List of Tennessee area codes
- 423/729 – Chattanooga, Johnson City, Kingsport, Bristol: Split from 615 in 1995.
- 615/629 – Greater Nashville, including Murfreesboro, Mount Juliet: 615 split from 901 in a 1954 flash-cut. The overlay with 629 was created in 2015
- 731 – Jackson, Dyersburg, Union City: Split from 901 in 2001.
- 865 – Knoxville: Split from 423 in 1999.
- 901 – Memphis: One of the original North American area codes assigned in 1947, initially servicing the entire state
- 931 – Clarksville, Columbia, Manchester, Cookeville: Split from 615 in 1997.
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