240 Area Code Details

240 area code is located in the state/province of MD and has a total of 56 citie(s), 14 countie(s), and 120 zip code(s).

240 Area Code Cities

Williamsport (1)Washington (7)
Waldorf (28)Upper Marlboro (18)
Thurmont (1)Temple Hills (4)
Tall Timbers (12)Smithsburg (5)
Silver Spring (73)Rockville (82)
Ridge (4)Poolesville (4)
Pikesville (2)Oxon Hill (16)
Odenton (1)Oakland (3)
Newburg (8)Nanjemoy (3)
Myersville (3)Mount Rainier (26)
Mount Airy (2)Middletown (1)
Mechanicsville (5)Mccoole (1)
Lexington Park (6)Leonardtown (7)
Laurel (44)La Plata (10)
Kensington (18)Indian Head (4)
Ijamsville (2)Hyattsville (27)
Hughesville (5)Highfield (1)
Hancock (1)Hagerstown (13)
Greenbelt (4)Grantsville (1)
Glenn Dale (26)Gaithersburg (63)
Frostburg (1)Frederick (53)
Emmitsburg (2)Damascus (22)
Cumberland (10)College Park (20)
Clinton (18)Chevy Chase (5)
Capitol Heights (30)Brandywine (5)
Bethesda (44)Beltsville (37)
Baltimore (7)Ashton (10)
Annapolis Junction (2)Adamstown (2)


240 Area Code Rate Centers

Wsngtnzn16 Wsngtnzn15
Wsngtnzn14 Wsngtnzn13
Wsngtnzn12 Wsngtnzn11
Wsngtnzn10 Wsng236z14
Wsng236z13 Wshngtnzn6
Wshngtnzn5 Wshngtnzn4
Wshngtnzn3 Wshngtnzn2
Williamspt Wasz 10 -
Washington Waldorf
Tompkinsvl Thurmont
Ridge Poolesvl
Oakland Nanjemoy
Myersville Mount Airy
Middletown Mechancsvl
Mccoole Lxtnpkgrml
Leonardtow Leonardtn
Laurel238 Laurel236
Laurel La Plata
Indianhead Ijamsville
Hughesvl Highfield
Hancock Hagerstown
Grantsvl Gaithersbg
Frostburg Frederick
Emmitsburg Damascus
Damascs236 Cumberland
Buckeystn Brandywine
Ashton236 Ashton


List of Area Code and Exchange Combinations for 240 Phone Numbers

240508240560