The 605 area code belongs to the state of South Dakota (SD) and some of the locations covered are Rapid City, Sioux Falls and more:
| State | Larger cities in area code 605 | Time Zone |
|---|---|---|
| SD South Dakota |
Aberdeen, Brookings, Huron, Mitchell, Pierre, Sioux Falls, Vermillion, Watertown, Yankton | CENTRAL Current time is
04:55:13 PM |
| Rapid City, Rapid Valley, Spearfish More cities |
MOUNTAIN Current time is
03:55:13 PM |