← Area code 423
423-663 phone numbers
Numbers 423-663-0000 to 423-663-9999 are assigned to Highland Tel. Coop, Inc. in Huntsville, TN. 1 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 423-663
- 1 (423) 663-2870 3complaints
- 2 (423) 663-2235 2complaints
- 3 (423) 663-2297 2complaints
- 4 (423) 663-3582 2complaints
- 5 (423) 663-5563 2complaints
- 6 (423) 663-2088 1complaints
- 7 (423) 663-2406 1complaints
- 8 (423) 663-2571 1complaints
- 9 (423) 663-2631 1complaints
- 10 (423) 663-2655 1complaints
- 11 (423) 663-2656 1complaints
- 12 (423) 663-2716 1complaints
- 13 (423) 663-2777 1complaints
- 14 (423) 663-2789 1complaints
- 15 (423) 663-2793 1complaints
- 16 (423) 663-2889 1complaints
- 17 (423) 663-3359 1complaints
- 18 (423) 663-3383 1complaints
- 19 (423) 663-3489 1complaints
- 20 (423) 663-3600 1complaints
- 21 (423) 663-3734 1complaints
- 22 (423) 663-3899 1complaints
- 23 (423) 663-4078 1complaints
- 24 (423) 663-4243 1complaints
- 25 (423) 663-4423 1complaints
- 26 (423) 663-4458 1complaints
- 27 (423) 663-4528 1complaints
- 28 (423) 663-4693 1complaints
- 29 (423) 663-4807 1complaints
- 30 (423) 663-4819 1complaints
- 31 (423) 663-5130 1complaints
- 32 (423) 663-5308 1complaints
- 33 (423) 663-5316 1complaints
- 34 (423) 663-5923 1complaints
- 35 (423) 663-6292 1complaints
- 36 (423) 663-7307 1complaints
- 37 (423) 663-8164 1complaints
- 38 (423) 663-8212 1complaints
- 39 (423) 663-8248 1complaints
- 40 (423) 663-8267 1complaints
- 41 (423) 663-8465 1complaints
- 42 (423) 663-8644 1complaints
- 43 (423) 663-8648 1complaints
- 44 (423) 663-8921 1complaints
- 45 (423) 663-9174 1complaints
- 46 (423) 663-9267 1complaints
- 47 (423) 663-9272 1complaints
- 48 (423) 663-9439 1complaints
- 49 (423) 663-9709 1complaints
- 50 (423) 663-9756 1complaints
Showing the 50 most-reported.