Washington
- Antietam
- Antietam Station
- Appletown
- Augusta
- Bagtown
- Bakersville
- Beaver Creek
- Benevola
- Big Pool
- Big Spring
- Boonsboro
- Bostetter
- Bowmans Mill
- Breathedsville
- Broadfording
- Brownsville
- Burtner
- Cavetown
- Cearfoss
- Cedar Lawn
- Charlton
- Chewsville
- Clear Spring
- Clevelandville
- Cohill
- Dargan
- Dogtown
- Doubs Mill
- Downsville
- Dry Run
- Eakles Mill
- Edgemont
- Emmertsville
- Ernstville
- Exline
- Fairplay
- Fairview
- Fairview Mill
- Fiddlesburg
- Flickersville
- Forest Park
- Forsythe
- Fort Ritchie
- Fountainhead-Orchard Hills
- Four Locks
- Funkstown
- Gapland
- Garretts Mill
- Green Spring Furnace
- Greensburg
- Grimes
- Hagerstown
- Halfway
- Hancock
- Highfield-Cascade
- Huyett
- Indian Springs
- Jugtown
- Keedysville
- Kemps
- Kemps Mill
- Kline Mill
- Lappans
- Leitersburg
- Locust Grove
- Long Meadow
- Mapleville
- Martins Crossroads
- Maugansville
- Mercersville
- Middleburg
- Millpoint
- Mondell
- Mount Aetna
- Mount Briar
- Mount Lena
- Mousetown
- Paramount-Long Meadow
- Park Hall
- Park Head
- Pearre
- Pecktonville
- Pen Mar Park
- Pinesburg
- Pleasantville
- Pondsville
- Porterstown
- Red Hill
- Reid
- Ringgold
- Robinwood
- Rocky Forge
- Rohrersville
- Samples Manor
- San Mar
- Sandy Hook
- Security
- Shady Bower
- Sharpsburg
- Smithsburg
- Spickler
- Spielman
- St. James
- Sylvan Grove
- Tilghmanton
- Trego-Rohrersville Station
- Troupe Springs
- Two Locks
- Vardo
- Wagners Crossroads
- Weverton
- Williamsport
- Williamsport Station
- Wilson-Conococheague
- Wood Point
- Woodmont
- Yarrowsburg
- Zittlestown