510 Area Code: Location, Cities, Map & Phone Number Guide
The 510 area code covers the East Bay region of Northern California, predominantly serving western Alameda County and parts of western Contra Costa County. It includes major cities like Oakland, Be...
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The 510 area code covers the East Bay region of Northern California, predominantly serving western Alameda County and parts of western Contra Costa County. It includes major cities like Oakland, Berkeley, Fremont, Hayward, Richmond, and others, and shares the region via an overlay with area code 341. Where Exactly is the 510 Area Code? The […]