Area code 510 serves the East Bay region of the San Francisco Bay Area, including Oakland, Berkeley, Fremont, and Hayward. Established in 1991 from a split with 415, it was overlaid with 341 in 2019, requiring ten-digit dialing. The 510 region is known for its cultural diversity, academic institutions like UC Berkeley, and tech corridors extending from Silicon Valley. Oakland’s prominence in arts, activism, and sports adds to the area’s cultural cachet. Area code 510 is a highly recognizable identifier for the East Bay’s progressive, eclectic, and dynamic spirit.
Locations for Area Code - 510
Browse all cities and areas that belong to this area code.
Alameda
- State: CA
- Population: 232,206
- Latitude: 37.54827, Longitude: -121.98857
- Elevation: 17 m
Berkeley
- State: CA
- Population: 120,972
- Latitude: 37.87159, Longitude: -122.27275
- Elevation: 52 m
Castro Valley
- State: CA
- Population: 61,388
- Latitude: 37.6941, Longitude: -122.08635
- Elevation: 50 m
El Cerrito
- State: CA
- Population: 23,549
- Latitude: 37.91576, Longitude: -122.31164
- Elevation: 21 m
Fremont
- State: CA
- Population: 232,206
- Latitude: 37.54827, Longitude: -121.98857
- Elevation: 17 m
Hayward
- State: CA
- Population: 158,289
- Latitude: 37.66882, Longitude: -122.0808
- Elevation: 34 m
Newark
- State: CA
- Population: 45,336
- Latitude: 37.52966, Longitude: -122.04024
- Elevation: 6 m
Oakland
- State: CA
- Population: 419,267
- Latitude: 37.80437, Longitude: -122.2708
- Elevation: 13 m
Richmond
- State: CA
- Population: 109,708
- Latitude: 37.93576, Longitude: -122.34775
- Elevation: 14 m
San Leandro
- State: CA
- Population: 90,712
- Latitude: 37.72493, Longitude: -122.15608
- Elevation: 15 m
San Lorenzo
- State: CA
- Population: 23,452
- Latitude: 37.68104, Longitude: -122.12441
- Elevation: 13 m
San Pablo
- State: CA
- Population: 30,407
- Latitude: 37.96215, Longitude: -122.34553
- Elevation: 16 m
Union City
- State: CA
- Population: 74,494
- Latitude: 37.59577, Longitude: -122.01913
- Elevation: 21 m
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