Area codes in Livermore, California

Livermore, California uses area code 925. The main Livermore area code is 925.

Area codes serving Livermore

Phone numbers in Livermore are written as ten digits — for example (925) 555-0190 — and fall in the Pacific Time zone.

All California area codes · Is a Livermore call a scam?

Nearby cities

More cities in California

Frequently asked questions

What is the area code for Livermore?

The main area code for Livermore, California is 925.

How many area codes does Livermore have?

Livermore has 1 area code: 925.

How do you dial a Livermore 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.