| District of Wisconsin area codes: 414 | |
|---|---|
| Country | United States |
| State/Province | Wisconsin |
| Major City | Milwaukee |
| Time Zone | Central (UTC-06:00) |
| Prefix | County | Primary City | Company |
|---|---|---|---|
| 414-274 | Milwaukee | Milwaukee, WI | Ameritech Wisconsin |
| 414-276 | Milwaukee | Milwaukee, WI | Ameritech Wisconsin |
| 414-277 | Milwaukee | Milwaukee, WI | Ameritech Wisconsin |
| 414-278 | Milwaukee | Milwaukee, WI | Ameritech Wisconsin |
| 414-280 | Milwaukee | Milwaukee, WI | Ameritech Wisconsin |
| 414-281 | Milwaukee | Milwaukee, WI | Ameritech Wisconsin |
| 414-282 | Milwaukee | Milwaukee, WI | Ameritech Wisconsin |
| 414-283 | Milwaukee | Milwaukee, WI | Ameritech Wisconsin |
| 414-286 | Milwaukee | Milwaukee, WI | Ameritech Wisconsin |
| 414-287 | Milwaukee | Milwaukee, WI | Ameritech Wisconsin |
| 414-288 | Milwaukee | Milwaukee, WI | Ameritech Wisconsin |
| 414-289 | Milwaukee | Milwaukee, WI | Ameritech Wisconsin |
| 414-290 | Milwaukee | Milwaukee, WI | Teleport Communications America |
| 414-291 | Milwaukee | Milwaukee, WI | Ameritech Wisconsin |
| 414-292 | Milwaukee | Milwaukee, WI | Tds Metrocom Inc. |
| 414-294 | Milwaukee | Milwaukee, WI | Ameritech Wisconsin |
| 414-297 | Milwaukee | Milwaukee, WI | Ameritech Wisconsin |
| 414-298 | Milwaukee | Milwaukee, WI | Ameritech Wisconsin |
| 414-299 | Milwaukee | Milwaukee, WI | Ameritech Wisconsin |
| 414-301 | Milwaukee | South Milwaukee, WI | Level 3 Communications |
There are 444 prefixes, In the code area, the major cities are Franklin, WI;Greenfield, WI;Milwaukee, WI;Oak Cree. The major city is Milwaukee.