Cities included in Montgomery County: Germantown, Silver Spring, Gaithersburg, Rockville, Bethesda, Aspen Hill, Wheaton, North Bethesda, Potomac, Olney, Montgomery Village, Clarksburg, Fairland, North Potomac, Redland, Calverton, Takoma Park, Damascus, Cloverly, Glenmont, White Oak, Kemp Mill, Colesville, Flower Hill, Travilah, Burtonsville, Chevy Chase, Leisure World, North Kensington, South Kensington, Four Corners, Forest Glen, Darnestown, Ashton-Sandy Spring, Poolesville, Layhill, Hillandale, Friendship Heights Village, Burnt Mills, Brookmont, Kensington, Cabin John, Chevy Chase Village, Derwood, Spencerville, Ten Mile Creek, Chevy Chase View, Martin's Additions, Somerset, Chevy Chase Section Three, Garrett Park, Chevy Chase Section Five, Washington Grove, North Chevy Chase, Laytonsville, Glen Echo, Barnesville, Brookeville

Zip Codes included in Montgomery County: 20812, 20814, 20815, 20816, 20817, 20818, 20832, 20833, 20837, 20838, 20839, 20841, 20842, 20850, 20851, 20852, 20853, 20854, 20855, 20860, 20861, 20862, 20866, 20868, 20871, 20872, 20874, 20876, 20877, 20878, 20879, 20880, 20882, 20886, 20889, 20892, 20894, 20895, 20896, 20899, 20901, 20902, 20903, 20904, 20905, 20906, 20910, 20912