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Purchase 925 area code phone numbers for your business


The 925 area code covers parts of the inland portions of the Bay Area counties of Alameda and Contra Costa in Northern California. This area code spans 1,172.57 square miles and includes a population of 1,146,403 people. The 925 area code includes the East Bay cities, and major industries in the 925 area code are education and social services, professional and business services, retail trade, manufacturing, and construction. The area is home to the Lawrence Livermore National Laboratory, a federally funded research and development center. RingCentral offers instant setup and includes unlimited calling, conferencing, SMS, and Internet Fax with your 925 phone numbers. Start your free trial today!

Cities in the 925 area code are AntiochSan RamonWalnut CreekConcordLivermore, and Pleasanton.