| District of Wisconsin area codes: 920 | |
|---|---|
| Country | United States |
| State/Province | Wisconsin |
| Major City | Milwaukee |
| Time Zone | Central |
| Prefix | County | Primary City | Company |
|---|---|---|---|
| 920-747 | Jefferson | Jefferson, WI | T-mobile Usa |
| 920-748 | Fond Du Lac | Ripon, WI | Centurytel Midwest-wi LLC Nw DBA Centurylink - NW |
| 920-749 | Outagamie | Appleton, WI | Ameritech Wisconsin |
| 920-750 | Outagamie | Appleton, WI | New Cingular Wireless PCS - IL |
| 920-751 | Winnebago | Neenah, WI | Ameritech Wisconsin |
| 920-753 | Fond Du Lac | Mount Calvary, WI | Frontier North Inc. |
| 920-754 | Manitowoc | Reedsville, WI | Frontier North Inc. |
| 920-755 | Manitowoc | Mishicot, WI | Frontier North Inc. |
| 920-756 | Calumet | Brillion, WI | Frontier North Inc. |
| 920-757 | Outagamie | Greenville, WI | Ameritech Wisconsin |
| 920-758 | Manitowoc | Manitowoc, WI | Lakefield Telephone Company |
| 920-759 | Outagamie | Kaukauna, WI | Ameritech Wisconsin |
| 920-762 | Manitowoc | Kiel, WI | New Cell DBA Cellcom |
| 920-763 | Dodge | Beaver Dam, WI | Tw Telecom Of Wisconsin L.p. |
| 920-764 | Brown | Wrightstown, WI | New Cell DBA Cellcom |
| 920-765 | Waushara | Wautoma, WI | Wi Rsa #7 Limited Partnership DBA Element Mobile |
| 920-766 | Outagamie | Kaukauna, WI | Ameritech Wisconsin |
| 920-767 | Green Lake | Markesan, WI | Charter Fiberlink |
| 920-768 | Columbia | Fall River, WI | Michigan Wireless DBA Bug Tussel Wireless |
| 920-769 | Manitowoc | Manitowoc, WI | Ovation Communications Of Wisconsin |
There are 678 prefixes, In the code area, the major cities are Appleton, WI;De Pere, WI;Fond Du Lac, WI;Green Bay. The major city is Milwaukee.