ZIP Code 94509 Area Code

Antioch, California

Area Code

209, 213, 310, 415, 510, 619, 626, 650, 714, 818, 916, 949

Primary area codes for California (per-ZIP data not available)

Location

ZIP Code94509
CityAntioch
StateCalifornia (CA)
CountyContra Costa

Frequently Asked Questions

ZIP code 94509 is in Antioch, California. The primary area codes for California are 209, 213, 310, 415, 510, 619, 626, 650, 714, 818, 916, 949.

ZIP code 94509 is in Antioch, California.

ZIP Code 94509

ZIP Code Overview Time Zone Population Demographics Map