ZIP Code 94503 – American Canyon, California | ZipsCode.us
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ZIP Code 94503
American Canyon, California · Napa
ZIP code 94503 belongs to the city of American Canyon in California (Napa). See all California ZIP Codes.
ZIP code 94503 belongs to American Canyon, California, in Napa. If you are mailing a letter or package to this area, use American Canyon, CA 94503 in the address. On this page you will find the city and county for 94503, nearby ZIP codes in the same county, and free tools to look up any address in this ZIP code.
What City Is ZIP Code 94503?
The city for ZIP code 94503 is American Canyon, California. When you write an address in this area, the correct format is: Name, Street Address, American Canyon, CA 94503.
ZIP Code 94503 County and State
ZIP code 94503 is located in Napa, California. For a complete list of cities and ZIP codes across the state, see the California ZIP Codes page.
Nearby ZIP Codes in Napa
These ZIP codes are in the same county as 94503:
ZIP Code 94503 on the Map
The map below shows the approximate center of ZIP code 94503, near American Canyon, California. You can zoom in and drag the map to explore the area.
Map center is approximate (ZIP area center, around 38.1668, -122.2553). Map data © OpenStreetMap.
Population and Demographics of ZIP Code 94503
According to public U.S. Census Bureau data, ZIP code 94503 is home to a community in California. The figures below come from the U.S. Census and the American Community Survey (ACS).
Source: U.S. Census Bureau, American Community Survey (ACS) 2023 5-year estimates and 2023 Gazetteer. Figures are estimates and change with each new survey.
Find an Address in ZIP Code 94503
Need the full ZIP+4 code for a specific street address in American Canyon? Use the free ZIP+4 Lookup tool, or find any ZIP code from a street address with the ZIP Code by Address tool.
Frequently Asked Questions
What city is ZIP code 94503?
ZIP code 94503 is for American Canyon, California.
What county is ZIP code 94503 in?
ZIP code 94503 is in Napa, California.
What state is ZIP code 94503 in?
ZIP code 94503 is in California (CA).
How do I find the ZIP+4 for an address in 94503?
Use the free ZIP+4 Lookup tool with the full street address to get the complete 9-digit ZIP code.
What are the nearby ZIP codes to 94503?
Nearby ZIP codes include 94508 (Angwin), 94515 (Calistoga), 94558 (Napa), 94559 (Napa), 94562 (Oakville).
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