← Area code 423
423-436 phone numbers
Numbers 423-436-0000 to 423-436-9999 are assigned to Level 3 Communications, LLC (rate centre MADISONVL, TN, NANPA abbreviation). 9 of its ten thousand-number blocks are assigned to other carriers (number pooling).
Source: North American Numbering Plan Administrator, Nov 3, 2026. Numbers can move between carriers.
Reported numbers in 423-436
- 1 (423) 436-5764 5complaints
- 2 (423) 436-9876 4complaints
- 3 (423) 436-9091 2complaints
- 4 (423) 436-9497 2complaints
- 5 (423) 436-9721 2complaints
- 6 (423) 436-0259 1complaints
- 7 (423) 436-0260 1complaints
- 8 (423) 436-0302 1complaints
- 9 (423) 436-0331 1complaints
- 10 (423) 436-1025 1complaints
- 11 (423) 436-1053 1complaints
- 12 (423) 436-1330 1complaints
- 13 (423) 436-2504 1complaints
- 14 (423) 436-3262 1complaints
- 15 (423) 436-4211 1complaints
- 16 (423) 436-4500 1complaints
- 17 (423) 436-4547 1complaints
- 18 (423) 436-4812 1complaints
- 19 (423) 436-5509 1complaints
- 20 (423) 436-5513 1complaints
- 21 (423) 436-5644 1complaints
- 22 (423) 436-5791 1complaints
- 23 (423) 436-5793 1complaints
- 24 (423) 436-5799 1complaints
- 25 (423) 436-5872 1complaints
- 26 (423) 436-5987 1complaints
- 27 (423) 436-6213 1complaints
- 28 (423) 436-7002 1complaints
- 29 (423) 436-7246 1complaints
- 30 (423) 436-7268 1complaints
- 31 (423) 436-7484 1complaints
- 32 (423) 436-7658 1complaints
- 33 (423) 436-7961 1complaints
- 34 (423) 436-8005 1complaints
- 35 (423) 436-8055 1complaints
- 36 (423) 436-8189 1complaints
- 37 (423) 436-8281 1complaints
- 38 (423) 436-8311 1complaints
- 39 (423) 436-8513 1complaints
- 40 (423) 436-8558 1complaints
- 41 (423) 436-8696 1complaints
- 42 (423) 436-8919 1complaints
- 43 (423) 436-9039 1complaints
- 44 (423) 436-9144 1complaints
- 45 (423) 436-9215 1complaints
- 46 (423) 436-9258 1complaints
- 47 (423) 436-9283 1complaints
- 48 (423) 436-9327 1complaints
- 49 (423) 436-9333 1complaints
- 50 (423) 436-9389 1complaints
Showing the 50 most-reported.