| District of Wisconsin area codes: 920 | |
|---|---|
| Country | United States |
| State/Province | Wisconsin |
| Major City | Milwaukee |
| Time Zone | Central |
| Prefix | County | Primary City | Company |
|---|---|---|---|
| 920-201 | Outagamie | Appleton, WI | Usa Mobility Wireless |
| 920-202 | Outagamie | Appleton, WI | United States Cellular Corp. - Wisconsin |
| 920-203 | Winnebago | Oshkosh, WI | Sprint Spectrum L.p. |
| 920-204 | Fond Du Lac | Fond Du Lac, WI | Cellco Partnership DBA Verizon Wireless |
| 920-205 | Outagamie | Appleton, WI | Sprint Spectrum L.p. |
| 920-206 | Jefferson | Watertown, WI | Ameritech Wisconsin |
| 920-207 | Sheboygan | Sheboygan, WI | United States Cellular Corp. - Wisconsin |
| 920-208 | Sheboygan | Sheboygan, WI | Ameritech Wisconsin |
| 920-209 | Outagamie | Appleton, WI | United States Cellular Corp. - Wisconsin |
| 920-210 | Dodge | Beaver Dam, WI | United States Cellular Corp. - Wisconsin |
| 920-212 | Dodge | Mayville, WI | Cellco Partnership DBA Verizon Wireless |
| 920-213 | Outagamie | Appleton, WI | Cellco Partnership DBA Verizon Wireless |
| 920-214 | Dodge | Mayville, WI | Cellco Partnership DBA Verizon Wireless |
| 920-215 | Winnebago | Neenah, WI | Ameritech Wisconsin |
| 920-216 | Winnebago | Oshkosh, WI | New Cingular Wireless PCS - IL |
| 920-217 | Brown | Green Bay, WI | Sprint Spectrum L.p. |
| 920-218 | Manitowoc | Manitowoc, WI | Jsm Tele-page Inc. |
| 920-219 | Dodge | Beaver Dam, WI | Cellco Partnership DBA Verizon Wireless |
| 920-220 | Jefferson | Johnson Creek, WI | Sprint Spectrum L.p. |
| 920-221 | Outagamie | Appleton, WI | Ameritech 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.