Geographic Regions and Area Codes

Area Code 510 is located in the state of California and primarily serves the East Bay region of the San Francisco Bay Area. This area code includes major cities such as Oakland, Berkeley, Hayward, Fremont, and Alameda. The region is known for its diverse and vibrant communities, making it an attractive location for businesses of all types. Area Code 510 is overlaid by Area Code 341, which was introduced to meet the growing demand for new phone numbers. Surrounding area codes include: