Oro Valley, Arizona
Mountain Time Zone (UTC-7) · AZ · —
About Area Codes in Oro Valley, Arizona
Oro Valley, Arizona is served by area code 520, which was established in 1995 as a geographic split from a larger area code region. The city falls within the Mountain time zone (UTC-7). All calls to and from Oro Valley use the 520 area code prefix for local and long-distance dialing.
Other cities in area code 520
Frequently Asked Questions
What area code is Oro Valley, Arizona?
Oro Valley, Arizona uses area code 520.
What time zone is Oro Valley in?
Oro Valley is in the Mountain time zone (UTC-7).
Do I need to dial 10 digits when calling Oro Valley?
Standard 7-digit dialing is used for local calls within Oro Valley. However, 10-digit dialing is always accepted and required for long-distance calls.
When was area code 520 created?
Area code 520 was established in 1995 as a geographic split from a larger area code region to serve the growing population.
What cities share area code 520 with Oro Valley?
Other cities sharing area code 520 with Oro Valley include Catalina Foothills, Douglas, Green Valley, Marana, Nogales, among others.
Oro Valley, AZ · Mountain Time Zone