Where Is 510 Area Code?
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Database Updated: July 6, 2025
Cities in 510 Area Code
- Castro Valley
- San Lorenzo
- Ashland
- Cherryland
- El Sobrante
- Fairview
- Rodeo
- Tara Hills
- Kensington
- North Richmond
- East Richmond Heights
- Crockett
- Rollingwood
- Montalvin Manor
- Bayview
- Port Costa
- Sunol
Counties in 510 Area Code
Prefix Codes for Area Code 510
- (510) 200
- (510) 201
- (510) 202
- (510) 204
- (510) 205
- (510) 206
- (510) 207
- (510) 208
- (510) 209
- (510) 210
- (510) 212
- (510) 213
- (510) 214
- (510) 215
- (510) 216
- (510) 217
- (510) 218
- (510) 219
- (510) 220
- (510) 221
- (510) 222
- (510) 223
- (510) 224
- (510) 225
- (510) 226
- (510) 227
- (510) 228
- (510) 229
- (510) 230
- (510) 231
- (510) 232
- (510) 233
- (510) 234
- (510) 235
- (510) 236
- (510) 237
- (510) 238
- (510) 239
- (510) 240
- (510) 242
California Area Codes