Active Area Code

240

Maryland
Eastern Time (ET)
Est. 1997
Identify This Caller
PRIMARY
Location
Maryland
Rockville
ACTIVE
Coverage
2 Cities
Since 1997

About Area Code 240

Area code 240 serves Maryland, covering major cities including Rockville, Gaithersburg. Operating in the Eastern Time (ET), this code was established in 1997.

StateTime ZoneCities
MarylandEastern Time (ET)Rockville, Gaithersburg

Beware of Spam Calls

Scammers frequently use 240 numbers. Always verify unknown callers before sharing personal information.

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Common Questions

Where is 240?
Located in Maryland, serving Rockville and surrounding areas.
What time zone?
Operates in Eastern Time (ET).
When established?
Area code 240 was introduced in 1997.
Used for spam?
Can be used by legitimate and fraudulent callers. Always verify unknown numbers.