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Napa County ZIP Codes

List of ZIP Codes in Napa County

The following table lists ZIP Codes associated with Napa County, California, based on ZIP Code Tabulation Area (ZCTA) data from the U.S. Census Bureau.


S.N. Zip Code Latitude Longitude City Population Density
1 94503 38.19454 -122.23042 American Canyon 21,852 312.1
2 94508 38.57909 -122.44451 Angwin 3,298 79.5
3 94558 38.50846 -122.26497 Napa 64,552 62.3
4 94559 38.25238 -122.29382 Napa 27,828 259.7
5 94562 38.43071 -122.40874 Oakville 0 0.0
6 94567 38.66342 -122.4349 Pope Valley 673 3.6
7 94573 38.45726 -122.42348 Rutherford 81 20.4
8 94574 38.52742 -122.39261 Saint Helena 7,646 23.8
9 94576 38.54932 -122.47581 Deer Park 130 176.7
10 94599 38.41012 -122.37365 Yountville 3,388 164.6


About Napa County ZIP Codes

Napa County in California (CA) is served by approximately 10 ZIP Codes. These codes cover residential neighborhoods, business districts, and rural areas that fall under the county's jurisdiction.

Based on ZIP-level population estimates, the total population covered by these ZIP Codes is around 129,448 people. Population and density values vary from one ZIP Code to another, reflecting the mix of dense urban communities and lower-density suburban or rural zones.

Many of the most significant population centers in Napa County are located in cities such as Napa, American Canyon, Saint Helena, Yountville, Angwin. These cities and towns help define the economic and demographic character of the county.

Most ZIP Codes in Napa County, California follow the America/Los_Angeles time zone.

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  19. Los Angeles County ZIP Codes
  20. Madera County ZIP Codes
  21. Marin County ZIP Codes
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  24. Merced County ZIP Codes
  25. Modoc County ZIP Codes
  26. Mono County ZIP Codes
  27. Monterey County ZIP Codes
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  38. San Francisco County ZIP Codes
  39. San Joaquin County ZIP Codes
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