(520) 333-6637
Tucson, AZ
(520) 333-6637 has 2 FCC complaints.
- No new complaints since Apr 14, 2024 (FTC data through Nov 13, 2026).
Complaint history
Complaints to the FCC
2 complaints to the U.S. Federal Communications Commission between Mar 21, 2024 and Apr 14, 2024.
Both got a text message. They filed them as unwanted calls (2). The calls were about political (1). Complainants were in Alaska (1) and Ohio (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.
Who called
The number's block is assigned to Bandwidth.com CLEC, LLC in Tucson, AZ.
Is it a debt collector?
Nothing says it is: none of its 2 complaints describe debt collection.
Nearby numbers in 520-333
43 numbers in 520-333 have 57 FTC complaints between them (51% robocalls). The commonest categories in the block: Dropped call or no message (39%), Medical & prescriptions (9%), Calls pretending to be government, businesses, or family and friends (7%).
The closest reported numbers on either side of (520) 333-6637, in number order.
All reported numbers in 520-333 →Location
- Location of the number block
- Tucson, AZ, 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.
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Report (520) 333-6637
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Recent community reports
No community reports yet. Be the first to describe this call.
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 (520) 333-6637
- Who called me from (520) 333-6637?
- No complaint names the caller. The number is in a block assigned to Bandwidth.com CLEC, LLC in Tucson, AZ (NANPA, Nov 3, 2026); numbers can move between carriers, so the caller's provider may differ.
- Is (520) 333-6637 a scam?
- Canadial rates it low risk, from 2 complaints, latest Apr 14, 2024.
- Is (520) 333-6637 a debt collector or collection agency?
- Nothing says it is: none of its 2 complaints describe debt collection.
- Should I call (520) 333-6637 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 (520) 333-6637 been reported?
- 2 complaints to the U.S. FCC between Mar 21, 2024 and Apr 14, 2024.
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.