21051Fork, Maryland STANDARDActiveCountyBaltimore CountyArea code410, 443, 667TimezoneAmerica/New_YorkCoordinates39,47, -76,45
21052Fort Howard, Maryland PO BOXActiveCountyBaltimore CountyArea code410, 443, 667TimezoneAmerica/New_YorkCoordinates39,21, -76,44
21053Freeland, Maryland STANDARDActiveCountyBaltimore CountyArea code223, 410, 443, 667, 717TimezoneAmerica/New_YorkCoordinates39,69, -76,72
21054Gambrills, Maryland STANDARDActiveCountyAnne Arundel CountyArea code227, 240, 301, 410, 443, 667TimezoneAmerica/New_YorkCoordinates39,04, -76,69
21056Gibson Island, Maryland PO BOXActiveCountyAnne Arundel CountyArea code410, 443, 667TimezoneAmerica/New_YorkCoordinates39,08, -76,44
21057Glen Arm, Maryland STANDARDActiveCountyBaltimore CountyArea code410, 443, 667TimezoneAmerica/New_YorkCoordinates39,44, -76,5
21060Glen Burnie, Maryland STANDARDActiveCountyAnne Arundel CountyArea code410, 443, 667TimezoneAmerica/New_YorkCoordinates39,16, -76,6
21061Glen Burnie, Maryland STANDARDActiveCountyAnne Arundel CountyArea code410, 443, 667TimezoneAmerica/New_YorkCoordinates39,16, -76,63
21062Glen Burnie, Maryland UNIQUEActiveCountyAnne Arundel CountyArea code410TimezoneAmerica/New_YorkCoordinates39,16, -76,6
21065Hunt Valley, Maryland UNIQUEActiveCountyBaltimore CountyArea code410TimezoneAmerica/New_YorkCoordinates39,49, -76,65
21071Glyndon, Maryland PO BOXActiveCountyBaltimore CountyArea code410, 443, 667TimezoneAmerica/New_YorkCoordinates39,47, -76,81
21074Hampstead, Maryland STANDARDActiveCountyCarroll CountyArea code410, 443, 667TimezoneAmerica/New_YorkCoordinates39,61, -76,85
21075Elkridge, Maryland STANDARDActiveCountyHoward CountyArea code410, 443, 667TimezoneAmerica/New_YorkCoordinates39,2, -76,75
21076Hanover, Maryland STANDARDActiveCountyAnne Arundel CountyArea code410, 443, 667TimezoneAmerica/New_YorkCoordinates39,16, -76,72
21077Harmans, Maryland STANDARDActiveCountyAnne Arundel CountyArea code410, 443, 667TimezoneAmerica/New_YorkCoordinates39,16, -76,7
21078Havre De Grace, Maryland STANDARDActiveCountyHarford CountyArea code410, 443, 667TimezoneAmerica/New_YorkCoordinates39,54, -76,09
21082Hydes, Maryland STANDARDActiveCountyBaltimore CountyArea code410, 443, 667TimezoneAmerica/New_YorkCoordinates39,48, -76,47
21084Jarrettsville, Maryland STANDARDActiveCountyHarford CountyArea code410, 443, 667TimezoneAmerica/New_YorkCoordinates39,6, -76,47
21085Joppa, Maryland STANDARDActiveCountyHarford CountyArea code410, 443, 667TimezoneAmerica/New_YorkCoordinates39,43, -76,35
21087Kingsville, Maryland STANDARDActiveCountyBaltimore CountyArea code410, 443, 667TimezoneAmerica/New_YorkCoordinates39,44, -76,41
21088Lineboro, Maryland PO BOXActiveCountyCarroll CountyArea code410TimezoneAmerica/New_YorkCoordinates39,71, -76,84
21090Linthicum Heights, Maryland STANDARDActiveCountyAnne Arundel CountyArea code410, 443, 667TimezoneAmerica/New_YorkCoordinates39,2, -76,66
21092Long Green, Maryland PO BOXActiveCountyBaltimore CountyArea code410TimezoneAmerica/New_YorkCoordinates39,47, -76,52
21093Lutherville Timonium, Maryland STANDARDActiveCountyBaltimore CountyArea code410, 443, 667TimezoneAmerica/New_YorkCoordinates39,43, -76,64
21094Lutherville Timonium, Maryland PO BOXActiveCountyBaltimore CountyArea code410TimezoneAmerica/New_YorkCoordinates39,43, -76,64