| 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 |
|---|---|---|---|
| 414-377 | Milwaukee | Hales Corners, WI | Level 3 Communications |
| 414-378 | Milwaukee | Milwaukee, WI | New Cingular Wireless PCS - IL |
| 414-379 | Milwaukee | Milwaukee, WI | New Cingular Wireless PCS - IL |
| 414-380 | Milwaukee | Milwaukee, WI | United States Cellular Corp. - Wisconsin |
| 414-382 | Milwaukee | Milwaukee, WI | Ameritech Wisconsin |
| 414-383 | Milwaukee | Milwaukee, WI | Ameritech Wisconsin |
| 414-384 | Milwaukee | Milwaukee, WI | Ameritech Wisconsin |
| 414-385 | Milwaukee | Milwaukee, WI | Ameritech Wisconsin |
| 414-386 | Milwaukee | Milwaukee, WI | Global Crossing Telemanagement-wi |
| 414-388 | Milwaukee | Milwaukee, WI | Sprint Spectrum L.p. |
| 414-389 | Milwaukee | Milwaukee, WI | Ameritech Wisconsin |
| 414-390 | Milwaukee | Milwaukee, WI | Ameritech Wisconsin |
| 414-391 | Milwaukee | Milwaukee, WI | Sprint Spectrum L.p. |
| 414-393 | Milwaukee | Milwaukee, WI | Ameritech Wisconsin |
| 414-394 | Milwaukee | Milwaukee, WI | T-mobile Usa |
| 414-395 | Milwaukee | Milwaukee, WI | Bandwidth.com Clec |
| 414-397 | Milwaukee | Milwaukee, WI | Sprint Spectrum L.p. |
| 414-399 | Milwaukee | Milwaukee, WI | Cellco Partnership DBA Verizon Wireless |
| 414-400 | Milwaukee | Milwaukee, WI | Neutral Tandem-illinois |
| 414-402 | Milwaukee | Milwaukee, WI | Usa Mobility Wireless |
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.