Area Code 520

FTC complaints involving 520 numbers

Numbers shown with area code 520 in the FTC's Do Not Call “Reported Calls” database (recent reporting window). Most common reported reasons: “Other”, “Reducing your debt (credit cards, mortgage, student loans)”, “Calls pretending to be government, businesses, or family and friends”.

Most-complained 520 numbers:

• (520) 668-4313 — 292 complaints
• (520) 675-1288 — 39 complaints
• (520) 675-1287 — 28 complaints
• (520) 675-1293 — 19 complaints
• (520) 567-5571 — 13 complaints

These are FTC Do Not Call complaints filed about specific numbers shown with this area code — frequently spoofed. The area code itself is not a scam. See the most-reported area codes and the most-reported phone numbers nationwide.

Frequently asked questions

Where is area code 520?

Area code 520 covers Tucson and nearby cities including Casa Grande, Sierra Vista, Oro Valley in Arizona, in the Mountain Time (Arizona, no DST).

What cities use area code 520?

Area code 520 serves Tucson, Casa Grande, Sierra Vista, Oro Valley, Catalina Foothills, and 2 other communities in Arizona.

What time zone is area code 520 in?

Area code 520 is in the Mountain Time (Arizona, no DST) (America/Phoenix).

How do you dial a 520 number?

Dial all 10 digits: 520 followed by the 7-digit local number. From abroad, dial +1 520 and the local number.

Is a call from area code 520 a scam?

A 520 number is geographically tied to Arizona, but caller ID can be spoofed, so the displayed area code does not prove where a caller really is. If you did not expect the call, do not share personal information and consider looking the number up.

Is 520 a country code?

No. 520 is a US area code (a domestic 3-digit code), not a country code. The country (calling) code for the United States is +1, shared across the North American Numbering Plan. So a full 520 number written for international dialing looks like +1 520 followed by the 7-digit local number.