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ZIP Codes in Napa, CALIFORNIA

Find complete information about all ZIP codes in Napa, California. Our interactive map shows the postal code boundaries and locations throughout the city.

Napa Postal Codes

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.

Código Postal CALIFORNIA city NAPA - zip code Estados Unidos USA
ZIP Code (Zip Code) - Representación de área del código postal de los correos de los Estados Unidos.
Código Postal EEUU - CALIFORNIA - NAPA
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
Código Postal EEUU - CALIFORNIA - NAPA

Definitions of Status

  • PRIMARY: Refers to the main name of the city, typically its official designation. Although the city might have an ACCEPTABLE alternative name, the primary name remains the official one.
  • ACCEPTABLE: Indicates a suitable alternative city name. Commonly abbreviated city names are often listed as unacceptable because abbreviations are not considered an acceptable city name format.
  • IMPROPER/NOT ACCEPTABLE: Denotes that an inappropriate city name was entered or received based on the provided information.
  • UNIQUE: Assigned to a business, government agency, or entity with a significant mail volume. This designation depends on the average daily volume of letter-sized mail received, the availability of ZIP code numbers in the postal area, and a cost-benefit analysis by the postal service.