Area codes in Concord, California

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

Area codes serving Concord

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

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

Nearby cities

More cities in California

Frequently asked questions

What is the area code for Concord?

The main area code for Concord, California is 925.

How many area codes does Concord have?

Concord has 1 area code: 925.

How do you dial a Concord 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.