240 – Maryland Area Codes

Number structure

+1240313
314
362
379
403
420
...
United StatesMarylandCode of CityNumber

List of area codes

Sort by:
CityArea Code
Cumberland240-362
Frederick240-379, 240-566, 240-575
Gaithersburg240-631, 240-683
Germantown240-686
Hagerstown240-313, 240-420
Joint Base Andrews Naval Air Facility240-857
Laurel240-456
Rockville240-314, 240-403, 240-777
All area codes in Maryland

Local time in Maryland

TimezoneGMTTime
America/New_York-04:00
[loading...]

Map of Maryland

Other area codes in United States

Area Codes Search Notes

Fixed phone numbers in the United States, state Maryland (area code 240) are comprised of a single country code (+1), a 3 digit area code, a 3 digit local office code (or region code), and a 4 digit line code. Making a call with the wrong country, area, or region code can be costly. Browse our sites area and region codes by state and city to ensure you have the correct information for your calls. Each states page contains a list of the cities within that state and the numbers of that area. Also available are local times. So you don’t have to worry about calling too late or early again.

Getting calls from someone and want to know what state they are in? Try our reverse phone number lookup to find their location, it even works with mobile, toll free and other numbers. Just enter the number into the search field for instant results.