Leitersburg
ZIP Code(s): 21742; County(s): Washington;
Maryland
Calvert Beach
ZIP Code(s): 20685; County(s): Calvert;
Federalsburg
ZIP Code(s): 21632; County(s): Caroline;
Chesapeake Beach
ZIP Code(s): 20732; County(s): Calvert;
Silver Spring
ZIP Code(s): 20910, 20912, 20901, 20903, 20907, 20911, 20993, 20997; County(s): Montgomery;
Hyattsville
ZIP Code(s): 20781, 20782, 20788; County(s): Prince George’s;
Linthicum
ZIP Code(s): 21090; County(s): Anne Arundel;
Cape St. Claire
ZIP Code(s): 21409; County(s): Anne Arundel;
Leisure World
ZIP Code(s): 20906; County(s): Montgomery;
Perryville
ZIP Code(s): 21903, 21904; County(s): Cecil;
Naval Academy
ZIP Code(s): 21402; County(s): Anne Arundel;
Stevensville
ZIP Code(s): 21666; County(s): Queen Anne’s;
New Carrollton
ZIP Code(s): 20784; County(s): Prince George’s;
Emmitsburg
ZIP Code(s): 21727; County(s): Frederick;
Preston
ZIP Code(s): 21655; County(s): Caroline;
Bel Air
ZIP Code(s): 21014; County(s): Harford;
Highfield-Cascade
ZIP Code(s): 21719; County(s): Washington;
West Ocean City
ZIP Code(s): 21842, 21811; County(s): Worcester;
Galesville
ZIP Code(s): 20765, 20778; County(s): Anne Arundel;
Bethesda
ZIP Code(s): 20814, 20815, 20816, 20817, 20810, 20811, 20824, 20889, 20892, 20894; County(s): Montgomery;