← Area code 423
423-520 phone numbers
Numbers 423-520-0000 to 423-520-9999 are assigned to Paetec Itel, LLC (rate centre MADISONVL, TN, NANPA abbreviation). 6 of its ten thousand-number blocks are assigned to other carriers (number pooling).
Not assigned to any carrier: 423-520-3xxx, 423-520-5xxx, 423-520-9xxx — calls from these use spoofed caller IDs.
Source: North American Numbering Plan Administrator, Nov 3, 2026. Numbers can move between carriers.
Reported numbers in 423-520
- 1 (423) 520-8132 2complaints
- 2 (423) 520-8479 2complaints
- 3 (423) 520-0801 1complaints
- 4 (423) 520-1095 1complaints
- 5 (423) 520-1412 1complaints
- 6 (423) 520-1530 1complaints
- 7 (423) 520-1570 1complaints
- 8 (423) 520-1740 1complaints
- 9 (423) 520-1938 1complaints
- 10 (423) 520-3621 1complaints
- 11 (423) 520-3941 1complaints
- 12 (423) 520-4523 1complaints
- 13 (423) 520-4579 1complaints
- 14 (423) 520-4588 1complaints
- 15 (423) 520-4959 1complaints
- 16 (423) 520-5117 1complaints
- 17 (423) 520-5216 1complaints
- 18 (423) 520-5278 1complaints
- 19 (423) 520-6127 1complaints
- 20 (423) 520-6151 1complaints
- 21 (423) 520-6524 1complaints
- 22 (423) 520-6527 1complaints
- 23 (423) 520-6838 1complaints
- 24 (423) 520-6897 1complaints
- 25 (423) 520-6906 1complaints
- 26 (423) 520-7141 1complaints
- 27 (423) 520-7852 1complaints
- 28 (423) 520-8169 1complaints
- 29 (423) 520-8334 1complaints
- 30 (423) 520-8340 1complaints
- 31 (423) 520-8341 1complaints
- 32 (423) 520-8396 1complaints
- 33 (423) 520-8423 1complaints
- 34 (423) 520-8441 1complaints
- 35 (423) 520-8453 1complaints
- 36 (423) 520-8471 1complaints
- 37 (423) 520-8474 1complaints
- 38 (423) 520-8489 1complaints
- 39 (423) 520-8499 1complaints
- 40 (423) 520-8504 1complaints
- 41 (423) 520-8532 1complaints
- 42 (423) 520-8603 1complaints
- 43 (423) 520-8606 1complaints
- 44 (423) 520-8614 1complaints
- 45 (423) 520-8640 1complaints
- 46 (423) 520-8665 1complaints
- 47 (423) 520-8922 1complaints