Zip Area Code

Charles County, Maryland

Charles County, Maryland, has 27 towns and 25 ZIP codes, in area code 301, with 227 as an overlay.

Towns in Charles County, A to Z

TownZIP codesArea codes
Bel Alton20611301, 227, 240
Benedict20612301, 227, 240
Bensvillenearest20603, 20675, 20695301, 227, 240
Bryans Road20616301, 227, 240
Bryantown20617301, 227, 240
Cedarvillenearest20601, 20613301, 227, 240
Charlotte Hall20622301, 227, 240
Cobb Island20625301, 227, 240
Eagle Harbornearest20608, 20612, 20637301, 227, 240
Faulkner20632301, 227, 240
Golden Beachnearest20612, 20637301, 227, 240
Hughesville20637301, 227, 240
Indian Head20640301, 227, 240
Ironsides20643301, 227, 240
Issue20645301, 227, 240
La Plata20646301, 227, 240
Marbury20658301, 227, 240
Mount Victoria20661301, 227, 240
Nanjemoy20662301, 227, 240
Newburg20664301, 227, 240
Pomfret20675301, 227, 240
Port Tobacco20677301, 227, 240
Potomac Heightsnearest20616, 20658301, 227, 240
Rock Point20682301, 227, 240
Waldorf20601, 20602, 20603, 20604301, 227, 240
Welcome20693301, 227, 240
White Plains20695301, 227, 240

ZIP codes in Charles County

Area codes in Charles County

  • Area code 301

    In service since 1947. Shares its area with 227 and 240. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.

  • Area code 227

    In service since June 14, 2023. Shares its area with 240 and 301. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.