Area code 628 is currently assigned for use in California since Mar 21, 2015. This area code originated from the 415 area code previously by means of area code split or overlay. View all phone prefixes used in area code 628 or other area codes in California.
| Area code / prefix | location | Company / Service Provider |
|---|---|---|
| 628-200 | San Francisco, CA | CF COMMUNICATIONS, LLC DBA TELEKENEX - CA |
| 628-201 | San Francisco, CA | ONVOY, LLC - CA |
| 628-202 | BELVEDERE, CA | T-MOBILE USA, INC. |
| 628-203 | STNSN-BLNS, CA | ONVOY, LLC - CA |
| 628-204 | NICASIO, CA | T-MOBILE USA, INC. |
| 628-205 | San Francisco, CA | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
| 628-206 | San Francisco, CA | PACIFIC BELL |
| 628-207 | San Francisco, CA | BANDWIDTH.COM CLEC, LLC - CA |
| 628-208 | San Francisco, CA | VONAGE NETWORK INC. |
| 628-209 | NOVATO, CA | TELNYX LLC |
| 628-210 | INVERNESS, CA | PEERLESS NETWORK OF CALIFORNIA, LLC - CA |
| 628-212 | CORTE MADERA, CA | BANDWIDTH.COM CLEC, LLC - CA |
| 628-213 | San Francisco, CA | T-MOBILE USA, INC. |
| 628-214 | NOVATO, CA | PEERLESS NETWORK OF CALIFORNIA, LLC - CA |
| 628-215 | MILL VALLEY, CA | BANDWIDTH.COM CLEC, LLC - CA |
| 628-216 | POINT REYES, CA | BANDWIDTH.COM CLEC, LLC - CA |
| 628-217 | San Francisco, CA | TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO |
| 628-218 | San Francisco, CA | MCI WORLDCOM COMMUNICATIONS, INC., CA |
| 628-220 | San Francisco, CA | LEVEL 3 COMMUNICATIONS, LLC - CA |
| 628-221 | San Francisco, CA | CENTURYLINK COMMUNICATIONS LLC |
| 628-222 | San Francisco, CA | NEUTRAL TANDEM-CALIFORNIA, LLC - CA |
| 628-223 | San Francisco, CA | TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO |
| 628-224 | San Francisco, CA | NEW CINGULAR WIRELESS PCS, LLC |
| 628-225 | San Francisco, CA | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
| 628-226 | BELVEDERE, CA | NEW CINGULAR WIRELESS PCS, LLC |
| 628-227 | San Francisco, CA | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
| 628-228 | San Francisco, CA | PACIFIC BELL |
| 628-229 | POINT REYES, CA | BROADVOX-CLEC, LLC - CA |
| 628-230 | San Francisco, CA | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
| 628-231 | San Francisco, CA | TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO |
| 628-232 | INVERNESS, CA | PEERLESS NETWORK OF CALIFORNIA, LLC - CA |
| 628-233 | San Francisco, CA | NEW CINGULAR WIRELESS PCS, LLC |
| 628-234 | SAN RAFAEL, CA | U.S. TELEPACIFIC CORP. - CA |
| 628-235 | San Francisco, CA | LEVEL 3 COMMUNICATIONS, LLC - CA |
| 628-236 | NOVATO, CA | T-MOBILE USA, INC. |
| 628-237 | SAUSALITO, CA | T-MOBILE USA, INC. |
| 628-238 | IGNACIO, CA | AIRUS, INC. - CA |
| 628-239 | San Francisco, CA | BANDWIDTH.COM CLEC, LLC - CA |
| 628-241 | San Francisco, CA | T-MOBILE USA, INC. |
| 628-242 | San Francisco, CA | PACIFIC BELL |
| 628-243 | SAN RAFAEL, CA | ONVOY, LLC - CA |
| 628-244 | BELVEDERE, CA | PEERLESS NETWORK OF CALIFORNIA, LLC - CA |
| 628-245 | MILL VALLEY, CA | ONVOY, LLC - CA |
| 628-246 | San Francisco, CA | BANDWIDTH.COM CLEC, LLC - CA |
| 628-247 | San Francisco, CA | TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO |
| 628-248 | San Francisco, CA | TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO |
| 628-249 | San Francisco, CA | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
| 628-251 | San Francisco, CA | PEERLESS NETWORK OF CALIFORNIA, LLC - CA |
| 628-252 | CORTE MADERA, CA | T-MOBILE USA, INC. |
| 628-253 | SAN RAFAEL, CA | BANDWIDTH.COM CLEC, LLC - CA |
| New numbers being added to 628 area code |
|---|
|
Effective: 08/07/2017 628-218 in SAN FRANCISCO, CA MCI WORLDCOM COMMUNICATIONS, INC., CA |
| 628 Area Code Information | ||
|---|---|---|
| Type of code: | General Purpose Code | |
| location: | CA - US | |
| Time zone: | P | |
| Assigned for use: | Yes | |
| Code in service: | Yes | |
| Service date: | March 21, 2015 | |
| In jeopardy: | No | |
| Relief in progress: | No | |
| NPA Relief status: | ||
| Code assignable: | Yes | |
| Geographic or non-geographic: |
G | |
| Reserved for future use: | No | |
| Planning letter(s): | 461 | |
| Overlay code: | Yes | |
| Overlay complex: | 415/628 | |
| Dialing plan | Standard | Permissive |
| Home local calls: | 1+10D | NA |
| Foreign local calls: | 1+10D | NA |
| Home toll calls: | 1+10D | NA |
| Foreign toll calls: | 1+10D | - |