| General Information about Area Code 605 | |
|---|---|
| Country | United States |
| State / Province / Territory | South Dakota |
| Major City | Sioux Falls |
| Time Zone | Central (UTC-06:00) |
| Prefix | Primary City | County | Phone Type |
|---|---|---|---|
| 605-446 | Colton | Minnehaha | Landline |
| 605-445 | Milbank | Grant | Landline |
| 605-897 | Turton | Spink | Landline |
| 605-493 | Amherst | Marshall | Landline |
| 605-288 | Wounded Knee | Oglala Lakota | Landline |
| 605-263 | Irene | Clay | Landline |
| 605-281 | Hosmer | Edmunds | Wireless |
| 605-630 | Mitchell | Davison | Wireless |
| 605-697 | Brookings | Brookings | Landline |
| 605-647 | Lennox | Lincoln | Landline |
| 605-889 | Pollock | Campbell | Landline |
| 605-864 | Flandreau | Moody | Wireless |
| 605-876 | Brandt | Deuel | Landline |
| 605-596 | Tulare | Spink | Landline |
| 605-831 | Gregory | Gregory | Wireless |
| 605-368 | Tea | Lincoln | Landline |
| 605-231 | Sioux Falls | Minnehaha | Wireless |
| 605-868 | Watertown | Codington | Wireless |
| 605-748 | Faith | Meade | Landline |
| 605-906 | Sioux Falls | Minnehaha | Landline |