Tennessee area codes
Tennessee has 8 area codes. Knoxville's 865 is the only one on Eastern Time.
Calling Tennessee right now
Calling hours: Every day, 8 AM to 9 PM (the federal rule)
Calling a lot of them? RegieGO dials up to five lines at once. See the dialer
When can you call Tennessee numbers?
Sales calls to homes and cell phones have legal hours, set by the federal rule. Hold every number to them, since you can't tell a work line from a personal cell. Each area code's page has its local time now.
What applies in TennesseeEvery day, 8 AM to 9 PM
- Federal (TCPA and FTC rule)Every day, 8 AM to 9 PMCalls to residential and mobile numbers. Most calls to businesses are exempt from the FTC's rule.47 CFR 64.1200(c)(1); 16 CFR 310.4(c) (opens in a new tab)
Local time comes from the area code, not from where the person is today. Mobiles keep their number when they move. Calling hours here are a guide, not legal advice. Every state's calling hours, with sources
Tennessee area code FAQ
How many area codes does Tennessee have?
8: 423, 615, 629, 729, 731, 865, 901 and 931.
What time zone are Tennessee area codes in?
Eastern Time (EST, UTC-5; EDT, UTC-4 in summer) and Central Time (CST, UTC-6; CDT, UTC-5 in summer). Each code's page says which.
What is the newest Tennessee area code?
729, in service since September 5, 2025.
When can you call Tennessee numbers?
Every day, 8 AM to 9 PM, local time, under the federal rule.
Calling Tennessee numbers? Reach more of them.
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