Tennessee area codes
Tennessee has 8 area codes, all on UTC−6 / UTC−5 standard time. Each card shows the main cities; open one for its overlays, history and a free lookup.
Вопросы и ответы
Tennessee area code questions
How many area codes does Tennessee have?
Tennessee has 8 area codes in service: 423, 615, 629, 729, 731, 865, 901 and 931.
What was the original Tennessee area code?
901 was among the original area codes created in 1947.
What is the newest area code in Tennessee?
729, in service since September 5, 2025 as an overlay on 423.
What time zones are Tennessee area codes in?
Eastern and Central — the region spans more than one zone, so check the code.
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Sources: NANPA NPA database (11/04/2026) and Google libphonenumber. Area codes show where a number was assigned, not where its owner is today.