Learn about the 520 area code, including its location, cities, time zone, introduction date, and related area codes.
520 Area Code Details
Major Cities in the 520 Area Code
The 520 area code is associated with the following cities and communities:
- Casa Grande
- Catalina Foothills
- Drexel Heights
- Nogales
- Oro Valley
- Sierra Vista
- Tucson
Where Is Area Code 520 Located?
The 520 area code serves communities in Arizona. The exact communities and numbering assignments can change as telephone numbering resources are updated.
520 Area Code Time Zone
The 520 area code is associated with the Mountain time zone.
When Was 520 Area Code Introduced?
The 520 area code was introduced in 19-Mar-1995.
How to Call a 520 Area Code Number
For a call within the same numbering plan, dial the required local number according to your carrier’s dialing rules. For calls from outside the United States, use the United States country code (+1), followed by the area code and seven-digit telephone number.
520 Area Code FAQ
What state is 520 area code in?
The 520 area code is associated with Arizona.
What time zone is 520 area code in?
The 520 area code is associated with Mountain.
What cities use 520 area code?
Casa Grande|Catalina Foothills|Drexel Heights|Nogales|Oro Valley|Sierra Vista|Tucson
More Questions About Area Code 520
What state is area code 520 in?
Area code 520 is associated with Arizona.
What time zone is area code 520 in?
The listed time zone for area code 520 is Mountain.