Area codes in Livermore, California
Livermore, California uses area code 925. The main Livermore area code is 925.
Area codes serving Livermore
All California area codes · Is a Livermore call a scam?
Nearby cities
- Pleasanton area codes
- Dublin area codes
- Danville area codes
- San Ramon area codes
- Fremont area codes
- Union City area codes
- Brentwood area codes
- Hayward area codes
Sourced from the official NANPA (North American Numbering Plan Administrator) numbering database, current as of June 20, 2026. Refreshed monthly.