Area Code (410)

Aberdeen, Annapolis, Arbutus, Armiger, Bainbridge, Baltimore, Bel Air, Berlin, Bishopville, Brooklyn, Cambridge, Cardiff, Catonsville, Cecilton, Centreville, Chase, Chesapeake City, Chestertown, Churchville, Clarksville, Cockeysville, Cockeysville (Hunt Valley), Columbia, Crisfield, Crofton, Darlington, Deal Island, Delmar, Denton, Dorrs Corner, Dundalk, Easton, Edgewood, Elkridge, Elkton, Ellicott City, Essex, Federalsburg, Fork, Friendship, Galena, Galesville, Glen Burnie, Glenwood, Greensboro, Hampstead, Hanover (Anne Arundel), Havre De Grace, Herndon, Hillsboro, Honga, Hurlock, Jarrettsville, Laurel, Manor, Marion, Mayo, Millington, Muirkirk, Mutual, Nanticoke, New Windsor, North Beach, North East, North Point, Ocean City, Ocean Pines, Odenton, Owings Mills, Oxford, Parkton, Parkville, Parole, Perry Hall, Pikesville, Pocomoke City, Preston, Prince Frederick, Princess Anne, Queenstown, Randallstown, Reisterstown, Rising Sun, Rock Hall, Romancoke, Salisbury, Severna Park, Sharptown, Silver Run, Silver Spring, Smith Island, Snow Hill, Solomons, St Margarets, St Michaels, Stevensville, Still Pond, Sudlersville, Sykesville, Taneytown, Tilghman, Towson, Trappe Landing, Union Bridge, Vienna, Washington, West Ocean City (Herring Creek), Westminster, White Marsh, Willards, Wingate, Winters Run, Woodlawn, Wye Mills

Baltimore, Towson, Cambridge, Easton, Ocean Pines, Philadelphia, Camden, Wilmington, Salisbury, Washington, Arlington, Alexandria

Anne Arundel, Baltimore, Calvert, Caroline, Carroll, Cecil, Dorchester, Harford, Howard, Kent, Prince George's, Queen Anne's, Somerset, Talbot, Wicomico, Worcester, Baltimore

Maryland