Use our free South Dakota phone lookup service to check whether a number is reported for spam or robocalls. Reverse lookup any cell/mobile, landline, or VoIP number.
50,509 Do Not Call and robocall complaints reported to FTC from South Dakota.
605 covers every corner of South Dakota. Sioux Falls, Rapid City, rural farming communities, all share the same area code.
South Dakota has approximately 1.2 million active phone numbers. Cell phones make up the majority with 959,000 users, while traditional landlines have diminished to 113,000 connections statewide. Internet phone services account for about 108,000 numbers.
In August 2026, South Dakota residents filed 464 complaints to the FTC about phone numbers making unwanted calls and text messages, up 27% from the previous month.
South Dakota phone numbers recently reported for making unwanted sales calls or robocalls:
| Phone Number | FTC Complaints | Last Reported |
|---|---|---|
| (605) 865-7569 | ||
| (605) 309-3039 | ||
| (605) 409-1976 | ||
| (605) 315-5105 | ||
| (605) 865-7569 | ||
| (605) 341-4414 | ||
| (605) 667-9550 | ||
| (605) 777-0125 | ||
| (605) 349-8980 | ||
| (605) 847-7943 |
Yes. South Dakota has no comprehensive state consumer privacy law. Residents using reverse phone lookup services for personal purposes face no state-level restrictions. Federal FCRA rules apply here as in every state: lookup results may not be used for employment screening, tenant decisions, or credit and insurance underwriting.
South Dakota doesn't have a privacy law, but you can still request removal from phone directory sites. Go to each site's privacy page and fill out their opt-out or removal form.
A reverse phone lookup can provide a business name, but that alone does not confirm legitimacy. While South Dakota has over 28,857 business establishments based on Census data, you should verify the company by searching for it in the South Dakota Business Info Search.
South Dakota has 959,000 mobile subscriptions, 108,000 VoIP lines, and 113,000 landlines.