(603) 552-6359
Derry, NH
(603) 552-6359 is reported as unwanted: 2 FTC complaints and 1 FCC complaint, mostly about impersonating a government agency, business or relative.
- No new complaints since Oct 3, 2024 (FTC data through Nov 13, 2026).
- More FTC complaints than 87% of the 22,324 numbers with FTC complaints in area code 603.
- Only 3 numbers in the 603-552 block have more complaints, of 69 there with FTC complaints.
Complaint history
2 FTC complaints between Jan 18, 2024 and Jun 18, 2024.
The FTC complaints came in 2 of the 6 months from Jan 2024 to Jun 2024.
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.
Complaints to the FCC
1 complaint to the U.S. Federal Communications Commission on Oct 3, 2024; all gave it as the number to call back rather than the caller ID.
The complainant heard a live person. They filed it as unwanted calls (1). The calls were about health insurance (1). Complainants were in New Hampshire (1).
Source: FCC Consumer Help Center, Consumer Complaints Data (public domain), complaints about unwanted calls, telemarketing and robocalls. The FCC doesn't verify the facts alleged in complaints, and neither do we.
What callers claimed
1 of its 2 FTC complaints (50%) is about impersonating a government agency, business or relative, against 8% of the 27,278 FTC complaints about all numbers in area code 603.
Complaint categories chosen by FTC complainants:
- Calls pretending to be government, businesses, or family and friends 1 · 50%
- Medical & prescriptions 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 3 complaints describe debt collection.
Nearby numbers in 603-552
69 numbers in 603-552 have 83 FTC complaints between them (40% robocalls), 2 of them about (603) 552-6359. The commonest categories in the block: Calls pretending to be government, businesses, or family and friends (22%), Dropped call or no message (16%), Medical & prescriptions (13%).
The closest reported numbers on either side of (603) 552-6359, in number order.
When the calls came
Day of the week of 2 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
- 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 Massachusetts (1) and New Hampshire (1).
Where FTC complainants were located (U.S. states):
- Massachusetts 1 · 50%
- New Hampshire 1 · 50%
Complainants' cities:
Ayer, MA (1) · Lempster, NH (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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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) 552-6359
- Who called me from (603) 552-6359?
- No complaint names the caller; FTC complainants most often said the calls were about impersonating a government agency, business or relative. 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) 552-6359 a scam?
- Canadial rates it low risk, from 3 complaints, latest Oct 3, 2024.
- Is (603) 552-6359 a debt collector or collection agency?
- Nothing says it is: none of its 3 complaints describe debt collection.
- Should I call (603) 552-6359 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) 552-6359 been reported?
- 2 complaints to the U.S. FTC's Do Not Call registry between Jan 18, 2024 and Jun 18, 2024 and 1 complaint to the U.S. FCC on Oct 3, 2024.
- What do callers from (603) 552-6359 say?
- 1 of its 2 FTC complaints (50%) is about impersonating a government agency, business or relative, against 8% of the 27,278 FTC complaints about all numbers in area code 603.
Data updated: FTC complaints through Nov 13, 2026; FCC complaints refreshed daily; numbering records as of Nov 3, 2026; community reports live. How this page is built.