(605) 203-4728
(605) 203-4728 is likely an unwanted sales call: 8 FTC complaints, 13% recorded messages.
- No new complaints since Jul 8, 2025 (FTC data through Nov 13, 2026).
- More FTC complaints than 99% of the 15,827 numbers with FTC complaints in area code 605.
- No number in the 605-203 block has more complaints; 28 numbers there have FTC complaints.
Complaint history
8 FTC complaints between Nov 13, 2023 and Jul 8, 2025.
The FTC complaints came in 4 of the 21 months from Nov 2023 to Jul 2025; the busiest was Jun 2025, with 4 of 8.
FTC complaints are filed by consumers with the U.S. Federal Trade Commission's Do Not Call registry; they aren't verified by the FTC or by us.
What callers claimed
1 of its 8 FTC complaints (13%) is about medical and prescription offers, against 6% of the 18,869 FTC complaints about all numbers in area code 605.
Complaint categories chosen by FTC complainants:
- Not specified / other 7 · 88%
- Medical & prescriptions 1 · 13%
Who called
The number's block is assigned to Onvoy, LLC.
Is it a debt collector?
Nothing says it is: none of its 8 complaints describe debt collection.
Nearby numbers in 605-203
The closest reported numbers on either side of (605) 203-4728, in number order.
When the calls came
Time of day of 8 calls:
Day of the week of 8 calls:
The date and time of the call as complainants entered them on the FTC form; the time zone isn't recorded. Times entered as exactly midnight or noon are left out (they're usually the form's default).
Location
- Rate centre (NANPA abbreviation)
- LK PRESTON, SD, USA
- Block assigned to
- Onvoy, LLC
From the North American Numbering Plan Administrator (Nov 3, 2026). This is who the number block was assigned to; numbers can be moved between carriers, and caller IDs can be faked.
8 of 8 complainants (100%) have area code 605, the number's own. Scam callers often show a local-looking number (“neighbour spoofing”); a local business calling nearby customers looks the same.
Most FTC complainants were in South Dakota (7 of 8); others in Minnesota (1). Statewide, South Dakota ranks #45 of the 50 states and DC for Do Not Call complaints per resident: 4,913 in the last 12 months, 525.4 per 100,000 people. Spam calls in South Dakota.
Where FTC complainants were located (U.S. states):
- South Dakota 7 · 88%
- Minnesota 1 · 13%
Complainants' cities:
Mitchell, SD (6) · Aberdeen, SD (1) · Pipestone, MN (1)
As typed on the FTC form, with spelling variants merged; complaints without a city aren't counted.
Searches on Canadial
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Report (605) 203-4728
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Recent community reports
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What to do
- Don't share personal or banking details, or pay anyone, on a call you didn't expect. Hang up and call the organization back on a number you find yourself.
- Block it from your recent calls (iPhone: ⓘ, then “Block this Caller”; Android: long-press, then “Block”).
- Report fraud to the Canadian Anti-Fraud Centre (1-888-495-8501).
- Report telemarketing if you're registered and still got the call: to the National Do Not Call List.
- A collector calling? How to check a collection agency in your province.
- Report fraud to the FTC.
- Report telemarketing if you're registered and still got the call: to the National Do Not Call Registry.
- A collector calling? See the FTC's guide to your rights.
- Report fraud: in the U.S. to the FTC; in Canada to the Canadian Anti-Fraud Centre (1-888-495-8501).
- Report telemarketing if you're registered and still got the call: in the U.S. to the National Do Not Call Registry; in Canada to the National Do Not Call List.
- A collector calling? In the U.S., see the FTC's guide to your rights; in Canada, how to check a collection agency in your province.
Questions about (605) 203-4728
- Who called me from (605) 203-4728?
- No complaint names the caller; FTC complainants most often said the calls were about medical and prescription offers. The number is in a block assigned to Onvoy, LLC (rate centre LK PRESTON, SD) (NANPA, Nov 3, 2026); numbers can move between carriers, so the caller's provider may differ.
- Is (605) 203-4728 a scam?
- Canadial rates it low risk, from 8 complaints, latest Jul 8, 2025, 13% robocalls.
- Is (605) 203-4728 a debt collector or collection agency?
- Nothing says it is: none of its 8 complaints describe debt collection.
- Should I call (605) 203-4728 back?
- Be careful. If you don't recognize it, let it go to voicemail: a legitimate caller will leave a message, and you can reach any real organization on a number you look up yourself.
- How many times has (605) 203-4728 been reported?
- 8 complaints to the U.S. FTC's Do Not Call registry between Nov 13, 2023 and Jul 8, 2025.
- What do callers from (605) 203-4728 say?
- 1 of its 8 FTC complaints (13%) is about medical and prescription offers, against 6% of the 18,869 FTC complaints about all numbers in area code 605.
Data updated: FTC complaints through Nov 13, 2026; numbering records as of Nov 3, 2026; community reports live. How this page is built.