Look up a Postal Code
| District / County name | Postal code | More |
|---|---|---|
| Atherton | 94027 | Atherton District, San Mateo City, California Province, United States 94027 |
| Belmont | 94002 | Belmont District, San Mateo City, California Province, United States 94002 |
| Brisbane | 94005 | Brisbane District, San Mateo City, California Province, United States 94005 |
| Burlingame | 94010 | Burlingame District, San Mateo City, California Province, United States 94010 |
| Colma | 94014 | Colma District, San Mateo City, California Province, United States 94014 |
| Daly City | 94015 | Daly City District, San Mateo City, California Province, United States 94015 |
| El Granada | 94018 | El Granada District, San Mateo City, California Province, United States 94018 |
| Emerald Hills | 94062 | Emerald Hills District, San Mateo City, California Province, United States 94062 |
| Foster City | 94404 | Foster City District, San Mateo City, California Province, United States 94404 |
| Half Moon Bay | 94019 | Half Moon Bay District, San Mateo City, California Province, United States 94019 |
| Hillsborough | 94010 | Hillsborough District, San Mateo City, California Province, United States 94010 |
| La Honda | 94020 | La Honda District, San Mateo City, California Province, United States 94020 |
| Loma Mar | 94021 | Loma Mar District, San Mateo City, California Province, United States 94021 |
| Menlo Park | 94027 | Menlo Park District, San Mateo City, California Province, United States 94027 |
| Millbrae | 94030 | Millbrae District, San Mateo City, California Province, United States 94030 |
| Montara | 94037 | Montara District, San Mateo City, California Province, United States 94037 |
| Moss Beach | 94038 | Moss Beach District, San Mateo City, California Province, United States 94038 |
| Pacifica | 94044 | Pacifica District, San Mateo City, California Province, United States 94044 |
| Palomar Park | 94062 | Palomar Park District, San Mateo City, California Province, United States 94062 |
| Pescadero | 94060 | Pescadero District, San Mateo City, California Province, United States 94060 |
| Portola Valley | 94028 | Portola Valley District, San Mateo City, California Province, United States 94028 |
| Postal Data Center | 94497 | Postal Data Center District, San Mateo City, California Province, United States 94497 |
| Princeton By The Sea | 94019 | Princeton By The Sea District, San Mateo City, California Province, United States 94019 |
| Redwood City | 94063 | Redwood City District, San Mateo City, California Province, United States 94063 |
| San Bruno | 94066 | San Bruno District, San Mateo City, California Province, United States 94066 |
| San Carlos | 94070 | San Carlos District, San Mateo City, California Province, United States 94070 |
| San Francisco | 94128 | San Francisco District, San Mateo City, California Province, United States 94128 |
| San Francisco Intnl Airport | 94128 | San Francisco Intnl Airport District, San Mateo City, California Province, United States 94128 |
| San Gregorio | 94074 | San Gregorio District, San Mateo City, California Province, United States 94074 |
| San Mateo | 94403 | San Mateo District, San Mateo City, California Province, United States 94403 |
| Sharp Park | 94044 | Sharp Park District, San Mateo City, California Province, United States 94044 |
| South San Francisco | 94080 | South San Francisco District, San Mateo City, California Province, United States 94080 |
| West Menlo Park | 94025 | West Menlo Park District, San Mateo City, California Province, United States 94025 |
| Woodside | 94061 | Woodside District, San Mateo City, California Province, United States 94061 |
District / County name
Postal code
Atherton
94027
Atherton District, San Mateo City, California Province, United States 94027
Belmont
94002
Belmont District, San Mateo City, California Province, United States 94002
Brisbane
94005
Brisbane District, San Mateo City, California Province, United States 94005
Burlingame
94010
Burlingame District, San Mateo City, California Province, United States 94010
Colma
94014
Colma District, San Mateo City, California Province, United States 94014
Daly City
94015
Daly City District, San Mateo City, California Province, United States 94015
El Granada
94018
El Granada District, San Mateo City, California Province, United States 94018
Emerald Hills
94062
Emerald Hills District, San Mateo City, California Province, United States 94062
Foster City
94404
Foster City District, San Mateo City, California Province, United States 94404
Half Moon Bay
94019
Half Moon Bay District, San Mateo City, California Province, United States 94019
Hillsborough
94010
Hillsborough District, San Mateo City, California Province, United States 94010
La Honda
94020
La Honda District, San Mateo City, California Province, United States 94020
Loma Mar
94021
Loma Mar District, San Mateo City, California Province, United States 94021
Menlo Park
94027
Menlo Park District, San Mateo City, California Province, United States 94027
Millbrae
94030
Millbrae District, San Mateo City, California Province, United States 94030
Montara
94037
Montara District, San Mateo City, California Province, United States 94037
Moss Beach
94038
Moss Beach District, San Mateo City, California Province, United States 94038
Pacifica
94044
Pacifica District, San Mateo City, California Province, United States 94044
Palomar Park
94062
Palomar Park District, San Mateo City, California Province, United States 94062
Pescadero
94060
Pescadero District, San Mateo City, California Province, United States 94060
Portola Valley
94028
Portola Valley District, San Mateo City, California Province, United States 94028
Postal Data Center
94497
Postal Data Center District, San Mateo City, California Province, United States 94497
Princeton By The Sea
94019
Princeton By The Sea District, San Mateo City, California Province, United States 94019
Redwood City
94063
Redwood City District, San Mateo City, California Province, United States 94063
San Bruno
94066
San Bruno District, San Mateo City, California Province, United States 94066
San Carlos
94070
San Carlos District, San Mateo City, California Province, United States 94070
San Francisco
94128
San Francisco District, San Mateo City, California Province, United States 94128
San Francisco Intnl Airport
94128
San Francisco Intnl Airport District, San Mateo City, California Province, United States 94128
San Gregorio
94074
San Gregorio District, San Mateo City, California Province, United States 94074
San Mateo
94403
San Mateo District, San Mateo City, California Province, United States 94403
Sharp Park
94044
Sharp Park District, San Mateo City, California Province, United States 94044
South San Francisco
94080
South San Francisco District, San Mateo City, California Province, United States 94080
West Menlo Park
94025
West Menlo Park District, San Mateo City, California Province, United States 94025
Woodside
94061
Woodside District, San Mateo City, California Province, United States 94061