920 Area Code — Wisconsin
920 is a North American Numbering Plan area code for Wisconsin, the United States. It covers about 1,314,315 people in 160 towns and 189 ZIP codes, including Green Bay, Appleton and Oshkosh.
| Field | Value |
|---|---|
| Area code | 920 |
| Country | United States (+1) |
| State / province | Wisconsin |
| Type | Standalone (no other NANP code covers the same towns) |
| Time zone | Central |
| Population covered | 1,314,315 |
| Towns covered | 160 |
| ZIP codes | 189 |
| Approx. centre | 44.076, -88.329 |
Where area code 920 is used
Area code 920 is assigned to Wisconsin, the United States, inside the North American Numbering Plan. Numbers in the code are written (920) NXX-XXXX at home and +1 920 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 920
The 160 towns below are the largest in the 920 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 |
|---|---|---|---|
| Green Bay | Brown County | 189,141 | 12 |
| Appleton | Outagamie County | 126,671 | 6 |
| Oshkosh | Winnebago County | 81,810 | 5 |
| Sheboygan | Sheboygan County | 64,960 | 3 |
| Fond Du Lac | Fond du Lac County | 63,300 | 3 |
| De Pere | Brown County | 50,411 | 1 |
| Neenah | Winnebago County | 46,567 | 2 |
| Manitowoc | Manitowoc County | 40,949 | 2 |
| Watertown | Jefferson County | 29,351 | 2 |
| Kaukauna | Outagamie County | 28,380 | 1 |
| Menasha | Calumet County | 27,312 | 1 |
| Beaver Dam | Dodge County | 22,808 | 1 |
Counties covered
| County | ZIP codes |
|---|---|
| Dodge County | 19 |
| Brown County | 19 |
| Outagamie County | 17 |
| Sheboygan County | 16 |
| Fond du Lac County | 16 |
| Manitowoc County | 16 |
| Winnebago County | 15 |
| Calumet County | 11 |
| Door County | 11 |
| Columbia County | 8 |
| Oconto County | 8 |
| Waushara County | 8 |
Nearby area codes
How to dial area code 920
- Within North America: 920 + 7-digit number (920-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 920, then the 7-digit number — for example 00 1 920 NXX-XXXX from most of Europe.
Frequently asked questions
What area code is 920?
920 is a North American Numbering Plan area code assigned to Wisconsin, the United States. It covers about 1,314,315 people in 160 towns.
Is 920 a US or Canadian area code?
920 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 920 in?
Area code 920 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.