South Dakota Phone Number Lookup

South Dakota Area Codes and Their Locations

Due to the rising frequency of scam calls, phone users are wary of accepting calls from unknown area codes. Knowing the area code for South Dakota can help residents verify information provided by unknown callers about where they are calling from. They can also identify unknown callers by searching their phone numbers with reverse phone lookup services.

South Dakota only has one area code:

605 - Location

Who Controls South Dakota Area Codes?

Control over the numbering resources allocated by the NANP Administrator is accorded to each state. States are solely responsible for the implementation and management of their number resources and this is typically handled by the public utility regulatory body. In the State of South Dakota, this is the South Dakota Public Utilities Commission. South Dakota is one of the few states with only one area code.

Where is Area Code 605?

Area code 605 is the telephone area code for the entire state of South Dakota. It is one of the original area codes introduced in 1947. Some communities covered by this area code are Aberdeen, Belle Fourche, Brookings, Canton, Custer, Dell Rapids, Elk Point, Flandreau, Fort Pierre, Gettysburg, Harrisburg, Hot Springs, Huron, Lennox, Madison, Mitchell, Mobridge, North Sioux City, Rapid City, Redfield, Sioux Falls, Spearfish, Sturgis, Tea, Watertown, Winner, Vermillon, and Yankton.