About Area Code 720
Area code 720 serves Colorado, covering major cities including Denver. Operating in the Mountain Time (MT), this code was established in 1998.
| State | Time Zone | Cities |
|---|---|---|
| Colorado | Mountain Time (MT) | Denver |
Active Area Code
720
Colorado
Mountain Time (MT)
Est. 1998
PRIMARY
Location
Colorado
Denver
ACTIVE
Coverage
1 Cities
Since 1998
Beware of Spam Calls
Scammers frequently use 720 numbers. Always verify unknown callers before sharing personal information.
Protect Yourself NowCommon Questions
Where is 720?
Located in Colorado, serving Denver and surrounding areas.
What time zone?
Operates in Mountain Time (MT).
When established?
Area code 720 was introduced in 1998.
Used for spam?
Can be used by legitimate and fraudulent callers. Always verify unknown numbers.