(414) 338-9988
(414) 338-9988 is likely a robocall: 3 FTC complaints, 67% recorded messages, mostly about medical and prescription offers.
- No new complaints since Mar 11, 2024 (FTC data through Nov 13, 2026).
- More FTC complaints than 97% of the 17,974 numbers with FTC complaints in area code 414.
- Only 3 numbers in the 414-338 block have more complaints, of 227 there with FTC complaints.
Complaint history
3 FTC complaints between Nov 15, 2023 and Mar 11, 2024.
The FTC complaints came in 2 of the 5 months from Nov 2023 to Mar 2024; the busiest was Mar 2024, with 2 of 3.
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
3 of its 3 FTC complaints (100%) are about medical and prescription offers, against 11% of the 21,033 FTC complaints about all numbers in area code 414.
Complaint categories chosen by FTC complainants:
- Medical & prescriptions 3 · 100%
Who called
The number's block is assigned to Onvoy, LLC.
Is it a debt collector?
Nothing says it is: none of its 3 complaints describe debt collection.
Nearby numbers in 414-338
227 numbers in 414-338 have 275 FTC complaints between them (46% robocalls), 3 of them about (414) 338-9988. The commonest categories in the block: Dropped call or no message (17%), Medical & prescriptions (10%), Reducing your debt (credit cards, mortgage, student loans) (9%).
The closest reported numbers on either side of (414) 338-9988, in number order.
When the calls came
Time of day of 3 calls; most often the 1 p.m. hour (2):
Day of the week of 3 calls; most often Monday (2):
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)
- MILWAUKZN1, WI, 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.
3 of 3 complainants (100%) have area code 414, the number's own. Scam callers often show a local-looking number (“neighbour spoofing”); a local business calling nearby customers looks the same.
All 3 FTC complainants were in Wisconsin. Statewide, Wisconsin ranks #37 of the 50 states and DC for Do Not Call complaints per resident: 37,028 in the last 12 months, 619.9 per 100,000 people. Spam calls in Wisconsin.
Where FTC complainants were located (U.S. states):
- Wisconsin 3 · 100%
Complainants' cities:
Madison, WI (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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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 (414) 338-9988
- Who called me from (414) 338-9988?
- 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 MILWAUKZN1, WI) (NANPA, Nov 3, 2026); numbers can move between carriers, so the caller's provider may differ.
- Is (414) 338-9988 a scam?
- Canadial rates it low risk, from 3 complaints, latest Mar 11, 2024, 67% robocalls.
- Is (414) 338-9988 a debt collector or collection agency?
- Nothing says it is: none of its 3 complaints describe debt collection.
- Should I call (414) 338-9988 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 (414) 338-9988 been reported?
- 3 complaints to the U.S. FTC's Do Not Call registry between Nov 15, 2023 and Mar 11, 2024.
- What do callers from (414) 338-9988 say?
- 3 of its 3 FTC complaints (100%) are about medical and prescription offers, against 11% of the 21,033 FTC complaints about all numbers in area code 414.
- When does (414) 338-9988 call?
- In FTC complaints, the most common time was the 1 p.m. hour (2 of 3 calls with a time); the most common day was Monday (2 of 3).
Data updated: FTC complaints through Nov 13, 2026; numbering records as of Nov 3, 2026; community reports live. How this page is built.