ZIP Code 94531 – Antioch, California | ZipsCode.us
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ZIP Code 94531
Antioch, California · Contra Costa
ZIP code 94531 belongs to the city of Antioch in California (Contra Costa). See all California ZIP Codes.
ZIP code 94531 belongs to Antioch, California, in Contra Costa. If you are mailing a letter or package to this area, use Antioch, CA 94531 in the address. On this page you will find the city and county for 94531, nearby ZIP codes in the same county, and free tools to look up any address in this ZIP code.
What City Is ZIP Code 94531?
The city for ZIP code 94531 is Antioch, California. When you write an address in this area, the correct format is: Name, Street Address, Antioch, CA 94531.
ZIP Code 94531 County and State
ZIP code 94531 is located in Contra Costa, California. For a complete list of cities and ZIP codes across the state, see the California ZIP Codes page.
Nearby ZIP Codes in Contra Costa
These ZIP codes are in the same county as 94531:
ZIP Code 94531 on the Map
The map below shows the approximate center of ZIP code 94531, near Antioch, California. You can zoom in and drag the map to explore the area.
Map center is approximate (ZIP area center, around 37.9658, -121.7758). Map data © OpenStreetMap.
Population and Demographics of ZIP Code 94531
According to public U.S. Census Bureau data, ZIP code 94531 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 94531
Need the full ZIP+4 code for a specific street address in Antioch? 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 94531?
ZIP code 94531 is for Antioch, California.
What county is ZIP code 94531 in?
ZIP code 94531 is in Contra Costa, California.
What state is ZIP code 94531 in?
ZIP code 94531 is in California (CA).
How do I find the ZIP+4 for an address in 94531?
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 94531?
Nearby ZIP codes include 94505 (Discovery Bay), 94506 (Danville), 94507 (Alamo), 94509 (Antioch), 94511 (Bethel Island).
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