-293 | Nicasio | Commio | VoIP | 0 |
| 628-294 | Novato | AT&T Mobility | Wireless | 0 |
| 628-295 | San Rafael | Onvoy (Sinch) | VoIP | 0 |
| 628-296 | San Francisco | Onvoy (Sinch) | VoIP | 0 |
| 628-297 | San Francisco | T-Mobile | Wireless | 0 |
| 628-298 | San Francisco | T-Mobile | Wireless | 0 |
| 628-299 | San Francisco | Fractel | VoIP | 0 |
| 628-300 | San Francisco | Onvoy (Sinch) | VoIP | 0 |
| 628-301 | Novato | T-Mobile | Wireless | 0 |
| 628-302 | Corte Madera | T-Mobile | Wireless | 0 |
| 628-303 | San Francisco | Onvoy (Sinch) | VoIP | 0 |
| 628-304 | San Francisco | T-Mobile | Wireless | 0 |
| 628-305 | San Rafael | T-Mobile | Wireless | 0 |
| 628-306 | San Francisco | T-Mobile | Wireless | 0 |
| 628-307 | Ignacio | AT&T Mobility | Wireless | 0 |
| 628-308 | San Francisco | T-Mobile | Wireless | 0 |
| 628-309 | San Francisco | T-Mobile | Wireless | 0 |
| 628-310 | Belvedere | T-Mobile | Wireless | 0 |
| 628-312 | San Francisco | T-Mobile | Wireless | 0 |
| 628-313 | San Rafael | T-Mobile | Wireless | 0 |
| 628-314 | San Rafael | Shelcomm | Landline | 0 |
| 628-315 | Belvedere | T-Mobile | Wireless | 0 |
| 628-316 | San Francisco | AT&T Mobility | Wireless | 0 |
| 628-317 | San Francisco | AT&T Mobility | Wireless | 0 |
| 628-318 | San Francisco | AT&T Mobility | Wireless | 0 |
| 628-319 | San Francisco | AT&T Mobility | Wireless | 0 |
| 628-320 | San Francisco | Onvoy (Sinch) | VoIP | 0 |
| 628-321 | San Francisco | AT&T | VoIP | 0 |
| 628-322 | San Francisco | AT&T | VoIP | 0 |
| 628-323 | San Francisco | AT&T | VoIP | 0 |
| 628-324 | San Francisco | AT&T | VoIP | 0 |
| 628-325 | San Francisco | AT&T | VoIP | 0 |
| 628-326 | San Francisco | AT&T | VoIP | 0 |
| 628-327 | San Rafael | Onvoy (Sinch) | VoIP | 0 |
| 628-328 | San Francisco | AT&T | VoIP | 0 |
| 628-329 | Sausalito | T-Mobile | Wireless | 0 |
| 628-330 | San Rafael | Onvoy (Sinch) | VoIP | 0 |
| 628-333 | San Francisco | Onvoy (Sinch) | VoIP | 0 |
| 628-335 | San Francisco | AT&T | VoIP | 0 |
| 628-336 | San Rafael | Fractel | VoIP | 0 |
| 628-338 | San Francisco | Onvoy (Sinch) | VoIP | 0 |
| 628-345 | Fractel | VoIP | 0 | |
| 628-348 | Belvedere | Fractel | VoIP | 0 |
| 628-356 | Nicasio | Fractel | VoIP | 0 |
| 628-358 | San Francisco | T-Mobile | Wireless | 0 |
| 628-363 | San Francisco | Verizon Wireless | Wireless | 0 |
| 628-377 | Ignacio | Fractel | VoIP | 0 |
| 628-386 | Corte Madera | Fractel | VoIP | 0 |
| 628-388 | Inverness | Fractel | VoIP | 0 |
| 628-399 | San Francisco | Fractel | VoIP | 0 |
| 628-400 | San Francisco | Onvoy (Sinch) | VoIP | 0 |
| 628-432 | San Francisco | Fractel | VoIP | 2 |
| 628-433 | Ignacio | Bandwidth | VoIP | 0 |
| 628-444 | San Francisco | Onvoy (Sinch) | VoIP | 0 |
| 628-465 | Sausalito | Fractel | VoIP | 0 |
| 628-466 | San Francisco | Onvoy (Sinch) | VoIP | 0 |
| 628-468 | San Francisco | Skyetel | Landline | 0 |
| 628-477 | Mill Valley | Fractel | VoIP | 0 |
| 628-488 | San Francisco | Fractel | VoIP | 0 |
| 628-500 | San Rafael | Onvoy (Sinch) | VoIP | 0 |
| 628-502 | San Francisco | Verizon Wireless | Wireless | 0 |
| 628-529 | San Francisco | Fractel | VoIP | 0 |
| 628-561 | Peerless Network | VoIP | 0 | |
| 628-577 | Nicasio | Fractel | VoIP | 0 |
| 628-587 | Novato | Fractel | VoIP | 0 |
| 628-588 | San Francisco | Fractel | VoIP | 0 |
| 628-600 | San Francisco | Onvoy (Sinch) | VoIP | 0 |
| 628-626 | San Francisco | Onvoy (Sinch) | VoIP | 0 |
| 628-628 | San Francisco | Fractel | VoIP | 0 |
| 628-629 | San Francisco | Hd Carrier | Landline | 0 |
| 628-652 | San Francisco | AT&T | VoIP | 0 |
| 628-666 | Ignacio | Onvoy (Sinch) | VoIP | 0 |
| 628-667 | San Rafael | Fractel | VoIP | 0 |
| 628-677 | Mill Valley | Fractel | VoIP | 0 |
| 628-682 | Novato | Onvoy (Sinch) | VoIP | 0 |
| 628-688 | San Francisco | Fractel | VoIP | 0 |
| 628-699 | Sausalito | Fractel | VoIP | 0 |
| 628-724 | Belvedere | Fractel | VoIP | 0 |
| 628-726 | San Francisco | Hd Carrier | Landline | 0 |
| 628-732 | San Francisco | Fractel | VoIP | 0 |
| 628-754 | San Francisco | AT&T | VoIP | 0 |
| 628-758 | San Francisco | Fractel | VoIP | 0 |
| 628-766 | Fractel | VoIP | 0 | |
| 628-777 | San Francisco | Onvoy (Sinch) | VoIP | 1 |
| 628-786 | San Francisco | Fractel | VoIP | 0 |
| 628-788 | San Francisco | Fractel | VoIP | 0 |
| 628-789 | San Francisco | Leap Telecom | Landline | 0 |
| 628-800 | San Francisco | Onvoy (Sinch) | VoIP | 0 |
| 628-842 | Corte Madera | Fractel | VoIP | 0 |
| 628-866 | Belvedere | Fractel | VoIP | 0 |
| 628-867 | San Francisco | Commio | VoIP | 0 |
| 628-877 | Corte Madera | Onvoy (Sinch) | VoIP | 0 |
| 628-888 | San Rafael | Onvoy (Sinch) | VoIP | 0 |
| 628-895 | San Francisco | Verizon Business | VoIP | 0 |
| 628-899 | San Francisco | Peerless Network | VoIP | 0 |
| 628-900 | San Francisco | Onvoy (Sinch) | VoIP | 0 |
| 628-946 | San Francisco | Fractel | VoIP | 0 |
| 628-977 | San Francisco | Fractel | VoIP | 0 |
| 628-997 | San Francisco | Onvoy (Sinch) | VoIP | 0 |
| 628-998 | San Francisco | Wavenation | Landline | 0 |
| 628-999 | San Francisco | Onvoy (Sinch) | VoIP | 0 |
Area code 628 questions
Where is area code 628?
Area code 628 is in California. Its biggest rate centers are San Francisco, San Rafael, Belvedere, Corte Madera, Mill Valley.
What time zone is area code 628?
Area code 628 is in the Pacific time zone.
Is a call from area code 628 a scam?
An area code alone can't tell you. Scammers use and spoof numbers in every area code. 5 628 numbers have been flagged on ShadyCall. Look up the full number to see its reports and FTC/FCC complaints.
What carriers use area code 628?
Of its 193 exchanges, the most were assigned to Onvoy (Sinch), Fractel, T-Mobile. Numbers can be ported to any carrier, so the exchange shows the original carrier only.
What area codes overlay 628?
628 shares its area with 415. In an overlay, new numbers get the newer codes and you dial all ten digits.