Locations

Virginia: Northen Virginia
(  Alexandria, Arlington Annandale, Ballston, Burke, Centreville, Chantilly, Crystal City, Fairfax, Fairfax Station, Falls Church, Franconia, Great Falls, Herndon, Lorton,  McLean, Oakton,  Reston, Rosslyn, South Riding, Springfield, Tysons Corner, Vienna )
Prince William County: (Prince William County) Dale City, Dumfries, Lake Ridge, Manassas, Occoquan, Woodbridge)

Washington DC: NE, NW, SE, SW

Maryland: Montgomery County:  Bethesda, Chevy Chase, Gaithersburg, Germantown, Kensington, Montgomery Village,  Potomac, Rockville, Silver Spring, Takoma Park, West Bethesda, Wheaton

Prince George County: Accokeek, Andrews Air Force Base, Beltsville, Bladensburg, Bowie, Brandywine, Brentwood, Camp Springs, Capitol Heights, Cheverly, Clinton, College Park, District Heights, Fort Washington,  Glenn Dale, Greenbelt, Hyattsville, Landover, Largo, Laurel, New Carrollton, Brentwood, Oxon Hill, Riverdale,  Seat Pleasant, Silver Spring, Springdale, Suitland, Temple Hills, University Park, Upper Marlboro

Baltimore County MD: (Baltimore County)  Baltimore

Pennsylvania: Philadelphia
West Philadelphia South Philadelphia Center City
North Philadelphia Northwest Philadelphia The Northeast & Southwest Philadelphia