Spam Phone Numbers Reported to the FTC
South Dakota phone numbers recently reported (last 30 days) for making unwanted sales calls or robocalls:
| Phone Number | FTC Complaints | Last Reported |
|---|---|---|
| (605) 608-9025 | ||
| (605) 653-3895 | ||
| (605) 695-5410 | ||
| (605) 663-7992 | ||
| (605) 924-2311 | ||
| (605) 480-8976 | ||
| (605) 480-9431 | ||
| (605) 982-6551 | ||
| (605) 667-8132 | ||
| (605) 736-8420 |
In May 2026, South Dakota residents filed 416 complaints to the FTC about phone numbers making unwanted calls and text messages, down 18% from the previous month.
Phone Scams 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.
South Dakota Division of Consumer Protection: File a regional report directly with state authorities by calling (800) 300-1986.
Phone Number Lookup by Area Code
Top cities covered by each SD area code to help you start your reverse number check:
| Area Codes | Cities |
|---|---|
| 605 | Sioux Falls, Rapid City, Aberdeen |
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 |
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.