| 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 |
|---|---|---|---|
| 605-472 | Redfield | Spink | Landline |
| 605-325 | Andover | Day | Landline |
| 605-534 | Colman | Moody | Landline |
| 605-487 | Lake Andes | Charles Mix | Landline |
| 605-636 | Madison | Lake | Landline |
| 605-691 | Burbank | Clay | Wireless |
| 605-684 | Colman | Moody | Landline |
| 605-762 | Glenham | Walworth | Landline |
| 605-452 | Wood | Mellette | Landline |
| 605-627 | Volga | Brookings | Landline |
| 605-745 | Hot Springs | Fall River | Landline |
| 605-857 | Yankton | Yankton | Wireless |
| 605-449 | Alexandria | Hanson | Landline |
| 605-440 | Custer | Custer | Wireless |
| 605-788 | Bison | Perkins | Landline |
| 605-681 | Sioux Falls | Minnehaha | Wireless |
| 605-673 | Custer | Custer | Landline |
| 605-941 | Sioux Falls | Minnehaha | Wireless |
| 605-246 | Spencer | Mccook | Landline |
| 605-378 | Saint Francis | Todd | Landline |