Maryland Area Codes

About Maryland Area Codes

The U.S. state of Maryland uses a total of 5 telephone area codes in this dataset. These calling codes serve large metropolitan areas, suburbs, small towns, and rural communities across the state.

Major cities served by these area codes include Annapolis, Arbutus, Arnold, Aspen Hill, Baltimore, Bel Air North, Bel Air South, Bowie, Carney, Catonsville, and 47 more. Each area code can cover multiple cities and counties, while some dense urban regions may be split across more than one code.

List of Area Codes in Maryland

The table below lists all area codes used in Maryland, along with a sample of major cities for each code.

S.N.	Area Code	Major Cities
1	240	Aspen Hill, Bowie, Chillum, Clinton, College Park, Cumberland, Fairland, Fort Washington, Frederick, Gaithersburg, Germantown, Greenbelt, Hagerstown, Landover, Montgomery Village, North Bethesda, North Potomac, Olney, Potomac, Rockville, Saint Charles, Silver Spring, South Laurel, Suitland, Waldorf, White Oak
2	301	Aspen Hill, Bowie, Chillum, Clinton, College Park, Cumberland, Fairland, Fort Washington, Frederick, Gaithersburg, Germantown, Greenbelt, Hagerstown, Landover, Montgomery Village, North Bethesda, North Potomac, Olney, Potomac, Rockville, Saint Charles, Silver Spring, South Laurel, Suitland, Waldorf, White Oak
3	410	Annapolis, Arbutus, Arnold, Baltimore, Bel Air North, Bel Air South, Carney, Catonsville, Columbia, Crofton, Dundalk, Edgewood, Eldersburg, Ellicott City, Essex, Glen Burnie, Lochearn, Middle River, Milford Mill, Odenton, Parkville, Perry Hall, Pikesville, Randallstown, Reisterstown, Salisbury, Severn, Severna Park, South Gate, Towson, West Elkridge
4	443	Annapolis, Arbutus, Arnold, Baltimore, Bel Air North, Bel Air South, Carney, Catonsville, Columbia, Crofton, Dundalk, Edgewood, Eldersburg, Ellicott City, Essex, Glen Burnie, Lochearn, Middle River, Milford Mill, Odenton, Parkville, Perry Hall, Pikesville, Randallstown, Reisterstown, Salisbury, Severn, Severna Park, South Gate, Towson, West Elkridge
5	667	Annapolis, Arbutus, Arnold, Baltimore, Bel Air North, Bel Air South, Carney, Catonsville, Columbia, Crofton, Dundalk, Edgewood, Eldersburg, Ellicott City, Essex, Glen Burnie, Lochearn, Middle River, Milford Mill, Odenton, Parkville, Perry Hall, Pikesville, Randallstown, Reisterstown, Salisbury, Severn, Severna Park, South Gate, Towson, West Elkridge

Maryland Area Codes

About Maryland Area Codes

List of Area Codes in Maryland

US State Area Codes

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