Area codes in Pittsburg, California
Pittsburg, California uses area code 925. The main Pittsburg area code is 925.
Area codes serving Pittsburg
Phone numbers in Pittsburg are written as ten digits — for example (925) 555-0190 — and fall in the Pacific Time zone.
All California area codes · Is a Pittsburg call a scam?
Nearby cities
- Antioch area codes
- Concord area codes
- Walnut Creek area codes
- Brentwood area codes
- Danville area codes
- San Ramon area codes
- Fairfield area codes
- Vallejo area codes
More cities in California
- Los Angeles area codes
- San Diego area codes
- San Francisco area codes
- Sacramento area codes
- San Jose area codes
- Fresno area codes
- Long Beach area codes
- Oakland area codes
Frequently asked questions
What is the area code for Pittsburg?
The main area code for Pittsburg, California is 925.
How many area codes does Pittsburg have?
Pittsburg has 1 area code: 925.
How do you dial a Pittsburg number?
Dial all 10 digits — the area code (925) followed by the 7-digit local number. From abroad, dial +1, then the area code and number.
Sourced from the official NANPA (North American Numbering Plan Administrator) numbering database, current as of August 2, 2026. Refreshed monthly.