Area code 931

Area code 931 is the telephone area code in the North American Numbering Plan (NANP) serving a horseshoe-shaped region of twenty-eight counties in Middle Tennessee.^[1] Area code 931 initiated service on September 15, 1997 in an area code split of 615,^[2]^[3] which had previously served almost all of Middle Tennessee. The split reduced the numbering plan area to the inner ring of Nashville. Permissive dialing of 615 continued across Middle Tennessee until January 15, 1998.

Numbering plan area 931, highlighted in red

Service area

The numbering plan area comprises almost all of Middle Tennessee, except for the Nashville metropolitan area. It contains the following municipalities, towns, or cities:

Counties

The following counties are contained in full or in part in the numbering plan area:^[1]

References

^ ^a ^b "931 Area Code Details". 2017-11-03. Retrieved 2024-01-15.
^ "Planning Letter 81: NANP-split of 615 (Tennessee) Numbering Plan Area (NPA)" (PDF). NANPA. 1997-08-15. Retrieved 2025-04-27.
^ "Tennessee's New Area Code". The Times Daily. Northwest Alabama. 1997-09-26. p. 2.

External links

"Area Code Maps". North American Numbering Plan Administrator.

Tennessee area codes: 423, 615/629, 731, 865, 901, 931
	North: 615/629, 270/364, 606
West: 731, 901	931	East: 423, 865
	South: 256/938
Kentucky area codes: 270/364, 502, 606, 859
Alabama area codes: 205/659, 251, 256/938, 334

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[:0-1] "931 Area Code Details". 2017-11-03. Retrieved 2024-01-15.

[2] "Planning Letter 81: NANP-split of 615 (Tennessee) Numbering Plan Area (NPA)" (PDF). NANPA. 1997-08-15. Retrieved 2025-04-27.

[3] "Tennessee's New Area Code". The Times Daily. Northwest Alabama. 1997-09-26. p. 2.

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