Everything you need to know about area code 865 in Tennessee
QUICK FACTS
Tennessee
Eastern Time Zone
Split from existing code
Estimated residents served
Tennessee
Primary code for this region
ABOUT THIS AREA CODE
Area code 865 serves Knoxville, Tennessee and the surrounding region including Oak Ridge. It covers the University of Tennessee, the gateway to the Great Smoky Mountains, and the historic Manhattan Project city.
Phone numbers with the 865 area code follow the format (865) XXX-XXXX, where the next three digits represent the local exchange. The 865 area code is part of the North American Numbering Plan (NANP) and is regulated by the Federal Communications Commission (FCC).
If you receive a call from a 865 number that you don't recognize, you can search it using the lookup tool above. While the 865 area code legitimately serves millions of residents and businesses in the Knoxville area, scammers sometimes spoof local area codes to make their calls appear more trustworthy. Always verify unfamiliar numbers before returning calls or sharing personal information.
The Knoxville region served by area code 865 is one of the most significant areas in Tennessee. As a primary geographic code, 865 has been the main identifier for this region since it was introduced in 1999.
For detailed information about any phone number in the 865 area code, including owner identification, carrier data, and spam reports, use our search tool above or visit one of our trusted lookup providers.
CITIES & COMMUNITIES
SPAM & SCAM ALERTS
These are frequently reported scam patterns from phone numbers using the 865 area code. Scammers often spoof area codes, so a call appearing to come from 865 may originate elsewhere.
Callers claim your Social Security number has been suspended due to suspicious activity and demand personal information to reactivate it.
Robocalls claim your car warranty is expiring and pressure you into purchasing expensive and unnecessary extended coverage.
Callers impersonate your electric or gas company, threatening immediate service disconnection unless payment is made by phone.
Stay Safe: Never share personal information with incoming callers. If suspicious, hang up and search the number above.
FREQUENTLY ASKED QUESTIONS
Area code 865 serves Knoxville, Tennessee. Area code 865 serves Knoxville, Tennessee and the surrounding region including Oak Ridge. It covers the University of Tennessee, the gateway to the Great Smoky Mountains, and the historic Manhattan Project city.
Area code 865 is in the Eastern timezone. Calls from 865 numbers originate from the Knoxville region.
Not necessarily. Area code 865 serves many people in Knoxville. However, scammers can spoof any area code. If you receive a suspicious call from a 865 number, search it above before calling back.
Area code 865 was created in 1999. It serves as the primary geographic code for its region.
WHO CALLED ME
If you received an unknown call from a 865 number, use our dedicated lookup page to identify the caller and check for scam reports.
Who Called Me From 865? →PHONE SAFETY GUIDES
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