| 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 |
|---|---|---|---|
| 605-331 | Sioux Falls | Minnehaha | Landline |
| 605-965 | Sioux Falls | Minnehaha | Landline |
| 605-248 | Letcher | Sanborn | Landline |
| 605-379 | Long Lake | Mcpherson | Landline |
| 605-351 | Sioux Falls | Minnehaha | Wireless |
| 605-696 | Brookings | Brookings | Landline |
| 605-359 | Sioux Falls | Minnehaha | Wireless |
| 605-659 | Vermillion | Clay | Wireless |
| 605-302 | Redfield | Spink | Landline |
| 605-433 | Wasta | Pennington | Landline |
| 605-256 | Madison | Lake | Landline |
| 605-822 | Saint Francis | Todd | Landline |
| 605-213 | Sioux Falls | Lincoln | Landline |
| 605-685 | Martin | Bennett | Landline |
| 605-730 | Chamberlain | Brule | Wireless |
| 605-366 | Sioux Falls | Minnehaha | Wireless |
| 605-680 | Kimball | Brule | Wireless |
| 605-437 | Herreid | Campbell | Landline |
| 605-869 | Kennebec | Lyman | Landline |
| 605-623 | Revillo | Grant | Landline |