Tennessee · Central Time
615 Area Code
The 615 area code is a telephone area code in Tennessee, covering Nashville and the surrounding area. It lies in the Central Time zone for most of its territory.
Last updated June 5, 2026
Where is the 615 area code?
615 serves Nashville and nearby communities in Tennessee. In the wider directory it sits in the South region.
Time zone note: Eastern in Knoxville and Chattanooga; Central in Nashville, Memphis and most of the state.
Overlay codes serving Nashville
Nashville is served by an overlay of 2 area codes: 615, 629. Because more than one code covers the same area, 10-digit dialing is mandatory — you must dial the area code for every local call. New phone lines may be assigned any of these codes, so Nashville numbers are no longer tied to a single prefix.
History of the 615 area code
615 is one of the original area codes assigned in 1947, when AT&T and Bell Laboratories created the North American Numbering Plan and divided the country into the first 86 numbering plan areas. It has served the Nashville area ever since.
Is 615 a scam or spam risk?
615 is a legitimate geographic area code, not a premium or toll line, so a call from it costs you nothing extra. That said, scammers frequently spoof real local area codes to look familiar on caller ID. A genuine 615 number on your screen is no guarantee the caller is local or trustworthy. See spam & scam-risk area codes for how spoofing works and how to respond.
Other Tennessee area codes
Explore more
See every code in Tennessee, compare codes across the South region, or view all Central Time codes. You can also browse the 6XX block or the complete numeric list of US area codes.
New to how this all works? Start with how area codes work, then read up on overlays, 10-digit dialing, and spam & scam-risk codes. To check another number, use the area code lookup tool.
Quick answers
615 area code FAQ
Where is the 615 area code?
The 615 area code is in Tennessee, serving Nashville and the surrounding area in the South region.
What time zone is 615 in?
615 is in the Central Time zone. Eastern in Knoxville and Chattanooga; Central in Nashville, Memphis and most of the state.
Do I have to dial 10 digits for 615?
Yes. Because Nashville is an overlay area, you must dial the full 10-digit number (area code + 7 digits) for every call.
Is 615 a toll-free or premium code?
No. 615 is a standard geographic area code, so calling it costs the same as any local or long-distance call on your plan. Toll-free calls use 800, 888, 877, 866, 855, 844 or 833.