Area Codes Maryland

Telephone Area Codes for Major Cities in Maryland

Area Code	City
240	ASPEN HILL
240	BETHESDA
240	BOWIE
240	CHILLUM
240	CLINTON
240	COLLEGE PARK
240	CUMBERLAND
240	FAIRLAND
240	FORT WASHINGTON
240	FREDERICK
240	GAITHERSBURG
240	GERMANTOWN
240	GREENBELT
240	HAGERSTOWN
240	LANDOVER
240	MONTGOMERY VILLAGE
240	NORTH BETHESDA
240	NORTH LAUREL
240	NORTH POTOMAC
240	OLNEY
240	OXON HILL-GLASSMANOR
240	POTOMAC
240	ROCKVILLE
240	SILVER SPRING
240	SOUTH LAUREL
240	ST. CHARLES
240	SUITLAND
240	WALDORF
240	WHEATON-GLENMONT
240	WHITE OAK
301	ASPEN HILL
301	BETHESDA
301	BOWIE
301	CHILLUM
301	CLINTON
301	COLLEGE PARK
301	CUMBERLAND
301	FAIRLAND
301	FORT WASHINGTON
301	FREDERICK
301	GAITHERSBURG
301	GERMANTOWN
301	GREENBELT
301	HAGERSTOWN
301	LANDOVER
301	MONTGOMERY VILLAGE
301	NORTH BETHESDA
301	NORTH LAUREL
301	NORTH POTOMAC
301	OLNEY
301	OXON HILL-GLASSMANOR
301	POTOMAC
301	ROCKVILLE
301	SILVER SPRING
301	SOUTH LAUREL
301	ST. CHARLES
301	SUITLAND
301	WALDORF
301	WHEATON-GLENMONT
301	WHITE OAK
410	ANNAPOLIS
410	ARBUTUS
410	ARNOLD
410	BALTIMORE
410	BEL AIR NORTH
410	BEL AIR SOUTH
410	CARNEY
410	CATONSVILLE
410	COLUMBIA
410	CROFTON
410	DUNDALK
410	EDGEWOOD
410	ELDERSBURG
410	ELKRIDGE
410	ELLICOTT CITY
410	ESSEX
410	GLEN BURNIE
410	LOCHEARN
410	MIDDLE RIVER
410	MILFORD MILL
410	ODENTON
410	PARKVILLE
410	PERRY HALL
410	PIKESVILLE
410	RANDALLSTOWN
410	REISTERSTOWN
410	SALISBURY
410	SEVERN
410	SEVERNA PARK
410	SOUTH GATE
410	TOWSON
443	ANNAPOLIS
443	ARBUTUS
443	ARNOLD
443	BALTIMORE
443	BEL AIR NORTH
443	BEL AIR SOUTH
443	CARNEY
443	CATONSVILLE
443	COLUMBIA
443	CROFTON
443	DUNDALK
443	EDGEWOOD
443	ELDERSBURG
443	ELKRIDGE
443	ELLICOTT CITY
443	ESSEX
443	GLEN BURNIE
443	LOCHEARN
443	MIDDLE RIVER
443	MILFORD MILL
443	ODENTON
443	PARKVILLE
443	PERRY HALL
443	PIKESVILLE
443	RANDALLSTOWN
443	REISTERSTOWN
443	SALISBURY
443	SEVERN
443	SEVERNA PARK
443	SOUTH GATE
443	TOWSON