Reverse Phone Lookup: South Dakota

How to Look Up a South Dakota Phone Number

Got a missed call or a weird text from an unknown SD number? It's hard to know who is actually calling. Our database includes 48,997 FTC complaints filed by South Dakota residents. Search results may include:

• Owner name and address (who the number belongs to)
• Location based on area code (the city or area where the line was registered)
• Spam and scam reports by users (if other people have flagged it as a nuisance call)

Phone Numbers Recently Reported for Spam Calls

Here are the top phone numbers recently reported to the FTC for making unwanted sales calls and robocalls (reported by local residents in the last 30 days):

Phone Number	Complaints to FTC	Last Reported
(888) 310-4836	4	May 21, 2026
(605) 975-4003	3	May 12, 2026
(877) 257-9931	2	May 27, 2026
(774) 806-2865	2	May 22, 2026
(605) 468-1618	2	May 21, 2026
(631) 674-5649	2	May 21, 2026
(833) 515-3652	2	May 21, 2026
(833) 469-9048	2	May 21, 2026
(866) 864-2319	2	May 21, 2026
(609) 326-8289	2	May 20, 2026

Monthly FTC Do Not Call & Robocall Complaints Volume

In April 2026, consumers from South Dakota filed 508 complaints about unwanted phone calls and text messages, up 3% from the previous month. In 2024, South Dakota residents filed 3,927 unwanted call complaints with the FTC, of which 2,085 were robocalls and 1,555 involved live callers. The most reported complaint topics were reducing debt (377), medical and prescriptions (320), imposters (313).

Red Flags: Active Phone Scams in South Dakota

Active phone scams currently reported in South Dakota:

• CenturyLink / AT&T Mandatory Digital Switch: Callers threatening businesses with $199 per-line fees unless they agree to a mandatory transition from copper to digital lines.
• Voicemail Forwarding & Hijacking Scam: Hackers compromising carrier accounts to secretly forward inbound calls and voicemails to unknown 605 numbers.
• 'Agneta Bevan' Personal Assistant Text: Fake Indeed recruiters offering $500/week for errand running, directing victims to outlook.com emails for fake check scams.

Phone Number Search by Area Code

South Dakota area codes, coverage regions, and recent spam activity:

Area Code	Major Cities Covered	Lookup / Scams
605	Sioux Falls, Rapid City, Aberdeen	605 Phone Lookup

Report Fraud and Stop Spam Calls

File a report with the following official agencies to flag unwanted calls or texts:

• Federal Trade Commission (FTC): Submit fraud complaints online at reportfraud.ftc.gov.
• National Do Not Call Registry: Register your number or report individual telemarketing violations at donotcall.gov or by calling 1-888-382-1222.
• South Dakota Division of Consumer Protection: File a regional report directly with state authorities by calling (800) 300-1986.

South Dakota Phone Numbers

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.

Voice Subscriptions (thousands)	June 2023	Dec 2023	June 2024
Mobile telephony	931	947	959
Local exchange telephone service	126	118	113
VoIP subscriptions	103	106	108
Total	1,160	1,171	1,180

Source: FCC Voice Telephone Services Report

This means that when you search a phone number, it's most likely a cell phone. The ongoing decline of landlines indicates that newer phone numbers might be more challenging to trace compared to older landline numbers that traditionally had more accessible public information.

Is Reverse Phone Lookup Legal in South Dakota?

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.

FAQs

How do I remove my phone number from South Dakota directories?

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.

How do I know if a South Dakota business phone number is legit?

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.

What types of phone numbers are in South Dakota?

South Dakota has 959,000 mobile subscriptions, 108,000 VoIP lines, and 113,000 landlines.