| ZIP Code | ZIP Code Place Name | County | ZIP Code Type |
|---|---|---|---|
| 94503 | American Canyon | Napa County | Standard |
| 94508 | Angwin | Napa County | Standard |
| 94515 | Calistoga | Napa County | Standard |
| 94558 | Napa | Napa County | Standard |
| 94559 | Napa | Napa County | Standard |
| 94562 | Oakville | Napa County | PO Box |
| 94567 | Pope Valley | Napa County | Standard |
| 94573 | Rutherford | Napa County | PO Box |
| 94574 | Saint Helena | Napa County | Standard |
| 94576 | Deer Park | Napa County | Standard |
| 94581 | Napa | Napa County | PO Box |
| 94591 | Vallejo | Solano County | Standard |
| 94599 | Yountville | Napa County | Standard |
| 95461 | Middletown | Lake County | Standard |