(437) 900-5563
Toronto, ON
(437) 900-5563 has 2 FCC complaints.
- No new complaints since Dec 21, 2021 (FTC data through Nov 13, 2026).
Complaint history
Complaints to the FCC
2 complaints to the U.S. Federal Communications Commission between Dec 20, 2021 and Dec 21, 2021.
Both heard a live person. They filed them as unwanted calls (2). The calls were about computer other (2). Complainants were in Massachusetts (2).
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.
Who called
The number's block is assigned to Iristel Inc. in Toronto, ON.
Is it a debt collector?
Nothing says it is: none of its 2 complaints describe debt collection.
Nearby numbers in 437-900
The closest reported numbers on either side of (437) 900-5563, in number order.
All reported numbers in 437-900 →Location
- Location of the number block
- Toronto, ON, Canada
- Block assigned to
- Iristel Inc.
From the Canadian Numbering 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.
Searches on Canadial
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Report (437) 900-5563
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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 Ontario.
- 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 Ontario.
Questions about (437) 900-5563
- Who called me from (437) 900-5563?
- No complaint names the caller. The number is in a block assigned to Iristel Inc. in Toronto, ON (CNAC, Nov 3, 2026); numbers can move between carriers, so the caller's provider may differ.
- Is (437) 900-5563 a scam?
- Canadial rates it low risk, from 2 complaints, latest Dec 21, 2021.
- Is (437) 900-5563 a debt collector or collection agency?
- Nothing says it is: none of its 2 complaints describe debt collection.
- Should I call (437) 900-5563 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 (437) 900-5563 been reported?
- 2 complaints to the U.S. FCC between Dec 20, 2021 and Dec 21, 2021.
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.