Area code 520 is assigned to Arizona covering Tucson, Sierra Vista, and 6 numbers there have accumulated enough FTC complaints to be listed on this page. Debt-collection contacts are the single largest complaint category tied to these numbers, making up 75% of classified reports. Complaint volume has climbed over the trailing 12 months, with more reports in the second half of that window than the first, worth extra caution if you're screening a call from this area code right now.
Showing 6 phone numbers in area code 520 (Arizona) with reported complaints. Click any number for full caller details and complaint history.