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