Everything you need to know about area code 520 in Arizona
QUICK FACTS
Arizona
Mountain Time Zone
Split from existing code
Estimated residents served
Arizona
Primary code for this region
ABOUT THIS AREA CODE
Area code 520 serves Tucson, Arizona and southern Arizona including Sierra Vista. It covers the University of Arizona, Saguaro National Park, and the US-Mexico border region.
Phone numbers with the 520 area code follow the format (520) XXX-XXXX, where the next three digits represent the local exchange. The 520 area code is part of the North American Numbering Plan (NANP) and is regulated by the Federal Communications Commission (FCC).
If you receive a call from a 520 number that you don't recognize, you can search it using the lookup tool above. While the 520 area code legitimately serves millions of residents and businesses in the Tucson area, scammers sometimes spoof local area codes to make their calls appear more trustworthy. Always verify unfamiliar numbers before returning calls or sharing personal information.
The Tucson region served by area code 520 is one of the most significant areas in Arizona. As a primary geographic code, 520 has been the main identifier for this region since it was introduced in 1995.
For detailed information about any phone number in the 520 area code, including owner identification, carrier data, and spam reports, use our search tool above or visit one of our trusted lookup providers.
CITIES & COMMUNITIES
SPAM & SCAM ALERTS
These are frequently reported scam patterns from phone numbers using the 520 area code. Scammers often spoof area codes, so a call appearing to come from 520 may originate elsewhere.
Callers claim to be from the IRS, threatening arrest or legal action unless immediate payment is made. The real IRS always contacts taxpayers by mail first.
Callers claim your computer has a virus and offer to fix it remotely. They install malware or charge for unnecessary services.
Automated messages claim suspicious activity on your bank account and ask you to verify account details by pressing a number.
Stay Safe: Never share personal information with incoming callers. If suspicious, hang up and search the number above.
FREQUENTLY ASKED QUESTIONS
Area code 520 serves Tucson, Arizona. Area code 520 serves Tucson, Arizona and southern Arizona including Sierra Vista. It covers the University of Arizona, Saguaro National Park, and the US-Mexico border region.
Area code 520 is in the Mountain timezone. Calls from 520 numbers originate from the Tucson region.
Not necessarily. Area code 520 serves many people in Tucson. However, scammers can spoof any area code. If you receive a suspicious call from a 520 number, search it above before calling back.
Area code 520 was created in 1995. It serves as the primary geographic code for its region.
WHO CALLED ME
If you received an unknown call from a 520 number, use our dedicated lookup page to identify the caller and check for scam reports.
Who Called Me From 520? →PHONE SAFETY GUIDES
Phone Scam Recovery → Reverse Phone Lookup Comparison → International Phone Scams →