Cities and Towns in San Mateo County, California
Founded in 1856, San Mateo County is one of 58 counties in the state of California. Historically, San Mateo County was formed from San Francisco and Santa Cruz. The city of Redwood City is the county seat. With FIPS code of 81, San Mateo County has a population of 737,888 and area of 449 square miles (1,163 km²).
List of all cities in San Mateo County, CA alphabetically
| City/Town | Postal Code | Area Code |
| Atherton, CA | 94027 | 650 |
| Belmont, CA | 94002 | 650 |
| Brisbane, CA | 94005 | 650 |
| Broadmoor Village, CA | 94015 | 650 |
| Burlingame, CA | 94010 | 650 |
| Burlingame, CA | 94011 | 650 |
| Colma, CA | 94014 | 650 |
| Daly City, CA | 94013 | 650 |
| 94014 | 650 | |
| 94015 | 650 | |
| 94016 | 650 | |
| 94017 | 650 | |
| El Granada, CA | 94018 | 650 |
| Emerald Hills, CA | 94062 | 650 |
| Foster City, CA | 94404 | 650 |
| Half Moon Bay, CA | 94019 | 650 |
| Hillsborough, CA | 94010 | 650 |
| La Honda, CA | 94020 | 650 |
| Loma Mar, CA | 94021 | 650 |
| Menlo Park, CA | 94025 | 650 |
| 94026 | 650 | |
| 94027 | 650 | |
| 94028 | 650 | |
| Millbrae, CA | 94030 | 650 |
| Montara, CA | 94037 | 650 |
| Moss Beach, CA | 94038 | 650 |
| Pacifica, CA | 94044 | 650 |
| Palomar Park, CA | 94062 | 650 |
| Pescadero, CA | 94060 | 650 |
| Portola Valley, CA | 94028 | 650 |
| Portola Vally, CA | 94028 | 650 |
| Postal Data Center, CA | 94497 | 650 |
| Princeton by the Sea, CA | 94019 | 650 |
| Redwood City, CA | 94061 | 650 |
| 94062 | 650 | |
| 94063 | 650 | |
| 94064 | 650 | |
| 94065 | 650 | |
| San Bruno, CA | 94066 | 650 |
| San Carlos, CA | 94070 | 650 |
| San Francisco, CA | 94128 | 650 |
| San Francisco Intnl Airport, CA | 94128 | 650 |
| San Gregorio, CA | 94074 | 650 |
| San Mateo, CA | 94401 | 650 |
| 94402 | 650 | |
| 94403 | 650 | |
| 94404 | 650 | |
| 94497 | 650 | |
| Sf International Service Center, CA | 94013 | 650 |
| Sharp Park, CA | 94044 | 650 |
| South San Francisco, CA | 94080 | 650 |
| 94083 | 650 | |
| Ssf, CA | 94080 | 650 |
| West Menlo Park, CA | 94025 | 650 |
| 94026 | 650 | |
| Woodside, CA | 94061 | 650 |
| 94062 | 650 |
Map of Cities in San Mateo County, CA
