Glendale, Arizona
Mountain Time Zone (UTC-7) · AZ · —
About Area Codes in Glendale, Arizona
Glendale, Arizona is served by area code 623, which was established in 1999 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 Glendale use the 623 area code prefix for local and long-distance dialing.
Frequently Asked Questions
What area code is Glendale, Arizona?
Glendale, Arizona uses area code 623.
What time zone is Glendale in?
Glendale is in the Mountain time zone (UTC-7).
Do I need to dial 10 digits when calling Glendale?
Standard 7-digit dialing is used for local calls within Glendale. However, 10-digit dialing is always accepted and required for long-distance calls.
When was area code 623 created?
Area code 623 was established in 1999 as a geographic split from a larger area code region to serve the growing population.
What cities share area code 623 with Glendale?
Other cities sharing area code 623 with Glendale include Avondale, Buckeye, El Mirage, Goodyear, Litchfield Park, among others.
Also called Glendale:
Glendale, AZ · Mountain Time Zone