(520) 456-9503
(520) 456-9503 has 1 FTC complaint.
Most common complaint: impersonating a government agency, business or relative (100% of FTC complaints).
- No new complaints since Jul 9, 2025 (FTC data through Nov 13, 2026).
- Only 6 numbers in the 520-456 block have more complaints, of 36 there with FTC complaints.
Complaint history
1 FTC complaint on Jul 9, 2025.
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
Complaint categories chosen by FTC complainants:
- Calls pretending to be government, businesses, or family and friends 1 · 100%
Who called
The number's block is assigned to Qwest Corporation.
Is it a debt collector?
Nothing says it is: its one complaint doesn't describe debt collection.
Nearby numbers in 520-456
36 numbers in 520-456 have 86 FTC complaints between them (17% robocalls), 1 of them about (520) 456-9503. The commonest categories in the block: Medical & prescriptions (8%), Dropped call or no message (5%).
The closest reported numbers on either side of (520) 456-9503, in number order.
All reported numbers in 520-456 →Location
- Rate centre (NANPA abbreviation)
- SIERRAVIST, AZ, USA
- Block assigned to
- Qwest Corporation
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.
The one FTC complainant was in Arizona. Statewide, Arizona ranks #5 of the 50 states and DC for Do Not Call complaints per resident: 76,588 in the last 12 months, 1004.6 per 100,000 people. Spam calls in Arizona.
Where FTC complainants were located (U.S. states):
- Arizona 1 · 100%
Complainants' cities:
Tucson, AZ (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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Report (520) 456-9503
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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) 456-9503
- Who called me from (520) 456-9503?
- No complaint names the caller. The number is in a block assigned to Qwest Corporation (rate centre SIERRAVIST, AZ) (NANPA, Nov 3, 2026); numbers can move between carriers, so the caller's provider may differ.
- Is (520) 456-9503 a scam?
- Canadial rates it low risk, from 1 complaint, latest Jul 9, 2025.
- Is (520) 456-9503 a debt collector or collection agency?
- Nothing says it is: its one complaint doesn't describe debt collection.
- Should I call (520) 456-9503 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) 456-9503 been reported?
- 1 complaint to the U.S. FTC's Do Not Call registry on Jul 9, 2025.
- What do callers from (520) 456-9503 say?
- The most common complaint category is "Calls pretending to be government, businesses, or family and friends" (100% of FTC complaints).
Data updated: FTC complaints through Nov 13, 2026; numbering records as of Nov 3, 2026; community reports live. How this page is built.