320 Area Code — Minnesota
320 is a North American Numbering Plan area code for Minnesota, the United States. It covers about 581,344 people in 162 towns and 174 ZIP codes, including Saint Cloud, Alexandria and Willmar.
| Field | Value |
|---|---|
| Area code | 320 |
| Country | United States (+1) |
| State / province | Minnesota |
| Type | Standalone (no other NANP code covers the same towns) |
| Time zone | Central |
| Population covered | 581,344 |
| Towns covered | 162 |
| ZIP codes | 174 |
| Approx. centre | 45.497, -94.735 |
Where area code 320 is used
Area code 320 is assigned to Minnesota, the United States, inside the North American Numbering Plan. Numbers in the code are written (320) NXX-XXXX at home and +1 320 NXX-XXXX when dialled from outside Canada and the United States. Since the NANP moved to 10-digit dialling you must always include the area code, even for a local call.
Towns and cities in area code 320
The 162 towns below are the largest in the 320 footprint, ranked by population. Every one of them links to its own page with the full list of area codes and ZIP codes for that town.
| Town | County | Population | ZIP codes |
|---|---|---|---|
| Saint Cloud | Stearns County | 78,880 | 11 |
| Alexandria | Douglas County | 27,008 | 1 |
| Willmar | Kandiyohi County | 25,146 | 1 |
| Sartell | Stearns County | 21,063 | 1 |
| Hutchinson | McLeod County | 18,610 | 1 |
| Sauk Rapids | Benton County | 17,607 | 1 |
| Little Falls | Morrison County | 15,008 | 1 |
| Saint Joseph | Stearns County | 10,029 | 1 |
| Mora | Kanabec County | 9,935 | 1 |
| Litchfield | Meeker County | 9,663 | 1 |
| Milaca | Mille Lacs County | 9,546 | 1 |
| Pine City | Pine County | 9,212 | 1 |
Counties covered
| County | ZIP codes |
|---|---|
| Stearns County | 34 |
| Morrison County | 13 |
| Kandiyohi County | 11 |
| Pine County | 9 |
| McLeod County | 8 |
| Pope County | 8 |
| Renville County | 7 |
| Meeker County | 7 |
| Big Stone County | 7 |
| Douglas County | 7 |
| Swift County | 6 |
| Mille Lacs County | 6 |
Nearby area codes
How to dial area code 320
- Within North America: 320 + 7-digit number (320-NXX-XXXX). The leading 1 is optional on a mobile phone and required on most landlines for long-distance.
- From abroad: your country's international prefix, then 1, then 320, then the 7-digit number — for example 00 1 320 NXX-XXXX from most of Europe.
Frequently asked questions
What area code is 320?
320 is a North American Numbering Plan area code assigned to Minnesota, the United States. It covers about 581,344 people in 162 towns.
Is 320 a US or Canadian area code?
320 is a United States area code. Canada and the United States share the +1 country code, so both are part of the same numbering plan.
What time zone is area code 320 in?
Area code 320 is in the Central time zone.
Do I have to dial 10 digits?
Yes. Every NANP call now requires the area code plus the seven-digit number, even for a local call.