Reverse Phone Lookup by South Dakota Area Code
605 covers every corner of South Dakota. Sioux Falls, Rapid City, rural farming communities, all share the same area code.
- 605 Phone Number Lookup: Sioux Falls, Rapid City, Aberdeen
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.
South Dakota Phone Numbers Reported to the FTC
In September 2026, South Dakota residents filed 378 complaints to the FTC about phone numbers making unwanted calls and text messages, down 19% 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) 316-3660 | ||
| (605) 210-6225 | ||
| (605) 415-9436 | ||
| (605) 608-9021 | ||
| (605) 315-5105 | ||
| (605) 309-3039 | ||
| (605) 409-1976 | ||
| (605) 865-7569 | ||
| (605) 993-4850 |
Look Up All Numbers to Avoid Common 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: (800) 300-1986
Browse South Dakota Phone Directories by City
Look up phone numbers and browse the phone directory for the largest cities in South Dakota.
Official South Dakota Government Phone Directory
If a caller claims to be from a government office in South Dakota, or you need an official number, this government directory lets you check it at the source.
South Dakota State Phone Book
The State of South Dakota Phone Book lists state employees and offices, each with a tap-to-call phone number. Use the Keyword Search in the Filter State Employee Results panel to narrow the list by a name or an office.
The phone book loads inside SD.gov's Citizen Portal, so give the page a moment to appear. The portal also offers a chat assistant.
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 About Phone Number Search in South Dakota
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.
- US Phone Number Lookup
- / South Dakota