Napa County, California
10 ZIP codes · 751.98 sq mi of land · FIPS 06055
| Population | 134,869 |
|---|---|
| State | California |
| FIPS code | 06055 |
| Time zone | Pacific |
| Land area | 751.98 sq mi |
| Center (lat, long) | 38.5071, -122.3259 |
Area codes in this area
These are the area codes that most often serve Napa County (including overlays). The exact area code depends on the phone number — landlines, mobiles and overlays can differ even on the same street.
Cities and towns (largest first)
Napa · 78,239American Canyon · 21,691AngwinOakvillePope ValleyRutherfordSaint HelenaDeer ParkYountville
ZIP codes in Napa County
94503 American Canyon94508 Angwin94558 Napa94559 Napa94562 Oakville94567 Pope Valley94573 Rutherford94574 Saint Helena94576 Deer Park94599 Yountville
Population: U.S. Census Bureau, ACS 5-year estimates, 2024.