(602) 428-6604
Phoenix, AZ
(602) 428-6604 is likely an unwanted sales call: 6 FTC complaints, 17% recorded messages.
- No new complaints since Jun 12, 2023 (FTC data through Nov 13, 2026).
- More FTC complaints than 99% of the 31,604 numbers with FTC complaints in area code 602.
- Only 6 numbers in the 602-428 block have more complaints, of 159 there with FTC complaints.
Complaint history
6 FTC complaints between Mar 17, 2023 and Jun 12, 2023.
The FTC complaints came in 2 of the 4 months from Mar 2023 to Jun 2023; the busiest was Jun 2023, with 5 of 6.
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:
- Not specified / other 6 · 100%
Who called
The number's block is assigned to Bandwidth.com CLEC, LLC in Phoenix, AZ.
Is it a debt collector?
Nothing says it is: none of its 6 complaints describe debt collection.
Nearby numbers in 602-428
The closest reported numbers on either side of (602) 428-6604, in number order.
When the calls came
Time of day of 6 calls; most often the 9 a.m. hour (4):
Day of the week of 6 calls; most often Friday (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
- Location of the number block
- Phoenix, 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.
None of 6 complainants have area code 602, the number's own. The calls reached people elsewhere, so this isn't a local caller to them.
Most FTC complainants were in Massachusetts (5 of 6); others in Wisconsin (1). Statewide, Massachusetts ranks #29 of the 50 states and DC for Do Not Call complaints per resident: 49,266 in the last 12 months, 688.6 per 100,000 people. Spam calls in Massachusetts.
Where FTC complainants were located (U.S. states):
- Massachusetts 5 · 83%
- Wisconsin 1 · 17%
Complainants' cities:
Fountain City, WI (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 (602) 428-6604
- Who called me from (602) 428-6604?
- No complaint names the caller. The number is in a block assigned to Bandwidth.com CLEC, LLC in Phoenix, AZ (NANPA, Nov 3, 2026); numbers can move between carriers, so the caller's provider may differ.
- Is (602) 428-6604 a scam?
- Canadial rates it low risk, from 6 complaints, latest Jun 12, 2023, 17% robocalls.
- Is (602) 428-6604 a debt collector or collection agency?
- Nothing says it is: none of its 6 complaints describe debt collection.
- Should I call (602) 428-6604 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 (602) 428-6604 been reported?
- 6 complaints to the U.S. FTC's Do Not Call registry between Mar 17, 2023 and Jun 12, 2023.
- When does (602) 428-6604 call?
- In FTC complaints, the most common time was the 9 a.m. hour (4 of 6 calls with a time); the most common day was Friday (2 of 6).
Data updated: FTC complaints through Nov 13, 2026; numbering records as of Nov 3, 2026; community reports live. How this page is built.