Find complete information about all ZIP codes in Napa, California. Our interactive map shows the postal code boundaries and locations throughout the city.
The postal system in Napa is organized to efficiently serve both residential and commercial areas. Each ZIP code represents a specific delivery zone within the city limits.

| City | Name | Zip Code | Type | Population |
|---|---|---|---|---|
| Napa, CA | PRIMARY | 94558 | STANDARD | 54.496 |
| Napa, CA | PRIMARY | 94559 | STANDARD | 21.017 |
| Napa, CA | PRIMARY | 94581 | PO BOX | 1.475 |
| City | Name | Zip Code | Type | Population |
|---|---|---|---|---|
| Napa, CA | PRIMARY | 94558 | STANDARD | 54.496 |
| Napa, CA | PRIMARY | 94559 | STANDARD | 21.017 |
| Napa, CA | PRIMARY | 94581 | PO BOX | 1.475 |