About Area Code 623
Area code 623 serves Arizona, covering major cities including Glendale, Peoria. Operating in the Mountain Time (MT), this code was established in 1999.
| State | Time Zone | Cities |
|---|---|---|
| Arizona | Mountain Time (MT) | Glendale, Peoria |
Active Area Code
623
Arizona
Mountain Time (MT)
Est. 1999
PRIMARY
Location
Arizona
Glendale
ACTIVE
Coverage
2 Cities
Since 1999
Beware of Spam Calls
Scammers frequently use 623 numbers. Always verify unknown callers before sharing personal information.
Protect Yourself NowCommon Questions
Where is 623?
Located in Arizona, serving Glendale and surrounding areas.
What time zone?
Operates in Mountain Time (MT).
When established?
Area code 623 was introduced in 1999.
Used for spam?
Can be used by legitimate and fraudulent callers. Always verify unknown numbers.