Area Code 925 is located in California, USA. It serves the main area of Concord, Antioch, Livermore and many more. The code was put into service on March 14th 1998 as an overlay complex of Area Code 916/Area Code 279.

California Counties within Area Code 925

Alameda, and Contra Costa.

California Major Cities within Area Code 925

Almeda, Contra Costa, Antioch, Bay Point, Brentwood, Concord, Danville, Dublin, Lafayette, Livermore, Martinez, Oakley, Pittsburg, Pleasant Hill, Pleasanton, San Ramon, and Walnut Creek.

Area Code 925 Time Zone?

925 is located in the Pacific time zone, which is known as America/Los Angeles.