(603) 404-5503
Derry, NH
(603) 404-5503 has 2 FTC complaints, mostly about dropped calls or silence.
- No new complaints since Oct 3, 2022 (FTC data through Nov 13, 2026).
- More FTC complaints than 87% of the 22,324 numbers with FTC complaints in area code 603.
Complaint history
2 FTC complaints between Sep 19, 2022 and Oct 3, 2022.
The FTC complaints came in every month from Sep 2022 to Oct 2022.
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 2 FTC complaints (50%) is about dropped calls or silence, against 16% of the 27,278 FTC complaints about all numbers in area code 603.
Complaint categories chosen by FTC complainants:
- Dropped call or no message 1 · 50%
- Warranties & protection plans 1 · 50%
Who called
The number's block is assigned to Onvoy, LLC in Derry, NH.
Is it a debt collector?
Nothing says it is: none of its 2 complaints describe debt collection.
Nearby numbers in 603-404
58 numbers in 603-404 have 91 FTC complaints between them (35% robocalls), 2 of them about (603) 404-5503. The commonest categories in the block: Dropped call or no message (29%), Warranties & protection plans (7%).
The closest reported numbers on either side of (603) 404-5503, in number order.
When the calls came
Time of day of 2 calls:
Day of the week of 2 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
- Location of the number block
- Derry, NH, 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.
FTC complainants were in Maryland (1) and Massachusetts (1).
Where FTC complainants were located (U.S. states):
- Maryland 1 · 50%
- Massachusetts 1 · 50%
Complainants' cities:
Fort Wash, MD (1) · Methuen, MA (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 (603) 404-5503
- Who called me from (603) 404-5503?
- No complaint names the caller; FTC complainants most often said the calls were about dropped calls or silence. The number is in a block assigned to Onvoy, LLC in Derry, NH (NANPA, Nov 3, 2026); numbers can move between carriers, so the caller's provider may differ.
- Is (603) 404-5503 a scam?
- Canadial rates it low risk, from 2 complaints, latest Oct 3, 2022.
- Is (603) 404-5503 a debt collector or collection agency?
- Nothing says it is: none of its 2 complaints describe debt collection.
- Should I call (603) 404-5503 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 (603) 404-5503 been reported?
- 2 complaints to the U.S. FTC's Do Not Call registry between Sep 19, 2022 and Oct 3, 2022.
- What do callers from (603) 404-5503 say?
- 1 of its 2 FTC complaints (50%) is about dropped calls or silence, against 16% of the 27,278 FTC complaints about all numbers in area code 603.
- When does (603) 404-5503 call?
- In FTC complaints, the most common day was Monday (2 of 2).
Data updated: FTC complaints through Nov 13, 2026; numbering records as of Nov 3, 2026; community reports live. How this page is built.