Area code 931

{{Short description|Area code in Tennessee, United States}}

{{more citations needed|date=February 2023}}

File:Tennessee931.svg

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.{{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

}} Area code 931 initiated service on September 15, 1997 in an area code split of 615,{{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

}}{{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

}} 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

=Counties=

The following counties are contained in full or in part in the numbering plan area:

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References

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