Tennessee Area Codes
Compare 8 in-service area codes assigned to Tennessee. Explore each code’s introduction date, overlays, possible time zones, and public prefix records.
Tennessee numbering at a glance
- In-service area codes
- 8
- Time-zone labels in NANPA data
- Eastern, Central
- Listed in-service or assigned prefixes
- 3,767 · source dated 2026-09-29
These are numbering assignments. The counts do not represent active phone numbers, current carriers, or a caller’s physical location.
Compare area codes in Tennessee
| Code | Introduced | Other codes in overlay | Time zones | Listed prefixes |
|---|---|---|---|---|
| 423 | 11-Sep-1995 | 729 | Eastern, Central | 759 |
| 615 | 01-Jan-1954 | 629 | Central | 780 |
| 629 | 28-Mar-2015 | 615 | Central | 189 |
| 729 | 05-Sep-2025 | 423 | Eastern, Central | — |
| 731 | 12-Feb-2001 | None listed | Central | 394 |
| 865 | 01-Nov-1999 | None listed | Eastern | 500 |
| 901 | 01-Jan-1947 | None listed | Central | 611 |
| 931 | 15-Sep-1997 | None listed | Eastern, Central | 534 |
Source: NANPA NPA database, dated 2026-09-28. Prefix counts: NANPA US assignment report. View official area-code maps.
Overlay groups in Tennessee
Codes in an overlay group can serve the same broad numbering area. A person may keep a number after moving, and the displayed number may be spoofed.
Find a number in Tennessee
Open an area-code page above to check a prefix and possible time zones. You can also search US telephone rate-center names; those names are not exact city coverage.
A code cannot verify the owner of a number. If an unexpected caller asks for money or sensitive information, verify the claim independently.