State: California
County: Napa
| ZIP | TOWN/CITY | STATE | COUNTY | POP | POP FOR GROUP |
| 94503 | American Canyon | CA | Napa County | 21780 | 140905 |
| 94508 | Angwin | CA | Napa County | 2540 | |
| 94515 | Calistoga | CA | Napa County | 7110 | |
| 94576 | Deer Park | CA | Napa County | 180 | |
| 94581 | Napa | CA | Napa County | 1703 | |
| 94559 | Napa | CA | Napa County | 27310 | |
| 94558 | Napa | CA | Napa County | 67470 | |
| 94562 | Oakville | CA | Napa County | 177 | |
| 94567 | Pope Valley | CA | Napa County | 590 | |
| 94573 | Rutherford | CA | Napa County | 1105 | |
| 94574 | Saint Helena | CA | Napa County | 8270 | |
| 94599 | Yountville | CA | Napa County | 2670 |