(516) 400-3786
(516) 400-3786 is likely a robocall: 4 FTC complaints, 75% recorded messages, mostly about lotteries, prizes and sweepstakes.
- No new complaints since Sep 29, 2025 (FTC data through Nov 13, 2026).
- More FTC complaints than 97% of the 36,341 numbers with FTC complaints in area code 516.
- Only 3 numbers in the 516-400 block have more complaints, of 97 there with FTC complaints.
Complaint history
4 FTC complaints between Oct 3, 2024 and Sep 29, 2025.
The FTC complaints came in 3 of the 12 months from Oct 2024 to Sep 2025; the busiest was Sep 2025, with 2 of 4.
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
4 of its 4 FTC complaints (100%) are about lotteries, prizes and sweepstakes, against 7% of the 48,401 FTC complaints about all numbers in area code 516.
Complaint categories chosen by FTC complainants:
- Lotteries, prizes & sweepstakes 4 · 100%
Who called
The number's block is assigned to Bandwidth.com CLEC, LLC.
Is it a debt collector?
Nothing says it is: none of its 4 complaints describe debt collection.
Nearby numbers in 516-400
The closest reported numbers on either side of (516) 400-3786, in number order.
When the calls came
Time of day of 3 calls; most often the 3 p.m. hour (2):
Day of the week of 4 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)
- NASSAUZN03, NY, USA
- Block assigned to
- Bandwidth.com CLEC, 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.
None of 4 complainants have area code 516, the number's own. The calls reached people elsewhere, so this isn't a local caller to them.
Most FTC complainants were in Maryland (2 of 4); others in California (1) and Minnesota (1). Statewide, Maryland ranks #18 of the 50 states and DC for Do Not Call complaints per resident: 48,272 in the last 12 months, 770.5 per 100,000 people. Spam calls in Maryland.
Where FTC complainants were located (U.S. states):
- Maryland 2 · 50%
- California 1 · 25%
- Minnesota 1 · 25%
Complainants' cities:
Derwood, MD (2) · Osseo, MN (1) · Portola Valley, CA (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 (516) 400-3786
- Who called me from (516) 400-3786?
- No complaint names the caller; FTC complainants most often said the calls were about lotteries, prizes and sweepstakes. The number is in a block assigned to Bandwidth.com CLEC, LLC (rate centre NASSAUZN03, NY) (NANPA, Nov 3, 2026); numbers can move between carriers, so the caller's provider may differ.
- Is (516) 400-3786 a scam?
- Canadial rates it medium risk, from 4 complaints, latest Sep 29, 2025, 75% robocalls.
- Is (516) 400-3786 a debt collector or collection agency?
- Nothing says it is: none of its 4 complaints describe debt collection.
- Should I call (516) 400-3786 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 (516) 400-3786 been reported?
- 4 complaints to the U.S. FTC's Do Not Call registry between Oct 3, 2024 and Sep 29, 2025.
- What do callers from (516) 400-3786 say?
- 4 of its 4 FTC complaints (100%) are about lotteries, prizes and sweepstakes, against 7% of the 48,401 FTC complaints about all numbers in area code 516.
- When does (516) 400-3786 call?
- In FTC complaints, the most common time was the 3 p.m. hour (2 of 3 calls with a time).
Data updated: FTC complaints through Nov 13, 2026; numbering records as of Nov 3, 2026; community reports live. How this page is built.