Locations for Area Code - 925

Area code 925 serves the East Bay region of California, including cities such as Walnut Creek, Concord, Pleasanton, and Livermore. Created in 1998 from a split with 510, it supports a mix of affluent suburban communities and growing tech corridors. It lies within commuting distance of San Francisco and Silicon Valley, offering a blend of residential comfort and professional opportunity. Ten-digit dialing is required. Area code 925 has become synonymous with the East Bay’s dynamic growth and serves as a modern marker of suburban sophistication within the greater Bay Area.