94531 Zip Code Antioch Contra Costa

Today Aug 06, 2026, ZIP Code 94531 is located in Antioch, California, in County Contra Costa. It serves as an essential reference for accurate mail delivery, this ZIP Code assists identify the accurate postal area for residential and business addresses.

94531 Zip Code – Contra Costa, Antioch, CA

The 94531 zip code serves Contra Costa. It is a neighborhood in Antioch, California. This code is important for accurate mail delivery. It can also help you find local amenities such as schools, parks and community events. By using zip codes like 94531 you can explore different neighborhoods, it also shows what makes each area unique.

Demographics of Zip Code 94531

Located in Antioch, California, zip code 94531 has a specific population and density that reflect the local community.

Finding the Right Zip Code for Antioch, Contra Costa County

If you need to send mail to Antioch Contra Costa county, you can easily find the zip code online or by visiting your local post office.

FAQs

How many digits is the Contra Costa zip code?

The Contra Costa zip code in Antioch is a five-digit number used to identify this specific area.

Does the Contra Costa zip code ever change?

Zip codes may change due to postal service updates or administrative reasons. If you are looking for the Contra Costa zip code always check for the most current information from official postal sources or local post offices.

Which county is zip code 94531 in?

Zip code 94531 covers areas within Contra Costa county, California.