| 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 |
|---|---|---|---|
| 605-363 | Humboldt | Minnehaha | Landline |
| 605-253 | Worthing | Lincoln | Landline |
| 605-463 | Tabor | Bon Homme | Landline |
| 605-374 | Lemmon | Perkins | Landline |
| 605-628 | Willow Lake | Clark | Landline |
| 605-441 | Martin | Bennett | Wireless |
| 605-523 | Canova | Miner | Landline |
| 605-226 | Aberdeen | Brown | Landline |
| 605-771 | Gettysburg | Potter | Wireless |
| 605-372 | Lennox | Lincoln | Landline |
| 605-678 | Labolt | Grant | Landline |
| 605-597 | Mitchell | Davison | Landline |
| 605-551 | Britton | Marshall | Wireless |
| 605-489 | Chester | Lake | Landline |
| 605-220 | Pierre | Hughes | Wireless |
| 605-436 | Seneca | Faulk | Landline |
| 605-532 | Clark | Clark | Landline |
| 605-259 | White River | Mellette | Landline |
| 605-775 | Burke | Gregory | Landline |
| 605-760 | Yankton | Yankton | Wireless |