Area Code 925 — California

Active General Purpose Code United States

Area code 925 is located in California and operates on Pacific Time . The largest city served is Concord .

Coverage Area

Area code 925 — California

Area Code Details

Area Code: 925
State / Province: California (CA)
Country: United States
Time Zone: Pacific Time Pacific Time
Local Time Now: —
Status: Active
Code Type: General Purpose Code
In Service Since: March 14, 1998
Assigned: May 19, 1997
Population Served: ~560,273 est.

Cities Served

Largest City Concord

Concord Livermore Pleasanton Pittsburg Walnut Creek Danville Martinez Lafayette Moraga East Contra Costa Bishop Ranch Dublin-San Ramon Sunol

History & Relationships

Split from

Rate Centers & Exchanges

13 rate centers identified within area code 925

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Other Area Codes in California

Nearby Area Codes

Frequently Asked Questions About Area Code 925

What state is area code 925?

Area code 925 is located in California, United States.

Where is area code 925 from?

Area code 925 originates from California. It operates in the Pacific Time zone.

What time zone is area code 925?

Area code 925 falls within the Pacific Time zone (Pacific Time).

What cities are in area code 925?

Area code 925 serves cities including Concord, Livermore, Pleasanton, Pittsburg, Walnut Creek, Danville, Martinez, Lafayette, and more.

Is a call from area code 925 a scam?

Area code 925 is a legitimate general purpose code area code serving California. Like any area code, individual numbers using 925 can be used for scam calls — always verify the specific number if you receive an unexpected or suspicious call.