| Locality | Postal Code |
|---|---|
| Postal/ZIP Codes in Allendale, Solano | 95688 |
| Postal/ZIP Codes in American Canyon, Solano | 94589 |
| Postal/ZIP Codes in Benicia, Solano | 94510 |
| Postal/ZIP Codes in Birds Landing, Solano | 94512 |
| Postal/ZIP Codes in Dixon, Solano | 95620 |
| Postal/ZIP Codes in Elmira, Solano | 95625 |
| Postal/ZIP Codes in Fairfield, Solano | 94533, 94534 |
| Postal/ZIP Codes in Liberty Farms, Solano | 95620 |
| Postal/ZIP Codes in Mare Island, Solano | 94592 |
| Postal/ZIP Codes in Rio Vista, Solano | 94571 |
| Postal/ZIP Codes in Suisun, Solano | 94534, 94585 |
| Postal/ZIP Codes in Suisun City, Solano | 94585 |
| Postal/ZIP Codes in Travis Air Force Base, Solano | 94535 |
| Postal/ZIP Codes in Vacaville, Solano | 95687, 95688, 95696 |
| Postal/ZIP Codes in Vallejo, Solano | 94589, 94590, 94591, 94592 |