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Area code 320

Area code 320 St. Cloud, Minnesota

Area code 320 is in Minnesota, with numbers assigned in St. Cloud, Willmar, Alexandria and 131 more places. It’s 11:10 PM there now.

State
Minnesota8 area codes in Minnesota
Time zone
Central11:10 PM there now
Exchanges
511134 places
Overlay
NoneThe only code for its area
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Where area code 320 is

Numbers in 320 are assigned to 134 places in 28 counties: Stearns County, Benton County, Sherburne County, Kandiyohi County, McLeod County, Douglas County, plus 22 more.

No single place dominates: St. Cloud, the largest, has 17% of the exchanges.

  • St. Cloud86
  • Willmar18
  • Alexandria18
  • Little Falls13
  • Hutchinson11
  • Pine City10
  • Litchfield9
  • Braham8
  • Morris8
  • Mora8
  • Ogilvie8
  • Rush City8
  • Glencoe8
  • Hinckley7
  • Montevideo7
  • Granite Falls7
  • Sandstone6
  • Ortonville6
  • Sauk Centre6
  • Glenwood5
  • Benson5
  • Olivia5
  • St. Joseph4
  • Dassel4

Phone companies in 320

511 blocks of numbers in 320 are held by 70 phone companies. The most belong to Lumen (CenturyLink) (74), Inteliquent (58) and Verizon Wireless (57).

A large share, about 43%, belongs to competitive and internet phone carriers; wireless networks hold 18% and local phone and cable companies 39%.

A block’s holder is the company it was first assigned to; numbers can move to other carriers since.

History and overlays

320 went into service in 1996, added to the area of 612.

50 new exchanges were assigned since 2021, the latest in September 2026.

Calling 320

It’s 11:10 PM Central time in 320 right now.

From elsewhere in the U.S., dial 1, 320 and the 7-digit number.

Nearby area codes

Minnesota has 8 area codes: 218, 320, 507, 612, 651, 763, 924 and 952.

From the North American Numbering Plan Administrator’s area code and exchange records (10/22/2026) and U.S. Census place and county names. Places and companies are where number blocks were assigned, not where anyone lives or which carrier a number uses today.

Map of the 320 area code

Map of the 320 area code around St. Cloud, Willmar and Alexandria, Minnesota.

Interactive map © OpenStreetMap contributors

Cities on the map

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Questions about 320

Where is area code 320?

In Minnesota, covering St. Cloud, Willmar and Alexandria and other places across 28 counties.

What time zone is 320 in?

Central time. It was 11:10 PM there when this page loaded.

Is 320 an overlay?

No. 320 is the only area code for its area right now.

Which phone companies have 320 numbers?

70 companies hold blocks; the most belong to Lumen (CenturyLink), Inteliquent and Verizon Wireless. About 18% of blocks are wireless.

Is 320 running out of numbers?

Not on record. 50 new exchanges have been assigned since 2021.