Charlestown
ZIP Code(s): 21901, 21914; County(s): Cecil;
Maryland
Jefferson
ZIP Code(s): 21755; County(s): Frederick;
Cedarville
ZIP Code(s): 20613; County(s): Prince George’s;
Mitchellville
ZIP Code(s): 20720, 20721; County(s): Prince George’s;
Cresaptown
ZIP Code(s): 21502, 21556; County(s): Allegany;
Thurmont
ZIP Code(s): 21788; County(s): Frederick;
Glenmont
ZIP Code(s): 20906, 20902; County(s): Montgomery;
Mays Chapel
ZIP Code(s): 21093; County(s): Baltimore;
Walkersville
ZIP Code(s): 21793; County(s): Frederick;
New Market
ZIP Code(s): 21774; County(s): Frederick;
Arden on the Severn
ZIP Code(s): 21032; County(s): Anne Arundel;
Middletown
ZIP Code(s): 21769; County(s): Frederick;
Marlow Heights
ZIP Code(s): 20748; County(s): Prince George’s;
Mount Rainier
ZIP Code(s): 20712; County(s): Prince George’s;
Cloverly
ZIP Code(s): 20905; County(s): Montgomery;
Port Deposit
ZIP Code(s): 21904; County(s): Cecil;
Sharpsburg
ZIP Code(s): 21782; County(s): Washington;
Cheverly
ZIP Code(s): 20785; County(s): Prince George’s;
Brandywine
ZIP Code(s): 20613; County(s): Prince George’s;
Cottage City
ZIP Code(s): 20722, 20781; County(s): Prince George’s;