94509
Antioch, Contra Costa - United States
Postal code 94509 corresponds to Antioch, Contra Costa, in California (United States).
- Country
- United States (US)
- Department
- California
- Municipality
- Contra Costa
- Coordinates
- 37.9939, -121.8089Degrees, minutes, seconds: 37°59'38"N 121°48'32"W
- Time zone
- America/Los_Angeles (UTC-8)
- Dialing code
- +1
How to write the address
Antioch, California 94509 United States
Nearby codes