← Area code 423
423-679 phone numbers
Numbers 423-679-0000 to 423-679-9999 are assigned to Onvoy, LLC in Ooltewah, TN. 3 of its ten thousand-number blocks are assigned to other carriers (number pooling).
Not assigned to any carrier: 423-679-0xxx, 423-679-2xxx, 423-679-6xxx, 423-679-7xxx, 423-679-8xxx — calls from these use spoofed caller IDs.
Source: North American Numbering Plan Administrator, Nov 3, 2026. Numbers can move between carriers.
Reported numbers in 423-679
- 1 (423) 679-3397 2complaints
- 2 (423) 679-4594 2complaints
- 3 (423) 679-1313 1complaints
- 4 (423) 679-3336 1complaints
- 5 (423) 679-3339 1complaints
- 6 (423) 679-3376 1complaints
- 7 (423) 679-3390 1complaints
- 8 (423) 679-3460 1complaints
- 9 (423) 679-3478 1complaints
- 10 (423) 679-3663 1complaints
- 11 (423) 679-3682 1complaints
- 12 (423) 679-3780 1complaints
- 13 (423) 679-3826 1complaints
- 14 (423) 679-3882 1complaints
- 15 (423) 679-3899 1complaints
- 16 (423) 679-4010 1complaints
- 17 (423) 679-4015 1complaints
- 18 (423) 679-4253 1complaints
- 19 (423) 679-4297 1complaints
- 20 (423) 679-4365 1complaints
- 21 (423) 679-4424 1complaints
- 22 (423) 679-4427 1complaints
- 23 (423) 679-4442 1complaints
- 24 (423) 679-4511 1complaints
- 25 (423) 679-4518 1complaints
- 26 (423) 679-4534 1complaints
- 27 (423) 679-4605 1complaints
- 28 (423) 679-4650 1complaints
- 29 (423) 679-4696 1complaints
- 30 (423) 679-4741 1complaints
- 31 (423) 679-4758 1complaints
- 32 (423) 679-4764 1complaints
- 33 (423) 679-4806 1complaints
- 34 (423) 679-4868 1complaints
- 35 (423) 679-6620 1complaints