Maryland Area Codes: List, Map, and Phone Lookup

Area Codes for the Largest Cities in Maryland

• Accokeek301
• Andrews Air Force Base240,301
• Annapolis301,410,443,667
• Annapolis Junction443
• Arnold410
• Ashton240,301
• Baltimore240,301,410,443,667
• Beltsville240,301,410
• Bethesda240,301
• Bladensburg240,301
• Bowie240,301
• Brandywine240,301
• Brentwood240,301
• Brinklow240,301
• Brooklyn410,443
• Burtonsville301
• Cabin John240,301
• Capitol Heights240,301
• Catonsville410,443,667
• Cheltenham240,301
• Chevy Chase240,301
• Clarksburg240,301
• Clarksville240
• Clinton240,301
• Cockeysville410,443
• College Park240,301
• Columbia240,301,410,443,667
• Crofton240,410,443,667
• Curtis Bay410,443
• Damascus240,301
• Dayton240
• Derwood240,301
• District Heights240,301
• Dundalk410,443
• Edgewater301,410
• Elkridge240,410,443,667
• Ellicott City240,410,443
• Essex410,443
• Fork410,443
• Fort Washington240,301
• Friendship240
• Gaithersburg240,301
• Gambrills240
• Glen Burnie410,443
• Glen Echo240,301
• Glenn Dale240,301
• Glenwood410,443
• Glyndon410,443
• Greenbelt240,301
• Gwynn Oak410,443,667
• Halethorpe240,410,443
• Hanover443
• Harmans443
• Highland240
• Hunt Valley410,443
• Hyattsville240,301
• Jessup410,443
• Kensington240,301
• Lanham240,301
• Laurel240,301,410,443,667
• Linthicum Heights410,443
• Lothian240,301
• Middle River410,443,667
• Millersville410,443
• Montgomery Village240,301
• Mount Rainier240,301
• Odenton240,301,410,443
• Oxon Hill240,301
• Parkton410,443
• Parkville410,443
• Pasadena410,443
• Perry Hall410
• Pikesville410,443,667
• Poolesville240,301
• Potomac301
• Randallstown410,443
• Reisterstown410,443
• Riva301,410
• Riverdale240,301
• Rockville240,301
• Sandy Spring240,301
• Savage443
• Severn410,443
• Severna Park410,443,667
• Silver Spring240,301
• Sparks Glencoe410,443
• Sparrows Point410,443
• Spencerville301
• Suitland240,301
• Takoma Park240,301
• Temple Hills240,301
• Towson410,443,667
• Upper Marlboro240,301
• West River410,443,667
• White Marsh410,443,667
• Windsor Mill410