| Postal Service | South San Francisco |
| Division | San Mateo |
| Post code | 94080 |
| Postal Service | Daly City |
| Division | San Mateo |
| Post code | 94015 |
| Postal Service | Daly City |
| Division | San Mateo |
| Post code | 94014 |
| Postal Service | San Bruno |
| Division | San Mateo |
| Post code | 94066 |
| Postal Service | San Mateo |
| Division | San Mateo |
| Post code | 94403 |
| Postal Service | Menlo Park |
| Division | San Mateo |
| Post code | 94025 |
| Postal Service | Burlingame |
| Division | San Mateo |
| Post code | 94010 |
| Postal Service | Pacifica |
| Division | San Mateo |
| Post code | 94044 |
| Postal Service | Redwood City |
| Division | San Mateo |
| Post code | 94061 |
| Postal Service | Redwood City |
| Division | San Mateo |
| Post code | 94063 |
22 City in San Mateo | List of Zip Codes Location In California and Your selected County San Mateo