Area code 931

{{Short description|Area code in Tennessee, United States}} {{Use mdy dates|date=February 2026}} {{Use American English|date=February 2026}} thumb|upright=1.5|Numbering plan area 931, highlighted in red '''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.<ref name=":0">{{Cite web |date=2017-11-03 |title=931 Area Code Details |url=https://www.timsford411.com/blog/931-area-code-details |access-date=2024-01-15 }}</ref> Area code 931 initiated service on September 15, 1997 in an area code split of 615,<ref>{{cite web |url=https://www.nanpa.com/sites/default/files/planning_letters/PL-081.pdf |title=Planning Letter 81: NANP-split of 615 (Tennessee) Numbering Plan Area (NPA) |publisher=NANPA |date=1997-08-15 |access-date=2025-04-27 }}</ref><ref>{{Cite news |date=1997-09-26 |title=Tennessee's New Area Code |pages=2 |work=The Times Daily |location=Northwest Alabama |url=https://books.google.com/books?id=808eAAAAIBAJ&dq=%22Area+code+931%22&pg=PA5 }}</ref> 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.

==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: {{colbegin}} *Algood, Tennessee *Altamont, Tennessee *Baxter, Tennessee *Beersheba Springs, Tennessee *Byrdstown, Tennessee *Celina, Tennessee *Clarkrange, Tennessee *Clarksville, Tennessee *Dover, Tennessee *Columbia, Tennessee *Cookeville, Tennessee *Cowan, Tennessee *Crossville, Tennessee *Estill Springs, Tennessee *Fairfield Glade, Tennessee *Fayetteville, Tennessee *Gainesboro, Tennessee *Hohenwald, Tennessee *Huntland, Tennessee *Jamestown, Tennessee *Lawrenceburg, Tennessee *Lewisburg, Tennessee *Linden, Tennessee *Livingston, Tennessee *Lynchburg, Tennessee *Manchester, Tennessee *McEwen, Tennessee *McMinnville, Tennessee *Monteagle, Tennessee *Monterey, Tennessee *New Johnsonville, Tennessee *Pulaski, Tennessee *Sewanee, Tennessee *Shelbyville, Tennessee *Sparta, Tennessee *Spencer, Tennessee *Spring Hill, Tennessee *Tracy City, Tennessee *Tullahoma, Tennessee *Winchester, Tennessee *Waverly, Tennessee *Waynesboro, Tennessee *Erin, Tennessee *Tennessee Ridge, Tennessee{{colend}}

===Counties=== The following counties are contained in full or in part in the numbering plan area:<ref name=":0" /> {{colbegin}} *Bedford *Clay *Coffee *Cumberland *Fentress *Franklin *Giles *Grundy *Hickman *Houston *Humphreys *Jackson *Lawrence *Lewis *Lincoln *Marshall *Maury *Montgomery *Moore *Overton *Perry *Pickett *Putnam *Stewart *VanBuren *Warren *Wayne *White {{colend}}

== References == {{Reflist}}

==External links== {{Area_code_footer|Map=TN}}

{{Area code box|State=TN| This= 931 | N= 615/629, 270/364, 606 | S= 256/938 | E= 423, 865 | W= 731, 901 | | S1=KY|S2=AL}}

{{DEFAULTSORT:Area code 931}} 931 931 Category:Telecommunications-related introductions in 1997