Area Code 240 – Maryland

United States • ET Time Zone • 4 major cities

Area Code Details

Area Code
240
State / Province
Maryland
Country
United States
Time Zone
ET
IANA Zone
America/New_York
Country Code
US

Cities & Counties

Montgomery County

Rockville, Germantown, Silver Spring

Prince George's County

College Park

Other Area Codes in Maryland (4)

Nearby Area Codes

Trading forex? Check our Forex Market Hours tool to see which markets are open right now — live in your local timezone.

Frequently Asked Questions

What time zone is area code 240 in?

Area code 240 is in the ET time zone (America/New_York). It serves Maryland, United States.

Where is area code 240 located?

Area code 240 covers Maryland in United States. Major cities include Rockville, Germantown, Silver Spring, College Park.

What cities use area code 240?

Cities served by area code 240 include: Rockville, Germantown, Silver Spring, College Park.

What is the current time in area code 240?

The live clock on this page shows the real-time current time for area code 240 (ET time zone). It updates every second.

Is area code 240 in the US or Canada?

Area code 240 is in United States (US), specifically in Maryland.

What other area codes are in Maryland?

Other area codes in Maryland include: 301, 410, 443, 667.

How do I call area code 240 from another time zone?

When calling area code 240, remember it's in the ET time zone. Use the time converter above to find the best time to call.

What counties does area code 240 cover?

Area code 240 covers: Montgomery County, Prince George's County.