520 Area Code
Arizona, USA
Local time now · Mountain Standard Time (Arizona, no DST)
12:43 AM
Area code 520 is in Arizona, USA, serving Phoenix, Tucson, Casas Adobes and Maricopa. It uses Mountain Standard Time (Arizona, no DST) — the time there now is 12:43 AM. In service since 1995.
| Area code | 520 |
|---|---|
| Location | Arizona, USA |
| Major cities | Phoenix, Tucson, Casas Adobes, Maricopa, Casa Grande, Catalina Foothills, Marana, Oro Valley |
| Time zone | Mountain Standard Time (Arizona, no DST) |
| In service since | 1995 |
| Dialing | 1+10 digit permissible at service provider discretion. |
Other area codes in Arizona
Time zone converterAll area codes
Frequently asked questions
Where is area code 520?
Arizona, USA — including Phoenix, Tucson, Casas Adobes, Maricopa and Casa Grande.
What time zone is area code 520?
Mountain Standard Time (Arizona, no DST).
How do I call a 520 number from abroad?
Dial your international access code, then 1 (the country code), then 520 and the 7-digit number — for example +1 520 555 0100. From the UK or India dial 00 1 520 …; from Bangladesh 00 1 520 … .
Is a call from 520 a scam?
Not by itself — 520 is an ordinary geographic area code in Arizona. Numbers can be spoofed, so be careful with unexpected calls asking for money or personal details.
Sources: North American Numbering Plan Administrator (NANPA) NPA database (10/25/2026); major cities from Wikidata (CC0). An area code shows where a number was first assigned — with number portability and mobile phones, the caller may be anywhere.