865 area code
Where the 865 area code is, its overlay and how to dial a +1 865 number from anywhere.
The 865 area code is in Knoxville, Tennessee, United States (Eastern (ET)). To call from abroad: +1 865 555-0123.
The 865 area code is a geographic North American Numbering Plan (NANP) code covering Knoxville, Tennessee. It has been in service since 15-Apr-1999 and sits in the Eastern (ET) time zone.
How to dial a 865 number
+1 865 555-01231 865 555-0123865 555-0123Cities in the 865 area code
A 865 number is usually in one of these places in Tennessee — 3 counties.
Other Tennessee area codes
Frequently asked questions
Where is the 865 area code?
The 865 area code is in Knoxville, Tennessee, United States (Eastern (ET)).
Do I have to dial 10 digits for 865?
Yes — dial the area code plus the seven-digit number.
How do I call a 865 number from another country?
Dial your exit code (or +), then 1, then 865, then the number: +1 865 555-0123.
Source: NANPA numbering plan. An area code covers a region, not a precise address — a 865 number does not pinpoint a street or ZIP code.
Number holders in area code 865
Each prefix (the three digits after the area code) is assigned by NANPA to one telephone company. 520 prefixes are in use in 865, shared by 50 companies. The largest holders:
| Company | Prefixes | Share |
|---|---|---|
| Bellsouth Telecomm Inc Dba South Central Bell Tel | 122 | 23% |
| Cellco Partnership Dba Verizon Wireless | 50 | 10% |
| New Cingular Wireless PCS, LLC | 48 | 9% |
| Paetec Itel, LLC | 44 | 8% |
| Onvoy, LLC | 35 | 7% |
| Powertel Nashville Licenses, Inc. | 29 | 6% |
Source: NANPA central office code assignments. A number keeps its original prefix when it is ported to another carrier.
Complaints about 865 numbers
- Reports to the FTC, last 30 days
- 599
- Recorded messages or robocalls
- 50%
- Rank among area codes
- #137 of 670
- Most reported subjects
- Other (229)
- Medical & prescriptions (119)
- Calls pretending to be government, businesses, or family and friends (91)
Period Aug 26 – Sep 24, 2026. These are the numbers shown on the caller ID of the reported calls; many are spoofed and do not belong to the real caller.
Source: US Federal Trade Commission, Do Not Call reported calls data (daily files).
All US area codes United States +1 Map of area code 865 — cities & rate centres