Every US area code, explainedUnited States · +1
Area Code Contact ES
Menu
AREA CODE · TENNESSEE

Area code 865

Area code 865 covers Knoxville, Tennessee. Map, time zone, overlays, carriers, the full list of prefixes and how to dial it.

State: Tennessee Major City: Knoxville Eastern Time (ET) Overlay: None
01 / WHERE IT IS

Where is area code 865?

Area code 865 is assigned to Knoxville and the surrounding region in Tennessee. Calls to numbers that start with 865 are routed to this area.

Area code 865 is not currently part of an overlay: it serves its territory on its own.

Counties covered

Knox CountyBlount CountyAnderson CountyRoane CountySevier CountyLoudon CountyJefferson CountyGrainger County

Line types

  • Mobile 32.13%
  • Landline 67.87%
02 / MAP

Area code 865 on the map

The shaded area joins the code’s numbering centers; the marker shows its main city.

Loading…

© OpenStreetMap contributors

03 / LOCAL TIME

Current time in Knoxville

This area code is in the Eastern Time (ET) time zone.

Local timeKnoxville, TN--:--:--

Loading…

America/New_YorkLive
04 / HOW TO DIAL

How to call Knoxville

WITHIN THE US865 XXX XXXX

Always 10 digits — landline, mobile or VoIP. Local, long distance or a different state: the format is always the same. You do not need to dial the 1 first.

FROM ABROAD+1 865 XXX XXXX

Exit codes: 00 Europe/Mexico · 011 Canada · 010 Japan · + universal

WHATSAPP / IMESSAGE+1 865 XXX XXXX

Always save the number in international format so messaging apps recognize it correctly:

Call typeTraditional landlineMobile / VoIP
Local (same area code)10 digits10 digits
US long distance1 + 10 digits10 digits
Emergency911911
🌐Universal+1 865 555 0123
🇪🇸🇲🇽Spain / Mexico00 1 865 555 0123
🇦🇺Australia0011 1 865 555 0123
🇯🇵Japan010 1 865 555 0123
HAVE THE FULL NUMBER?

Learn more about that number.

Check the line type and the carrier the number block was originally assigned to.

10 digits to see the carrier and line type of the number

05 / CARRIERS

Carriers in area code 865

Share of the number blocks by carrier and line type.

Landline

AT&T
45%
Windstream Communications
13%
Sinch
9%
Lumen Technologies
5%
CoreTel Communications
5%
Others
22%

Mobile

Verizon Wireless
31%
AT&T Mobility
29%
T-Mobile USA
18%
UScellular
12%
USA Mobility
5%
Others
5%

Carrier shown is the original assignment of each number block and may differ today because of number portability.

06 / PREFIXES

Complete list of prefixes for area code 865

498 number blocks (NXX) assigned in this area code.

PrefixTypeCityCarrier
(865) 200 Landline Knoxville Metro by T-MobileMETROPCS, INC.
(865) 201 Mobile Knoxville AT&T MobilityNEW CINGULAR WIRELESS PCS, LLC - GA
(865) 202 Mobile Knoxville AT&T MobilityNEW CINGULAR WIRELESS PCS, LLC - GA
(865) 203 Mobile Knoxville Verizon WirelessCELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN
(865) 204 Landline Lenoir City BandwidthBANDWIDTH.COM CLEC, LLC - TN
(865) 205 Landline Loudon SinchONVOY, LLC - TN
(865) 206 Mobile Knoxville AT&T MobilityNEW CINGULAR WIRELESS PCS, LLC - GA
(865) 207 Mobile Knoxville Verizon WirelessCELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN
(865) 208 Mobile Knoxville T-Mobile USAPOWERTEL NASHVILLE LICENSES, INC.
(865) 209 Mobile Knoxville AT&T MobilityNEW CINGULAR WIRELESS PCS, LLC - GA

Showing 10 of 498 prefixes

07 / FAQ

Frequently asked questions about area code 865

Where is area code 865 used?
Area code 865 serves Knoxville and the surrounding area in Tennessee, including Knox County, Blount County, Anderson County, Roane County, Sevier County.
What city is area code 865 from?
The main city of area code 865 is Knoxville, TN.
What time zone is area code 865 in?
Area code 865 is in the Eastern Time (ET) time zone (America/New_York).
Is 865 an overlay area code?
No. Area code 865 is not currently part of an overlay.
How do I call a number with area code 865 from the United States?
Dial the 10 digits: 865 + 7-digit number. For some long-distance calls from a landline you may need to add a 1 first.
How do I call a 865 number from another country?
Dial your country's exit code (or +), then 1, then 865 and the seven-digit number. From a mobile you can use +1 865 XXX XXXX.
Which carriers use area code 865?
Most landline blocks belong to AT&T and most mobile blocks to Verizon Wireless. The carrier shown is the original assignment and may differ today because of number portability.
Is area code 865 for landlines, mobiles or both?
Both. About 67.87% of the number blocks are landline, 32.13% mobile.
How do I save a 865 number in WhatsApp or my phone?
Save it in international format: +1 865 XXX XXXX. That way WhatsApp, iMessage and Telegram recognize it from any country.
Is it safe to answer calls from area code 865?
The area code only shows the region a number was assigned to; it does not tell you who is calling. Scammers can fake any area code, so do not share personal or banking information with unknown callers, and let unknown numbers go to voicemail.
KEEP EXPLORING

Nearby area codes

828Asheville, NC606Corbin, KY864Greenville, SC821Greenwood, SC276Abingdon, VA770Atlanta Northeast, GA

Other area codes in Tennessee

423 · Chattanooga615 · Nashville629 · Nashville731 · Jackson901 · Memphis931 · Clarksville

View all Tennessee area codes →