931 Area Code — TN
Area code 931 serves TN in the EC time zone, in service since 1997. The FCC has 98 unwanted-call complaints against 97 different 931 numbers on record. Look up the exact number that called you below.
Most-reported 931 numbers
Ranked by FCC unwanted-call complaints. Click a number for its full report.
931 unwanted-call complaints, last 12 months
Monthly FCC complaint volume against 931 numbers. Spikes usually mark an active robocall campaign cycling through the code.
About area code 931
- Serves
- TN
- Time zone
- EC
- In service since
- 1997-09-15
- Overlay
- No
Source: NANPA numbering records, refreshed weekly.
Spam calls from 931? What to know
Seeing repeated missed calls from 931 numbers you don't recognize is the classic signature of neighbor-spoofing robocall campaigns. The caller isn't necessarily in TN — spoofing software displays whatever digits the campaign chooses. Never call unknown numbers back; look them up first, and report unwanted calls to the FCC to build the public record.
Area code 931 FAQs
Where is area code 931?
Area code 931 serves TN, in the EC time zone. It has been in service since 1997.
Why do I keep getting calls from 931 numbers?
Robocallers use "neighbor spoofing" — displaying a number with a local area code to make you more likely to answer. A call showing area code 931 may not originate from TN at all. Look up the full 10-digit number on this site to see its complaint history before calling back.
Are 931 numbers safe to call back?
Area codes themselves are neither safe nor unsafe — 931 contains millions of legitimate lines alongside any spoofed or spam numbers. The FCC has logged 98 unwanted-call complaints against 97 distinct 931 numbers in our current data window. Check the specific number's report page before returning a missed call.