Prefixes with phone numbers reported to the Federal Trade Commission and Federal Communications Commission
| Prefix | Phone Numbers | Last Complaint |
|---|---|---|
| 577-233 | 1 | February 6, 2019 |
| 577-544 | 1 | February 5, 2019 |
| 577-404 | 1 | February 4, 2019 |
| 577-225 | 1 | February 1, 2019 |
| 577-813 | 9 | January 31, 2019 |
| 577-026 | 1 | January 29, 2019 |
| 577-559 | 1 | January 28, 2019 |
| 577-862 | 1 | December 10, 2018 |
| 577-505 | 1 | December 9, 2018 |
| 577-525 | 1 | December 6, 2018 |
| 577-415 | 1 | November 25, 2018 |
| 577-357 | 1 | November 23, 2018 |
| 577-409 | 1 | November 16, 2018 |
| 577-106 | 1 | October 9, 2018 |
| 577-323 | 1 | October 5, 2018 |
| 577-247 | 1 | October 5, 2018 |
| 577-059 | 1 | October 3, 2018 |
| 577-376 | 1 | September 27, 2018 |
| 577-730 | 1 | September 26, 2018 |
| 577-277 | 1 | September 26, 2018 |
| 577-768 | 1 | September 26, 2018 |
| 577-872 | 1 | September 13, 2018 |
| 577-847 | 1 | August 28, 2018 |
| 577-105 | 1 | July 27, 2018 |
| 577-192 | 1 | July 17, 2018 |
| 577-164 | 1 | July 3, 2018 |
| 577-178 | 1 | June 29, 2018 |
| 577-333 | 2 | June 25, 2018 |
| 577-885 | 1 | June 1, 2018 |
| 577-204 | 1 | May 22, 2018 |
| 577-482 | 1 | May 22, 2018 |
| 577-735 | 1 | May 17, 2018 |
| 577-244 | 1 | May 12, 2018 |
| 577-748 | 1 | May 11, 2018 |
| 577-298 | 1 | May 10, 2018 |
| 577-241 | 1 | May 9, 2018 |
| 577-441 | 1 | May 3, 2018 |
| 577-443 | 1 | April 11, 2018 |
| 577-858 | 1 | March 27, 2018 |
| 577-743 | 1 | March 9, 2018 |
| 577-309 | 1 | February 14, 2018 |
| 577-922 | 1 | February 12, 2018 |
| 577-640 | 1 | February 1, 2018 |
| 577-302 | 1 | January 31, 2018 |
| 577-574 | 2 | January 29, 2018 |
| 577-341 | 1 | January 23, 2018 |
| 577-711 | 1 | January 18, 2018 |
| 577-796 | 1 | January 17, 2018 |
| 577-453 | 1 | January 16, 2018 |
| 577-303 | 1 | January 12, 2018 |
| 577-410 | 1 | January 5, 2018 |
| 577-646 | 1 | January 2, 2018 |
| 577-228 | 1 | December 18, 2017 |
| 577-020 | 1 | December 9, 2017 |
| 577-815 | 1 | December 7, 2017 |
| 577-353 | 1 | December 5, 2017 |
| 577-871 | 1 | November 17, 2017 |
| 577-647 | 1 | November 15, 2017 |
| 577-205 | 1 | November 3, 2017 |
| 577-613 | 1 | November 1, 2017 |
| 577-456 | 1 | November 1, 2017 |
| 577-921 | 1 | November 1, 2017 |
| 577-758 | 1 | September 21, 2017 |
| 577-806 | 1 | September 4, 2017 |
| 577-304 | 1 | August 30, 2017 |
| 577-144 | 1 | August 28, 2017 |
| 577-426 | 1 | August 22, 2017 |
| 577-434 | 1 | August 11, 2017 |
| 577-335 | 1 | August 10, 2017 |
| 577-562 | 1 | February 15, 2016 |
| 577-279 | 1 | November 24, 2015 |
| 577-407 | 1 | June 30, 2015 |
| Type: Easily Recognizable Code |
| Use: Non-Geograpic |
| Location: NANP AREA |
| Country: - |
| Service Date: 2014-03-27 |
| Service: Non-Geographic Services |
Other area codes serving NANP AREA,