About Area Code 781
Area code 781 serves Massachusetts, covering major cities including Waltham, Lynn. Operating in the Eastern Time (ET), this code was established in 1997.
| State | Time Zone | Cities |
|---|---|---|
| Massachusetts | Eastern Time (ET) | Waltham, Lynn |
Active Area Code
781
Massachusetts
Eastern Time (ET)
Est. 1997
PRIMARY
Location
Massachusetts
Waltham
ACTIVE
Coverage
2 Cities
Since 1997
Beware of Spam Calls
Scammers frequently use 781 numbers. Always verify unknown callers before sharing personal information.
Protect Yourself NowCommon Questions
Where is 781?
Located in Massachusetts, serving Waltham and surrounding areas.
What time zone?
Operates in Eastern Time (ET).
When established?
Area code 781 was introduced in 1997.
Used for spam?
Can be used by legitimate and fraudulent callers. Always verify unknown numbers.