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Where Is 865 Area Code?

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Database Updated: August 13, 2025
Tennessee Phone Number Lookups
Where Is 865 Area Code?

Where is Area Code 865?

Area code 865 is located in the state of Tennessee. It serves a significant portion of the eastern part of the state, covering several major cities and counties. The area code is primarily associated with the following regions:

  • Knoxville
  • Blount County
  • Knox County
  • Anderson County
  • Sevier County
  • Loudon County

For more information about telecommunications in Tennessee, visit the Tennessee Public Utilities Commission.

Tennessee Public Utilities Commission
502 Deaderick Street, 4th Floor, Nashville, TN 37243
Phone: (800) 342-8359
Phone: (615) 741-2904
E-mail: contact.tpuc@tn.gov

What time zone is 865 area code in the USA?

The 865 area code is situated in the Eastern Time Zone (ET). This time zone observes daylight saving time, shifting from Eastern Standard Time (EST) to Eastern Daylight Time (EDT) during the warmer months. For accurate timekeeping, refer to the National Institute of Standards and Technology.

History of the 865 Area Code

The 865 area code was established in 1999 as a result of a split from the 423 area code. This change was necessitated by the growing demand for new phone numbers in the region, driven by population growth and the proliferation of mobile devices. The split was designed to ensure a sufficient supply of numbers for the area. For more details on area code assignments, visit the North American Numbering Plan Administrator (NANPA).

NANPA Mailing Address
One Tower Center Boulevard
Suite 800
East Brunswick, NJ 08816

NANPA Customer Support
Tel: 1-866-623-2282
Email: support@nanpa.com
Fax: 571-363-3838

How Many People Use the 865 Area Code?

The 865 area code serves a population of over 1,1 million people. This figure encompasses the residents of the various counties and cities within the area code's coverage. For demographic and population statistics, consult the U.S. Census Bureau.

U.S. Census Bureau
4600 Silver Hill Road, Washington, DC 20233
Tel: 301-763-INFO (4636) or 800-923-8282

Is the 865 Area Code Toll-Free?

The 865 area code is a geographic area code, not a toll-free number. It is designated for a specific region in Tennessee and is used for local calls within that area. Toll-free numbers in the United States typically begin with the prefixes 800, 888, 877, 866, 855, 844, or 833. For more information on toll-free numbers, visit the Federal Communications Commission.

Federal Communications Commission
45 L Street NE, Washington, DC 20554
Tel: 1-888-CALL FCC (225-5322)
https://www.fcc.gov/

Tennessee Phone Numbers
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