| 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 |
|---|---|---|---|
| 605-554 | Huron | Beadle | Landline |
| 605-243 | Geddes | Charles Mix | Landline |
| 605-957 | Beresford | Union | Landline |
| 605-738 | Veblen | Marshall | Landline |
| 605-457 | Quinn | Pennington | Landline |
| 605-593 | Rapid City | Pennington | Landline |
| 605-940 | Sioux Falls | Minnehaha | Wireless |
| 605-993 | Wall | Pennington | Landline |
| 605-212 | Sioux Falls | Minnehaha | Wireless |
| 605-702 | Sturgis | Meade | Landline |
| 605-572 | Armour | Douglas | Wireless |
| 605-695 | Burbank | Clay | Wireless |
| 605-385 | Ellsworth Afb | Meade | Landline |
| 605-687 | Eureka | Mcpherson | Landline |
| 605-751 | Beresford | Union | Wireless |
| 605-347 | Sturgis | Meade | Landline |
| 605-835 | Gregory | Gregory | Landline |
| 605-592 | Aurora | Brookings | Wireless |
| 605-724 | Armour | Douglas | Landline |
| 605-464 | Tyndall | Bon Homme | Wireless |