443 Area Code

Primary cities: Baltimore, Annapolis, Towson, Columbia, Glen Burnie ... all cities

Cities: Aberdeen, Annapolis, Arbutus, Armiger Gibson Island, Baltimore, Bel Air, Berlin, Bishopville, Brooklyn Park Linthicum, Cambridge, Cardiff, Catonsville, Centreville, Chase, Chesapeake City, Chestertown, Churchville, Cockeysville, Columbia, Crisfield, Crofton, Darlington, Delmar, Denton, Dundalk, Easton, Edgewood, Elkridge, Elkton, Ellicott City, Essex, Fallston, Federalsburg, Fork, Glen Burnie, Glenwood, Hampstead, Havre De Grace, Jarrettsville, Millersville, Nanticoke, New Windsor, North Beach, North East, Ocean City, Odenton, Parkton, Parkville, Perryville, Pikesville, Pocomoke, Port Deposit, Prince Frederick, Princess Anne, Queenstown, Randallstown, Reisterstown, Salisbury, Severn, Severna Park, Sharptown, Sherwood Forest, Silver Run, Snow Hill, Solomons, Sparks Glencoe, Sparrows Point, Stevensville, Sykesville, Taneytown, Towson, Trappe, Union Bridge, Vienna, Waterloo 236, Waterloo 238, West River, Westminster, Willards, Woodlawn, Worthington