ZIP Code 94531: Antioch, California
Antioch, CA uses ZIP code 94531, which falls within Contra Costa County, California. Its reference point is at latitude 37.9658 and longitude -121.7758 (37°57'56.9"N 121°46'32.9"W).
Location Overview of ZIP Code 94531
Antioch, CA has 2 ZIP codes in our directory. Besides 94531, they include 94509.
Across Contra Costa County there are 51 ZIP codes listed, and California has 2,792 in total.
The nearest listed ZIP code is 94509 in Antioch, CA, about 2.6 mi to the northwest.
| ZIP code | 94531 |
|---|---|
| City | Antioch |
| County | Contra Costa County |
| State | California (CA) |
| Latitude | 37.9658 |
| Longitude | -121.7758 |
| DMS | 37°57'56.9"N 121°46'32.9"W |
| Nearest ZIP | 94509 (Antioch, 2.6 mi) |
Map of ZIP Code 94531
Map centered on 37.9658, -121.7758. The pin marks the ZIP code's reference point, not its boundary.
Photos of Antioch, CA
Video: Antioch, CA
Exploring Black Diamond Mines in Antioch, California USA Walking Tour #blackdiamondmines #antioch — by Exploration To Go · Watch on YouTube
ZIP Codes Near 94531
These 15 ZIP codes have the closest reference points to 94531, measured in a straight line.
Nearby Cities and Towns
The closest communities to ZIP code 94531, measured in a straight line from its reference point, are Oakley, CA (4.4 mi northeast), Brentwood, CA (5.2 mi southeast) and Knightsen, CA (6.0 mi east). Distances are approximate and road distances will be longer.
- Oakley, CA – 4.4 mi northeast
- Brentwood, CA – 5.2 mi southeast
- Knightsen, CA – 6.0 mi east
- Clayton, CA – 8.1 mi southwest
- Pittsburg, CA – 8.1 mi west
- Bethel Island, CA – 8.4 mi northeast
- Concord, CA – 10.0 mi west
- Discovery Bay, CA – 10 mi southeast
- Danville, CA – 12 mi southwest
- Byron, CA – 13 mi southeast
Schools Near Antioch, CA
Public school assignments in the United States are based on street address, so families in ZIP code 94531 should confirm their assigned school with the school district that serves Antioch and Contra Costa County.
Searching nearby communities such as Oakley and Brentwood can widen the list of public, private and charter options. The links below open live Google Maps results centered on 94531.
Parks and Outdoor Recreation
Parks, trails and playgrounds around Antioch, CA are easiest to find on the map above or with the searches below, which are centered on ZIP code 94531.
Hospitals and Healthcare
Hospitals, urgent care clinics and pharmacies serving Antioch, CA can be found with the searches below. In a medical emergency, call 911.
Residents of ZIP code 94531 may also use facilities in nearby Oakley, Brentwood and Knightsen.
Shopping and Dining in Antioch
Restaurants, grocery stores and shopping centers in and around ZIP code 94531 are listed in the Google Maps searches below, with current hours and reviews.
Libraries and Historical Places
Public libraries, museums and historic sites near Antioch, California can be found with the searches below, which are centered on ZIP code 94531.
To research local history, try searching for Contra Costa County records and archives along with the name Antioch.
Roads, Rivers and Lakes
From ZIP code 94531, Oakley lies about 4.4 mi to the northeast, Brentwood lies about 5.2 mi to the southeast, Knightsen lies about 6.0 mi to the east, Clayton lies about 8.1 mi to the southwest and Pittsburg lies about 8.1 mi to the west. Use the directions link for turn-by-turn routes and road names.
Rivers, lakes and other water features near Antioch show up on the map above, or you can search for them directly.
Frequently Asked Questions About ZIP Code 94531
Photo & Video Credits
- Photo 1 (“Shannon-Williamson Ranch (Antioch, CA)”): Sanfranman59, CC BY-SA 3.0, via Wikimedia Commons.
- Video: “Exploring Black Diamond Mines in Antioch, California USA Walking Tour #blackdiamondmines #antioch” by Exploration To Go, embedded from YouTube. All rights belong to the creator.
Photos are shown from their original source under the licenses listed. They were taken near this ZIP code's reference point and may show neighboring areas.
Data for ZIP code 94531 comes from a public U.S. postal code dataset and is provided for general reference. Always confirm mailing details with the U.S. Postal Service.