ZIP Code 94531 – Antioch, California
The 94531 ZIP Code belongs to Antioch, California. The population in this 94531 ZIP code is 44,746. The latitude is 37.95665 and longitude is -121.77777 in 94531 Antioch, California. The time zone for this 94531 ZIP code is America/Los_Angeles.
| City | Antioch |
| Zip Code | 94531 |
| State | California |
| County | Contra Costa |
| Population | 44,746 |
| Latitude | 37.95665 |
| Longitude | -121.77777 |
| Time Zone | America/Los_Angeles |