← Area code 423
423-378 phone numbers
Numbers 423-378-0000 to 423-378-9999 are assigned to Centurylink in Kingsport, TN.
Source: North American Numbering Plan Administrator, Nov 3, 2026. Numbers can move between carriers.
Reported numbers in 423-378
- 1 (423) 378-7289 2complaints
- 2 (423) 378-9102 2complaints
- 3 (423) 378-0113 1complaints
- 4 (423) 378-0525 1complaints
- 5 (423) 378-0734 1complaints
- 6 (423) 378-1890 1complaints
- 7 (423) 378-1939 1complaints
- 8 (423) 378-1953 1complaints
- 9 (423) 378-3506 1complaints
- 10 (423) 378-3886 1complaints
- 11 (423) 378-4406 1complaints
- 12 (423) 378-4545 1complaints
- 13 (423) 378-4605 1complaints
- 14 (423) 378-4824 1complaints
- 15 (423) 378-4947 1complaints
- 16 (423) 378-5254 1complaints
- 17 (423) 378-5284 1complaints
- 18 (423) 378-5432 1complaints
- 19 (423) 378-5840 1complaints
- 20 (423) 378-6277 1complaints
- 21 (423) 378-6593 1complaints
- 22 (423) 378-6745 1complaints
- 23 (423) 378-6955 1complaints
- 24 (423) 378-7245 1complaints
- 25 (423) 378-7356 1complaints
- 26 (423) 378-8005 1complaints