--- title: "Area code 615: Tennessee, United States" url: "https://lookvalid.com/area-code/615.md" canonical_url: "https://lookvalid.com/area-code/615" last_updated: "2026-10-23" type: "reference" summary: "Area code 615 serves Tennessee, United States. Number formats, numbering rules, a live phone validator and the other codes in Tennessee." --- # Area code 615: Tennessee, United States Area code 615 serves Tennessee, United States. Number formats, numbering rules, a live phone validator and the other codes in Tennessee. NANPA lists 780 central office codes (prefixes) in use in area code 615, held by 34 holders across 50 rate centers. The largest rate center is NASHVILLE, with 441 prefixes (57%). South Central Bell Tel holds the most prefixes, 223 (29%). 64% of the prefixes are pooled, which means their thousands-blocks can belong to different companies. The FCC unwanted-call data has 4,056 complaints on file for 3,352 numbers in 615, most often filed as "Unwanted Calls". These are consumer reports, not findings. ## Facts - In service since: 1954-01-01 - Time zone: Central (C) - Assigned overlays: 629 (2015-03-28) - Prefixes in use: 780 - Pooled prefixes: 503 (64%) - Rate centers: 50 - Companies holding prefixes: 34 - Assignment dates on file: 2001-01-22 to 2024-11-22 (242 prefixes) - ZIP codes in its places: 70 ## Rate centers | Rate center | Prefixes | Share | | --- | --- | --- | | NASHVILLE | 441 | 57% | | MURFREESBO | 48 | 6% | | FRANKLIN | 36 | 5% | | GOODLETSVL | 18 | 2% | | SMITHVILLE | 16 | 2% | | SMYRNA | 16 | 2% | | HENDERSNVL | 15 | 2% | | GALLATIN | 14 | 2% | | 42 other rate centers | 176 | 23% | ## Carriers | Holder | Prefixes | Share | | --- | --- | --- | | South Central Bell Tel | 223 | 29% | | Verizon Wireless | 88 | 11% | | New Cingular Wireless PCS | 80 | 10% | | Paetec Itel | 64 | 8% | | Powertel Nashville Licenses | 52 | 7% | | Level 3 Communications | 51 | 7% | | 28 other carriers | 222 | 28% | A prefix holder is the company a code was assigned to, not necessarily a number's current carrier, because numbers can be ported to another company. ## History - 1954-01-01: Area code 615 went into service. - 1995-09-11: Area code 423 went into service and names 615 as its parent. - 1997-09-15: Area code 931 went into service and names 615 as its parent. - 2015-03-28: Area code 629 went into service as an overlay in the same area as 615. ## Nearest area codes The area codes closest to 615, measured between the centers of the ZIP code places they serve, are 931 (about 37 miles), 270 (about 79 miles), 364 (about 84 miles), 731 (about 119 miles) and 938 (about 124 miles). ## ZIP codes 70 ZIP codes fall in places that have a rate center in this area code. The places with the most are Nashville, TN (39 ZIP codes), Franklin, TN (5 ZIP codes) and Lebanon, TN (3 ZIP codes). A ZIP code and an area code are unrelated systems, so a ZIP code can sit in more than one area code and an area code spans many ZIP codes. ## Complaints on file 4,056 complaints for 3,352 numbers. Numbers whose latest complaint falls in each year: - 2023: 201 - 2024: 273 - 2025: 157 ## Questions ### Where is area code 615? NANPA assigns area code 615 to Tennessee, United States. ### In which state does area code 615 sit? Tennessee. 615 is one of 8 area codes the NANPA table assigns to the state. ### Which places does area code 615 cover? The places with the most ZIP codes among the rate centers in 615 are Nashville, TN, Franklin, TN and Lebanon, TN. The rate center list on this page shows all of them. ### Who owns area code 615? NANPA assigns area codes. Within 615, South Central Bell Tel holds the most prefixes, 223 prefixes or 29%. ### Which time zone does 615 use? The NANPA NPA report lists the time zone for 615 as Central (C). ### What year did 615 enter service? The NANPA NPA report gives an in-service date of 1954-01-01, so 615 has been in use since 1954. ### Does area code 615 have an overlay? Yes. 629 (in service 2015-03-28) shares the same area with 615, so numbers from all of them are local to each other. ### Which area codes are nearest to 615? The area codes closest to 615, measured between the centers of the ZIP code places they serve, are 931 (about 37 miles), 270 (about 79 miles), 364 (about 84 miles), 731 (about 119 miles) and 938 (about 124 miles). ### How many prefixes does area code 615 have? NANPA's report dated 2026-10-17 lists 780 prefixes in service in 615, spread over 50 rate centers and 34 holders. ### Are there complaints about 615 numbers? The FCC data on file has 4,056 complaints for 3,352 numbers in 615. They are unverified consumer reports. A number with no complaints on file is not proven safe. Sources: NANPA central office code report dated 2026-10-17; NANPA NPA report dated 2026-10-18; FCC unwanted-call complaints, data fetched 2026-10-17; ZIP code places from GeoNames (CC BY 4.0).