Tennessee Area Codes
8 active area codes · Memphis · Population around 4,427,058
Tennessee has 8 active area codes, serving cities like Memphis, Nashville, and Knoxville. Some of them are overlays that share the same territory, so local calls there use all ten digits. Each code below links to its cities, carriers, timezone, and coverage map.
Tennessee Area Code Map
What area codes does Tennessee have?
- 423OverlayChattanoogaEastern / Central · 109 cities · 795,194
- 615OverlayNashvilleCentral Time (CT) · 70 cities · 1,517,447
- 629OverlayNashvilleCentral Time (CT) · 70 cities · 1,517,447
- 729OverlayChattanoogaEastern / Central · 109 cities · 795,194
- 731OverlayJacksonCentral Time (CT) · 91 cities · 274,663
- 865OverlayKnoxvilleEastern Time (ET) · 47 cities · 457,591
- 901OverlayMemphisCentral Time (CT) · 25 cities · 852,977
- 931ClarksvilleEastern / Central · 90 cities · 590,855
Which cities are the largest in Tennessee?
* Sources: Population – U.S. Census Bureau PEP, Vintage 2024 (SUB-IP-EST2024-POP). Area code assignments – NANPA CO Code data. See our data methodology.
Frequently Asked Questions
How many area codes does Tennessee have?
Tennessee has 8 active area codes: 423, 615, 629, 729, 731, 865, 901, 931.
What is the main area code for Tennessee?
The 423 area code is among the primary area codes for Tennessee, serving Chattanooga and surrounding communities.
What are the largest cities in Tennessee?
The largest cities in Tennessee include Memphis, Nashville, Knoxville, Chattanooga, Clarksville.
What is the total population of Tennessee?
Tennessee has an estimated total population of 4,427,058 based on US Census PEP 2024 data.