Area code 520 · Arizona
(520) 521-4778
520-521-4778 · 5205214778 · Moderate complaint volume
Consumers have filed 5 complaints about calls from (520) 521-4778 with the Federal Trade Commission and the Federal Communications Commission, between Sep 11, 2026 and Sep 25, 2026. The most common topic is warranties & protection plans (1 of 5 reports), and 0% of callers used a recorded message. All complaints with a location came from Arizona.
Complaint activity for (520) 521-4778
What callers from this number were about
Calls warning that your vehicle or home warranty is about to expire usually come from companies that have no connection with your manufacturer or dealer. Check your actual warranty paperwork before you buy anything over the phone.
Where the complaints came from
Cities named in complaints: Tucson, AZ (3)
Latest complaints
| Date filed | Consumer location | Topic | Type | Source |
|---|---|---|---|---|
| Sep 25, 2026 | AZ | Not specified | Live caller | FTC |
| Sep 24, 2026 | Tucson, AZ | Warranties & protection plans | Live caller | FTC |
| Sep 24, 2026 | AZ | Not specified | Live caller | FTC |
| Sep 11, 2026 | Tucson, AZ | Other | – | FTC |
| Sep 11, 2026 | Tucson, AZ | Other | – | FTC |
Number details
- Formats
- (520) 521-4778 · 520-521-4778 · +1 520-521-4778 · 5205214778
- Area code
- 520 · Arizona
- Rate center
- San Manuel, AZ
- Originally assigned to
- Hd Carrier LLC (prefix 520-521, since 2020)
- First and last complaint
- Sep 11, 2026 – Sep 25, 2026
The carrier shown is the company the prefix was first assigned to by the numbering administrator. Numbers are often ported to other carriers, and caller ID can be faked, so the real caller may be unrelated to this carrier or to the person who owns this number.
Your rights under the TCPA
The Telephone Consumer Protection Act (47 U.S.C. § 227) lets consumers sue over certain prerecorded or autodialed calls made without consent, for $500 per violation, and courts may increase damages up to three times when the violation was willful or knowing.
For telemarketing calls to a number on the National Do Not Call Registry, a private claim generally requires more than one call within 12 months from the same company. Keep a record of dates, times and any company name the caller gave.
Want to take action over calls from (520) 521-4778? Find a New York attorney
General information only, not legal advice. The attorney directory currently covers New York.
How to report an unwanted call
- Federal Trade Commission. Report telemarketing and robocalls at donotcall.gov or by calling 1-888-382-1222. These are the reports that feed most of this site.
- Federal Communications Commission. File an unwanted call or text complaint at consumercomplaints.fcc.gov.
- Your phone carrier. Most carriers offer free spam labeling and call blocking, and some let you forward spam texts to 7726 (SPAM).
- Your state attorney general. Most states have a consumer protection office that takes complaints about telemarketing and scams.
Other reported numbers in area code 520
| Phone number | Complaints | Topic | Last reported |
|---|---|---|---|
| (520) 230-7994 | 3 | Impostor calls | Oct 20, 2026 |
| (520) 680-0392 | 3 | Dropped call or no message | Oct 19, 2026 |
| (520) 201-8718 | 3 | Other | Oct 16, 2026 |
| (520) 655-9819 | 11 | Debt reduction | Oct 14, 2026 |
| (520) 334-9571 | 22 | Impostor calls | Oct 14, 2026 |
| (520) 329-4408 | 4 | Dropped call or no message | Oct 13, 2026 |
| (520) 543-8827 | 4 | Impostor calls | Oct 13, 2026 |
| (520) 521-4709 | 4 | Other | Oct 11, 2026 |
Is this your number?
If you own (520) 521-4778 and believe it is being spoofed, tell your carrier and keep records of the complaints you receive. You can also contact us through the site to add context to this page.