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320 Area Code — Scam Calls, Location & Who's Calling

Area code 320 serves Minnesota in the Central time zone, in service since 1996. The FCC has 1,379 unwanted-call complaints against 1,036 different 320 numbers on record. Look up the exact number that called you below.

Most-reported 320 numbers

Ranked by FCC unwanted-call complaints. Click a number for its full report.

320 unwanted-call complaints, last 12 months

Monthly FCC complaint volume against 320 numbers. Spikes usually mark an active robocall campaign cycling through the code.

Carriers operating in 320

Carriers assigned to 320 prefixes that visitors have looked up so far — resolved from official NPA-NXX assignment records.

  • ONVOY, LLC - MNC · 7 prefixes
  • LEVEL 3 COMMUNICATIONS, LLC - MNC · 6 prefixes
  • QWEST CORPORATIONI · 5 prefixes
  • CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MNWireless · 4 prefixes
  • NEW CINGULAR WIRELESS PCS, LLC - ILWireless · 3 prefixes
  • MIDCONTINENT COMMUNICATIONS - MNC · 2 prefixes
  • FARMERS MUTUAL TEL. CO.I · 1 prefix
  • NUSO, LLCC · 1 prefix

About area code 320

Serves
Minnesota
Time zone
Central
In service since
1996-03-17
Overlay
No

Source: NANPA numbering records, refreshed weekly.

Spam calls from 320? What to know

Seeing repeated missed calls from 320 numbers you don't recognize is the classic signature of neighbor-spoofing robocall campaigns. The caller isn't necessarily in Minnesota — 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 320 FAQs

Where is area code 320?

Area code 320 serves Minnesota, in the Central time zone. It has been in service since 1996.

Why do I keep getting calls from 320 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 320 may not originate from Minnesota at all. Look up the full 10-digit number on this site to see its complaint history before calling back.

Are 320 numbers safe to call back?

Area codes themselves are neither safe nor unsafe — 320 contains millions of legitimate lines alongside any spoofed or spam numbers. The FCC has logged 1,379 unwanted-call complaints against 1,036 distinct 320 numbers in our current data window. Check the specific number's report page before returning a missed call.