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Area Code 510
Active Prefixes in Area Code 510
510-574
Fremont
510-664
Berkeley
510-309
El Sobrante
510-978
Oakland
510-577
Oakland
510-749
Alameda
510-601
Oakland
510-620
Richmond
510-874
Oakland
510-357
San Leandro
510-507
Oakland
510-855
Oakland
510-493
Newark
510-323
Richmond
510-908
Oakland
510-469
San Francisco
510-695
Hayward
510-554
Hayward
510-360
Fremont
510-387
Oakland
510-892
Hayward
510-270
Sunnyvale
510-623
Fremont
510-776
Richmond
510-868
San Francisco
510-980
Frnk Main, California
510-397
Hayward
510-363
Hayward
510-859
Oakland
510-224
Rodeo
510-795
Fremont
510-822
Oakland
510-918
Oakland
510-651
Fremont
510-526
Albany
510-942
Oakland
510-291
Oakland
510-956
Okld Almd, California
510-539
Oakland
510-378
Newark
510-790
Fremont
510-470
Hayward
510-769
Alameda
510-882
Oakland
510-785
Hayward
510-475
Union City
510-226
Fremont
510-327
Rodeo
510-599
Oakland
510-351
San Leandro
510-382
Oakland
510-909
Hayward
510-318
Oakland
510-758
El Sobrante
510-461
Hayward
510-710
Oakland
510-297
San Leandro
510-669
El Sobrante
510-289
Oakland
510-293
Hayward
510-960
Okld Bkly, California
510-693
Oakland
510-495
Berkeley
510-410
Oakland
510-658
Oakland
510-403
Fremont
510-677
Hayward
510-209
Hayward
510-657
Fremont
510-787
Crockett
510-233
Richmond
510-559
Albany
510-355
Oakland
510-385
Oakland
510-830
Alameda
510-823
San Francisco
510-431
Union City
510-608
Fremont
510-471
Union City
510-444
Oakland
510-835
Oakland
510-223
El Sobrante
510-849
Berkeley
510-296
Rodeo
510-538
Hayward
510-714
Newark
510-731
Hayward
510-524
Albany
510-636
Oakland
510-834
Oakland
510-374
Richmond
510-732
Hayward
510-689
Oakland
510-603
Okld Frtvl, California
510-519
Oakland
510-334
Richmond
510-954
Hayward, California
510-724
El Sobrante
510-555
Dir Asst, California
510-600
Hayward
510-453
Newark
510-483
San Leandro
510-621
San Francisco
510-683
Fremont
510-616
Okld Bkly, California
510-228
Oakland
510-505
Fremont
510-295
Oakland
510-923
Oakland
510-793
Fremont
510-885
Hayward
510-734
Richmond
510-231
Richmond
510-773
Oakland
510-521
Alameda
510-285
San Francisco
510-686
San Leandro
510-561
Oakland
510-852
Oakland
510-668
Fremont
510-860
Richmond
510-353
Fremont
510-366
Newark
510-494
Fremont
510-320
Newark
510-707
Oakland
510-579
Newark
510-977
Okld Bkly, California
510-202
Oakland
510-939
Rodeo
510-713
Fremont
510-910
Oakland
510-286
Oakland
510-531
Oakland
510-556
Newark
510-717
Berkeley
510-258
Hayward
510-815
El Sobrante
510-925
Hayward
510-645
Oakland
510-607
Okld Mn-pd, California
510-900
San Francisco
510-791
Fremont
510-938
Newark
510-809
Berkeley
510-301
Oakland
510-883
Berkeley
510-369
San Francisco
510-797
Fremont
510-996
Newark
510-931
Hayward
510-375
San Francisco
510-984
Oakland
510-219
Oakland
510-940
Hayward
510-464
Oakland
510-537
Hayward
510-751
Hayward
510-760
Hayward
510-313
Rodeo
510-712
Oakland
510-808
Oakland
510-596
Oakland
510-445
Fremont
510-627
Oakland
510-344
Fremont
510-933
San Jose
510-970
Richmond
510-536
Oakland
510-587
Oakland
510-881
Hayward
510-275
Oakland
510-762
Okld Mn-pd, California
510-991
Union City
510-573
Fremont
510-886
Hayward
510-988
Okld Frtvl, California
510-575
Oakland
510-545
Oakland
510-419
Oakland
510-659
Fremont
510-682
San Francisco
510-819
Oakland
510-872
San Francisco
510-244
Hayward
510-617
Hrcul-rode, California
510-957
San Francisco
510-895
San Leandro
510-305
Hayward
510-634
Hayward
510-379
Oakland
510-826
Hayward
510-227
Oakland
510-638
Oakland
510-412
Richmond
510-905
Okld Almd, California
510-862
Hayward
510-450
Oakland
510-218
Fremont
510-919
Oakland
510-680
Richmond
510-242
Richmond
510-663
Oakland
510-381
Oakland
510-891
Oakland
510-441
Union City
510-201
Oakland
510-273
Oakland
510-730
San Francisco
510-491
Union City
510-535
Oakland
510-255
Richmond
510-459
San Francisco
510-408
El Sobrante
510-614
San Leandro
510-263
Alameda
510-624
Fremont
510-225
San Francisco
510-999
Hayward
510-515
Oakland
510-362
Hayward
510-901
Hayward
510-540
Berkeley
510-604
Oakland
510-465
Oakland
510-779
El Sobrante
510-534
Oakland
510-423
Oakland
510-435
San Francisco
510-836
Oakland
510-217
San Francisco
510-324
Union City
510-339
Oakland
510-482
Oakland
510-741
El Sobrante
510-820
Oakland
510-588
Oakland
510-265
Hayward
510-845
Berkeley
510-266
Hayward
510-936
Fremont
510-282
Oakland
510-457
Oakland
510-948
Rodeo
510-887
Hayward
510-982
San Francisco
510-719
Oakland
510-308
Oakland
510-670
Hayward
510-322
Rodeo
510-447
Richmond
510-965
Richmond
510-558
Albany
510-367
Richmond
510-247
Hayward
510-584
Hayward
510-878
San Francisco
510-530
Oakland
510-330
Hayward
510-205
San Francisco
510-315
Hayward
510-635
Oakland
510-569
Oakland
510-230
Richmond
510-781
Hayward
510-533
Oakland
510-679
Berkeley
510-775
San Francisco
510-525
Albany
510-454
San Leandro
510-761
Oakland
510-501
Oakland
510-325
Oakland
510-655
Oakland
510-287
Oakland
510-278
Hayward
510-446
Oakland
510-474
Union City
510-800
San Francisco
510-292
Albany
510-213
Oakland
510-232
Richmond
510-642
Berkeley
510-840
Oakland
510-433
Oakland
510-547
Oakland
510-333
Oakland
510-509
Newark
510-777
Oakland
510-239
Oakland
510-214
San Francisco
510-589
Hayward
510-805
Oakland
510-274
Hayward
510-426
Richmond
510-443
Newark
510-486
Berkeley
510-871
Oakland
510-562
Oakland
510-718
Oakland
510-460
Hayward
510-953
Newark
510-390
Oakland
510-889
Hayward
510-402
Newark
510-331
Hayward
510-629
Oakland
510-488
San Francisco
510-448
Oakland
510-487
Union City
510-943
Newark
510-200
Hayward
510-961
Frnk Grnlf, California
510-512
Hayward
510-570
Oakland
510-372
Hayward
510-705
Berkeley
510-926
Oakland
510-752
Oakland
510-243
El Sobrante
510-902
Frnk Main, California
510-257
Fremont
510-210
San Francisco
510-715
Oakland
510-706
Hayward
510-544
Oakland
510-489
Union City
510-436
Oakland
510-899
Oakland
510-702
Oakland
510-746
Oakland
510-967
San Francisco
510-427
Hayward
510-317
Hayward
510-437
Oakland
510-222
El Sobrante
510-452
Oakland
510-870
Union City
510-586
Hayward
510-750
Hayward
510-343
Oakland
510-783
Hayward
510-591
Hayward
510-694
San Francisco
510-972
Union City
510-742
Fremont
510-502
Oakland
510-321
Oakland
510-481
Hayward
510-236
Richmond
510-498
Fremont
510-248
Newark
510-522
Alameda
510-917
Oakland
510-221
Oakland
510-458
Newark
510-578
Fremont
510-648
Newark
510-814
Alameda
510-828
Hayward
510-922
Oakland
510-633
Oakland
510-466
Oakland
510-979
Fremont
510-748
Alameda
510-863
San Francisco
510-810
Berkeley
510-346
San Leandro
510-612
Oakland
510-597
Oakland
510-523
Alameda
510-256
Walnut Creek
510-806
San Francisco
510-472
Oakland
510-393
San Francisco
510-906
San Francisco
510-253
Richmond
510-215
Richmond
510-955
Okld Trnid, California
510-861
Hayward
510-865
Alameda
510-424
Oakland
510-335
Newark
510-455
Crockett
510-392
Oakland
510-890
Richmond
510-974
San Francisco
510-572
Fremont
510-271
Oakland
510-571
Alameda
510-792
Fremont
510-298
Newark
510-764
San Francisco
510-492
Fremont
510-932
San Francisco
510-480
El Sobrante
510-736
Hayward
510-508
Oakland
510-801
Oakland
510-934
Oakland
510-220
Oakland
510-864
Alameda
510-347
San Leandro
510-420
Oakland
510-576
Hayward
510-610
Oakland
510-606
Hayward
510-518
Newark
510-759
Oakland
510-867
Oakland
510-784
Hayward
510-847
Berkeley
510-725
Walnut Creek
510-796
Fremont
510-949
Rodeo
510-307
Richmond
510-409
Oakland
510-842
San Francisco
510-234
Richmond
510-358
Newark
510-260
Oakland
510-288
Oakland
510-920
Okld Mn-pd, California
510-328
Oakland
510-656
Fremont
510-685
Richmond
510-851
Oakland
510-595
Oakland
510-552
Newark
510-649
Berkeley
510-838
San Francisco
510-807
Hayward, California
510-503
Oakland
510-721
Oakland
510-739
Fremont
510-839
Oakland
510-735
Oakland
510-766
Newark
510-786
Hayward
510-418
Oakland
510-935
Hayward
510-738
Fremont
510-430
Oakland
510-212
Fremont
510-964
El Sobrante
510-772
Oakland
510-428
Oakland
510-249
Fremont
510-692
Oakland
510-640
El Sobrante
510-804
Elsbr-pinl, California
510-880
Hayward
510-661
Fremont
510-913
Oakland
510-429
Union City
510-583
Hayward
510-709
Newark
510-929
Okld Mn-pd, California
510-875
Oakland
510-876
Hayward
510-421
Oakland
510-857
Newark
510-462
Union City
510-277
Oakland
510-723
Hayward
510-688
Hayward
510-947
Oakland
510-653
Oakland
510-726
Crockett
510-898
San Francisco
510-921
Hayward
510-946
Fremont
510-879
San Francisco
510-246
Hayward
510-632
Oakland
510-532
Oakland
510-829
Oakland
510-904
San Francisco
510-813
Oakland
510-743
Fremont
510-853
Oakland
510-388
Oakland
510-812
Berkeley
510-896
Newark
510-997
Oakland
510-517
Oakland
510-405
Newark
510-348
Oakland
510-691
Rodeo
510-968
Newark
510-261
Oakland
510-350
Oakland
510-391
Oakland
510-581
Hayward
510-937
Crockett
510-824
Fremont
510-361
Hayward
510-609
Richmond, California
510-290
San Francisco
510-756
Oakland
510-264
Hayward
510-778
Richmond
510-568
Oakland
510-727
Hayward
510-394
Oakland
510-279
Fremont
510-765
El Sobrante
510-789
Newark
510-283
El Sobrante
510-504
Oakland
510-740
Oakland
510-846
Oakland
510-994
Richmond, California
510-681
San Francisco
510-207
Oakland
510-992
Oakland
510-300
Hayward
510-780
Hayward
510-479
San Francisco
510-914
Oakland
510-400
Fremont
510-332
Oakland
510-356
Berkeley
510-605
Hayward, California
510-546
Berkeley
510-788
San Francisco
510-268
Oakland
510-438
Fremont
510-976
Okld Bkly, California
510-983
Frnk Olivr, California
510-858
San Francisco
510-336
Oakland
510-873
Oakland
510-294
Hayward
510-520
Oakland
510-837
Richmond
510-962
Hayward
510-365
Berkeley
510-626
Oakland
510-987
Oakland
510-619
San Francisco
510-254
San Francisco
510-272
Oakland
510-768
San Francisco
510-204
Berkeley
510-893
Oakland
510-585
Fremont
510-763
Oakland
510-439
Oakland
510-884
Hayward
510-821
Oakland
510-643
Berkeley
510-639
Oakland
510-500
Oakland
510-284
Fremont
510-897
Fremont
510-506
Oakland
510-456
San Jose
510-687
Fremont
510-894
Newark
510-827
San Francisco
510-593
San Francisco
510-930
Okld Frtvl, California
510-903
San Francisco
510-563
Oakland
510-850
Oakland
510-349
Richmond
510-928
Oakland
510-729
Oakland
510-844
Oakland
510-774
Oakland
510-467
Oakland
510-975
Okld Almd, California
510-701
Oakland
510-966
Union City
510-802
Oakland
510-245
Hercules
510-359
Hayward
510-560
Hayward
510-235
Richmond
510-337
Alameda
510-684
San Francisco
510-342
Hayward
510-476
Union City
510-380
Oakland
510-549
Berkeley
510-406
Oakland
510-208
Oakland
510-514
Hayward
510-485
Oakland
510-755
Hayward
510-550
Oakland
510-798
San Francisco
510-615
Oakland
510-720
Oakland
510-915
Oakland
510-516
Newark
510-326
Oakland
510-564
San Francisco
510-312
Hayward
510-757
San Francisco
510-662
El Sobrante
510-952
Union City
510-473
San Francisco
510-817
Oakland
510-708
Oakland
510-276
Hayward
510-527
Albany
510-541
Oakland
510-676
Newark
510-314
Hayward
510-733
Hayward
510-856
Hayward
510-251
Oakland
510-990
San Francisco
510-259
Hayward
510-598
Newark
510-548
Berkeley
510-229
Oakland
510-206
Oakland
510-647
Berkeley
510-478
San Francisco
510-888
Hayward
510-803
Rodeo
510-497
Fremont
510-496
Oakland
510-490
Fremont
510-986
Oakland
510-281
Oakland
510-582
Hayward
510-628
Oakland
510-551
San Francisco
510-782
Hayward
510-306
San Francisco
510-675
Union City
510-744
Fremont
510-484
San Francisco
510-963
Hayward
510-580
Fremont
510-432
Hayward
510-401
Union City
510-927
Oakland
510-753
Oakland
510-262
El Sobrante
510-371
Newark
510-678
San Leandro
510-250
Oakland
510-690
Hayward
510-613
Oakland
510-404
Union City
510-477
Union City
510-866
San Francisco
510-329
Hayward
510-747
Alameda
510-310
Oakland
510-396
Newark
510-622
Oakland
510-665
Berkeley
510-771
Fremont
510-637
Oakland
510-696
Oakland
510-302
Oakland
510-945
Union City
510-770
Fremont
510-415
Hayward
510-370
Hayward
510-340
Hayward
510-995
Oakland
510-345
Berkeley
510-417
El Sobrante
510-542
San Francisco
510-799
Hercules
510-241
El Sobrante
510-944
Berkeley
510-384
Oakland
510-557
Newark
510-698
Oakland
510-567
Oakland
510-594
Oakland
510-238
Oakland
510-543
San Francisco
510-667
San Leandro
510-451
Oakland
510-399
Newark
510-354
Fremont
510-825
Hayward
510-816
Oakland
510-833
Oakland
510-416
Berkeley
510-553
Oakland
510-644
Berkeley
510-674
Hayward
510-625
Oakland
510-376
Newark
510-414
Oakland
510-269
San Francisco
510-716
Oakland
510-398
Hayward
510-907
Oakland
510-754
Hayward
510-989
Okld Bkly, California
510-434
Oakland
510-832
Oakland
510-422
Oakland
510-237
Richmond
510-386
Newark
510-280
Berkeley
510-319
Fremont
510-442
Oakland
510-646
San Francisco
510-869
Oakland
510-941
Union City
510-513
Newark
510-703
Oakland
510-425
Oakland
510-652
Oakland
510-602
Newark
510-722
Crockett
510-364
Newark
510-877
San Francisco
510-383
Oakland
510-666
Berkeley
510-304
Newark
510-631
Berkeley
510-794
Fremont
510-697
Oakland
510-981
Berkeley
510-704
Berkeley
510-854
El Sobrante
510-316
Oakland
510-841
Berkeley
510-998
Elsbr-pinl, California
510-673
Newark
510-985
Oakland
510-660
Richmond
510-463
Oakland
510-395
Oakland
510-924
Oakland
510-672
Richmond
510-499
Oakland
510-618
San Leandro
510-818
Fremont
510-590
Oakland
510-389
Oakland
510-529
Richmond
510-449
Newark
510-737
Newark
510-303
Hayward
510-407
Oakland
510-566
Hayward
510-654
Oakland
510-848
Berkeley
510-373
Oakland
510-468
Newark
510-528
Albany
510-252
Fremont
510-240
Union City
510-912
Oakland
510-728
Hayward
510-440
Fremont
510-267
Oakland
510-592
Rodeo
510-299
Newark
510-969
Oakland
510-745
Fremont
510-843
Berkeley
510-671
San Francisco
510-993
San Francisco
510-413
Fremont
510-565
Newark
510-338
Oakland
510-203
Newark
510-368
Oakland
510-377
Newark
510-699
Oakland
510-650
Elsbr-pinl, California
510-352
San Leandro