Prefixes with phone numbers reported to the Federal Trade Commission and Federal Communications Commission
| Prefix | Phone Numbers | Last Complaint |
|---|---|---|
| 831-244 | 42 | April 7, 2019 |
| 831-709 | 17 | April 7, 2019 |
| 831-600 | 20 | April 7, 2019 |
| 831-679 | 9 | April 7, 2019 |
| 831-731 | 10 | April 6, 2019 |
| 831-222 | 36 | April 6, 2019 |
| 831-221 | 103 | April 6, 2019 |
| 831-218 | 81 | April 6, 2019 |
| 831-274 | 14 | April 5, 2019 |
| 831-535 | 27 | April 5, 2019 |
| 831-726 | 3 | April 5, 2019 |
| 831-588 | 84 | April 5, 2019 |
| 831-277 | 46 | April 5, 2019 |
| 831-287 | 14 | April 5, 2019 |
| 831-449 | 13 | April 5, 2019 |
| 831-293 | 17 | April 5, 2019 |
| 831-435 | 8 | April 5, 2019 |
| 831-537 | 15 | April 5, 2019 |
| 831-703 | 25 | April 5, 2019 |
| 831-508 | 29 | April 5, 2019 |
| 831-322 | 8 | April 5, 2019 |
| 831-224 | 39 | April 5, 2019 |
| 831-677 | 2 | April 5, 2019 |
| 831-649 | 12 | April 5, 2019 |
| 831-335 | 26 | April 5, 2019 |
| 831-201 | 148 | April 5, 2019 |
| 831-227 | 53 | April 4, 2019 |
| 831-332 | 37 | April 4, 2019 |
| 831-219 | 38 | April 4, 2019 |
| 831-674 | 6 | April 4, 2019 |
| 831-844 | 6 | April 4, 2019 |
| 831-824 | 30 | April 4, 2019 |
| 831-675 | 4 | April 4, 2019 |
| 831-273 | 64 | April 4, 2019 |
| 831-318 | 74 | April 4, 2019 |
| 831-601 | 69 | April 4, 2019 |
| 831-688 | 13 | April 4, 2019 |
| 831-290 | 12 | April 4, 2019 |
| 831-920 | 51 | April 4, 2019 |
| 831-216 | 52 | April 4, 2019 |
| 831-373 | 16 | April 4, 2019 |
| 831-424 | 7 | April 4, 2019 |
| 831-443 | 13 | April 4, 2019 |
| 831-475 | 20 | April 3, 2019 |
| 831-479 | 12 | April 3, 2019 |
| 831-301 | 7 | April 3, 2019 |
| 831-375 | 8 | April 3, 2019 |
| 831-315 | 19 | April 3, 2019 |
| 831-566 | 50 | April 3, 2019 |
| 831-915 | 134 | April 3, 2019 |
| 831-334 | 23 | April 3, 2019 |
| 831-249 | 11 | April 3, 2019 |
| 831-724 | 11 | April 2, 2019 |
| 831-423 | 18 | April 2, 2019 |
| 831-636 | 15 | April 2, 2019 |
| 831-257 | 36 | April 2, 2019 |
| 831-247 | 48 | April 2, 2019 |
| 831-580 | 2 | April 2, 2019 |
| 831-240 | 23 | April 2, 2019 |
| 831-771 | 6 | April 2, 2019 |
| 831-524 | 7 | April 2, 2019 |
| 831-232 | 45 | April 2, 2019 |
| 831-223 | 30 | April 2, 2019 |
| 831-462 | 21 | April 2, 2019 |
| 831-229 | 37 | April 2, 2019 |
| 831-458 | 9 | April 1, 2019 |
| 831-665 | 11 | April 1, 2019 |
| 831-705 | 7 | April 1, 2019 |
| 831-250 | 20 | April 1, 2019 |
| 831-647 | 3 | April 1, 2019 |
| 831-236 | 102 | April 1, 2019 |
| 831-275 | 7 | April 1, 2019 |
| 831-706 | 17 | April 1, 2019 |
| 831-440 | 9 | April 1, 2019 |
| 831-204 | 17 | March 31, 2019 |
| 831-402 | 78 | March 30, 2019 |
| 831-394 | 76 | March 30, 2019 |
| 831-288 | 5 | March 30, 2019 |
| 831-905 | 36 | March 30, 2019 |
| 831-353 | 13 | March 30, 2019 |
| 831-324 | 10 | March 30, 2019 |
| 831-298 | 13 | March 30, 2019 |
| 831-225 | 8 | March 29, 2019 |
| 831-263 | 21 | March 29, 2019 |
| 831-648 | 9 | March 29, 2019 |
| 831-242 | 4 | March 29, 2019 |
| 831-226 | 17 | March 29, 2019 |
| 831-783 | 2 | March 29, 2019 |
| 831-676 | 4 | March 29, 2019 |
| 831-607 | 26 | March 28, 2019 |
| 831-350 | 5 | March 28, 2019 |
| 831-238 | 86 | March 28, 2019 |
| 831-457 | 6 | March 28, 2019 |
| 831-574 | 7 | March 28, 2019 |
| 831-786 | 8 | March 28, 2019 |
| 831-387 | 6 | March 28, 2019 |
| 831-205 | 25 | March 28, 2019 |
| 831-228 | 20 | March 28, 2019 |
| 831-278 | 52 | March 28, 2019 |
| 831-200 | 51 | March 27, 2019 |
| Type: General Purpose Code |
| Use: Geograpic |
| Location: CALIFORNIA |
| Country: UNITED STATES |
| Service Date: 1998-07-11 |
| Service: - |
Other area codes serving CALIFORNIA, UNITED STATES