Prefixes with phone numbers reported to the Federal Trade Commission and Federal Communications Commission
| Prefix | Phone Numbers | Last Complaint |
|---|---|---|
| 510-750 | 10 | April 7, 2019 |
| 510-984 | 21 | April 7, 2019 |
| 510-842 | 19 | April 7, 2019 |
| 510-258 | 31 | April 7, 2019 |
| 510-470 | 29 | April 7, 2019 |
| 510-430 | 7 | April 7, 2019 |
| 510-649 | 6 | April 7, 2019 |
| 510-342 | 20 | April 7, 2019 |
| 510-722 | 40 | April 7, 2019 |
| 510-641 | 5 | April 7, 2019 |
| 510-962 | 97 | April 7, 2019 |
| 510-565 | 23 | April 7, 2019 |
| 510-581 | 67 | April 7, 2019 |
| 510-898 | 18 | April 7, 2019 |
| 510-241 | 208 | April 7, 2019 |
| 510-823 | 20 | April 7, 2019 |
| 510-229 | 74 | April 7, 2019 |
| 510-967 | 31 | April 7, 2019 |
| 510-257 | 34 | April 7, 2019 |
| 510-437 | 17 | April 7, 2019 |
| 510-621 | 43 | April 7, 2019 |
| 510-516 | 21 | April 7, 2019 |
| 510-221 | 30 | April 7, 2019 |
| 510-926 | 22 | April 7, 2019 |
| 510-323 | 39 | April 6, 2019 |
| 510-963 | 146 | April 6, 2019 |
| 510-461 | 37 | April 6, 2019 |
| 510-864 | 18 | April 6, 2019 |
| 510-240 | 129 | April 6, 2019 |
| 510-538 | 25 | April 6, 2019 |
| 510-533 | 14 | April 6, 2019 |
| 510-278 | 21 | April 6, 2019 |
| 510-369 | 45 | April 6, 2019 |
| 510-776 | 22 | April 6, 2019 |
| 510-958 | 4 | April 6, 2019 |
| 510-721 | 4 | April 6, 2019 |
| 510-374 | 27 | April 6, 2019 |
| 510-731 | 27 | April 6, 2019 |
| 510-528 | 22 | April 6, 2019 |
| 510-986 | 12 | April 6, 2019 |
| 510-519 | 25 | April 6, 2019 |
| 510-900 | 14 | April 6, 2019 |
| 510-863 | 15 | April 6, 2019 |
| 510-277 | 16 | April 5, 2019 |
| 510-568 | 42 | April 5, 2019 |
| 510-623 | 25 | April 5, 2019 |
| 510-398 | 39 | April 5, 2019 |
| 510-235 | 29 | April 5, 2019 |
| 510-421 | 21 | April 5, 2019 |
| 510-684 | 78 | April 5, 2019 |
| 510-868 | 32 | April 5, 2019 |
| 510-522 | 77 | April 5, 2019 |
| 510-877 | 104 | April 5, 2019 |
| 510-884 | 5 | April 5, 2019 |
| 510-653 | 35 | April 5, 2019 |
| 510-872 | 33 | April 5, 2019 |
| 510-247 | 13 | April 5, 2019 |
| 510-934 | 7 | April 5, 2019 |
| 510-610 | 38 | April 5, 2019 |
| 510-672 | 16 | April 5, 2019 |
| 510-267 | 4 | April 5, 2019 |
| 510-655 | 18 | April 5, 2019 |
| 510-463 | 16 | April 5, 2019 |
| 510-906 | 47 | April 5, 2019 |
| 510-919 | 43 | April 5, 2019 |
| 510-523 | 49 | April 5, 2019 |
| 510-499 | 31 | April 5, 2019 |
| 510-327 | 16 | April 5, 2019 |
| 510-800 | 4 | April 5, 2019 |
| 510-279 | 16 | April 5, 2019 |
| 510-604 | 54 | April 5, 2019 |
| 510-612 | 23 | April 5, 2019 |
| 510-407 | 46 | April 5, 2019 |
| 510-698 | 6 | April 5, 2019 |
| 510-578 | 82 | April 5, 2019 |
| 510-443 | 28 | April 5, 2019 |
| 510-423 | 18 | April 5, 2019 |
| 510-881 | 12 | April 5, 2019 |
| 510-534 | 19 | April 5, 2019 |
| 510-826 | 102 | April 5, 2019 |
| 510-844 | 18 | April 5, 2019 |
| 510-529 | 34 | April 5, 2019 |
| 510-284 | 25 | April 5, 2019 |
| 510-746 | 11 | April 5, 2019 |
| 510-296 | 38 | April 5, 2019 |
| 510-306 | 23 | April 5, 2019 |
| 510-444 | 34 | April 5, 2019 |
| 510-778 | 19 | April 5, 2019 |
| 510-303 | 69 | April 5, 2019 |
| 510-512 | 53 | April 5, 2019 |
| 510-505 | 18 | April 5, 2019 |
| 510-584 | 18 | April 5, 2019 |
| 510-992 | 9 | April 5, 2019 |
| 510-248 | 23 | April 5, 2019 |
| 510-254 | 37 | April 5, 2019 |
| 510-580 | 15 | April 5, 2019 |
| 510-526 | 146 | April 5, 2019 |
| 510-261 | 21 | April 5, 2019 |
| 510-780 | 6 | April 5, 2019 |
| 510-674 | 32 | April 5, 2019 |
| Type: General Purpose Code |
| Use: Geograpic |
| Location: CALIFORNIA |
| Country: UNITED STATES |
| Service Date: 1991-09-02 |
| Service: - |
Other area codes serving CALIFORNIA, UNITED STATES