(603) 370-3887
(603) 370-3887 is likely a robocall: 3 FTC complaints, 100% recorded messages, mostly about dropped calls or silence.
- No new complaints since Sep 7, 2023 (FTC data through Nov 13, 2026).
- More FTC complaints than 96% of the 22,324 numbers with FTC complaints in area code 603.
- Only 2 numbers in the 603-370 block have more complaints, of 36 there with FTC complaints.
Complaint history
3 FTC complaints between Jun 24, 2023 and Sep 7, 2023.
The FTC complaints came in 3 of the 4 months from Jun 2023 to Sep 2023.
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
2 of its 3 FTC complaints (67%) are 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 2 · 67%
- Not specified / other 1 · 33%
Who called
The number's block is assigned to Level 3 Communications, LLC.
Is it a debt collector?
Nothing says it is: none of its 3 complaints describe debt collection.
Nearby numbers in 603-370
36 numbers in 603-370 have 52 FTC complaints between them (60% robocalls), 3 of them about (603) 370-3887. The commonest categories in the block: Dropped call or no message (29%), Medical & prescriptions (13%).
The closest reported numbers on either side of (603) 370-3887, in number order.
When the calls came
Time of day of 3 calls:
Day of the week of 3 calls; most often Saturday (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)
- CANDIA, NH, USA
- Block assigned to
- Level 3 Communications, 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.
2 of 3 complainants (67%) have area code 603, 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 New Hampshire (2 of 3); others in North Carolina (1). Statewide, New Hampshire ranks #28 of the 50 states and DC for Do Not Call complaints per resident: 10,082 in the last 12 months, 712.3 per 100,000 people. Spam calls in New Hampshire.
Where FTC complainants were located (U.S. states):
- New Hampshire 2 · 67%
- North Carolina 1 · 33%
Complainants' cities:
Milton, NH (1) · Mont Vernon, NH (1) · Raleigh, NC (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) 370-3887
- Who called me from (603) 370-3887?
- 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 Level 3 Communications, LLC (rate centre CANDIA, NH) (NANPA, Nov 3, 2026); numbers can move between carriers, so the caller's provider may differ.
- Is (603) 370-3887 a scam?
- Canadial rates it medium risk, from 3 complaints, latest Sep 7, 2023, 100% robocalls.
- Is (603) 370-3887 a debt collector or collection agency?
- Nothing says it is: none of its 3 complaints describe debt collection.
- Should I call (603) 370-3887 back?
- No. Calling back can confirm that your line is answered. If the caller claimed to be a company or agency you deal with, contact it on a number you find yourself.
- How many times has (603) 370-3887 been reported?
- 3 complaints to the U.S. FTC's Do Not Call registry between Jun 24, 2023 and Sep 7, 2023.
- What do callers from (603) 370-3887 say?
- 2 of its 3 FTC complaints (67%) are about dropped calls or silence, against 16% of the 27,278 FTC complaints about all numbers in area code 603.
- When does (603) 370-3887 call?
- In FTC complaints, the most common day was Saturday (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.