Area codes in Dublin, California

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

Area codes serving Dublin

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

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

Nearby cities

More cities in California

Frequently asked questions

What is the area code for Dublin?

The main area code for Dublin, California is 925.

How many area codes does Dublin have?

Dublin has 1 area code: 925.

How do you dial a Dublin 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.