Area codes in Concord, California
Concord, California uses area code 925. The main Concord area code is 925.
Area codes serving Concord
All California area codes · Is a Concord call a scam?
Nearby cities
- Walnut Creek area codes
- Pittsburg area codes
- Danville area codes
- San Ramon area codes
- Antioch area codes
- Berkeley area codes
- Oakland area codes
- Dublin area codes
Sourced from the official NANPA (North American Numbering Plan Administrator) numbering database, current as of June 20, 2026. Refreshed monthly.