| CITY and (COUNTY) | ZIP CODE | STATE | AREA CODE |
| Belmont - (San Mateo) | 94002 | California | 650 |
| Belmont - (San Mateo) | 94003 | California | 650 |
| Brisbane - (San Mateo) | 94005 | California | 650 |
| Burlingame - (San Mateo) | 94010 | California | 650 |
| Burlingame - (San Mateo) | 94011 | California | 650 |
| Burlingame - (San Mateo) | 94012 | California | 650 |
| Daly City - (San Mateo) | 94013 | California | 650 |
| Daly City - (San Mateo) | 94014 | California | 650 |
| Daly City - (San Mateo) | 94015 | California | 650 |
| Daly City - (San Mateo) | 94016 | California | 650 |
| Daly City - (San Mateo) | 94017 | California | 650 |
| El Granada - (San Mateo) | 94018 | California | 650 |
| Half Moon Bay - (San Mateo) | 94019 | California | 650 |
| La Honda - (San Mateo) | 94020 | California | 650 |
| Loma Mar - (San Mateo) | 94021 | California | 650 |
| Los Altos - (Santa Clara) | 94022 | California | 650 |
| Los Altos - (Santa Clara) | 94023 | California | 650 |
| Los Altos - (Santa Clara) | 94024 | California | 650 |
| Menlo Park - (San Mateo) | 94025 | California | 650 |
| Menlo Park - (San Mateo) | 94026 | California | 650 |
| Atherton - (San Mateo) | 94027 | California | 650 |
| Portola Valley - (San Mateo) | 94028 | California | 650 |
| Menlo Park - (San Mateo) | 94029 | California | 650 |
| Millbrae - (San Mateo) | 94030 | California | 650 |
| Millbrae - (San Mateo) | 94031 | California | 650 |
| Mountain View - (Santa Clara) | 94035 | California | 650 |
| Montara - (San Mateo) | 94037 | California | 650 |
| Moss Beach - (San Mateo) | 94038 | California | 650 |
| Mountain View - (Santa Clara) | 94039 | California | 650 |
| Mountain View - (Santa Clara) | 94040 | California | 650 |
| Mountain View - (Santa Clara) | 94041 | California | 650 |
| Mountain View - (Santa Clara) | 94042 | California | 650 |
| Mountain View - (Santa Clara) | 94043 | California | 650 |
| Pacifica - (San Mateo) | 94044 | California | 650 |
| Pacifica - (San Mateo) | 94045 | California | 650 |
| Redwood City - (San Mateo) | 94059 | California | 650 |
| Pescadero - (San Mateo) | 94060 | California | 650 |
| Redwood City - (San Mateo) | 94061 | California | 650 |
| Redwood City - (San Mateo) | 94062 | California | 650 |
| Redwood City - (San Mateo) | 94063 | California | 650 |
| Redwood City - (San Mateo) | 94064 | California | 650 |
| Redwood City - (San Mateo) | 94065 | California | 650 |
| San Bruno - (San Mateo) | 94066 | California | 650 |
| San Bruno - (San Mateo) | 94067 | California | 650 |
| San Carlos - (San Mateo) | 94070 | California | 650 |
| San Carlos - (San Mateo) | 94071 | California | 650 |
| San Gregorio - (San Mateo) | 94074 | California | 650 |
| South San Francisco - (San Mateo) | 94080 | California | 650 |
| South San Francisco - (San Mateo) | 94083 | California | 650 |
| San Bruno - (San Mateo) | 94096 | California | 650 |
| San Bruno - (San Mateo) | 94098 | California | 650 |
| South San Francisco - (San Mateo) | 94099 | California | 650 |
| San Francisco - (San Mateo) | 94128 | California | 650 |
| Palo Alto - (Santa Clara) | 94301 | California | 650 |
| Palo Alto - (Santa Clara) | 94302 | California | 650 |
| Palo Alto - (Santa Clara) | 94303 | California | 650 |
| Palo Alto - (Santa Clara) | 94304 | California | 650 |
| Stanford - (Santa Clara) | 94305 | California | 650 |
| Palo Alto - (Santa Clara) | 94306 | California | 650 |
| Palo Alto - (San Mateo) | 94307 | California | 650 |
| Palo Alto - (San Mateo) | 94308 | California | 650 |
| Palo Alto - (Santa Clara) | 94309 | California | 650 |
| Palo Alto - (Santa Clara) | 94310 | California | 650 |
| San Mateo - (San Mateo) | 94401 | California | 650 |
| San Mateo - (San Mateo) | 94402 | California | 650 |
| San Mateo - (San Mateo) | 94403 | California | 650 |
| San Mateo - (San Mateo) | 94404 | California | 650 |
| San Mateo - (San Mateo) | 94405 | California | 650 |
| San Mateo - (San Mateo) | 94406 | California | 650 |
| San Mateo - (San Mateo) | 94407 | California | 650 |
| San Mateo - (San Mateo) | 94408 | California | 650 |
| San Mateo - (San Mateo) | 94409 | California | 650 |
| San Mateo - (San Mateo) | 94497 | California | 650 |
