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🇺🇸 Maryland

State Code: MD · United States of America
US State
ZIP Codes
477
Population
6,205,597
State Code
MD
Country
USA
Most Populous ZIP Codes in Maryland
20906
Silver Spring
Pop: 70,595
21234
Parkville
Pop: 66,334
20878
Gaithersburg
Pop: 66,115
21740
Hagerstown
Pop: 64,792
21117
Owings Mills
Pop: 62,816
20874
Germantown
Pop: 62,738
All ZIP Codes in Maryland
Silver Spring
Post Office Silver Spring
County Montgomery
ZIP Code 20906
Parkville
Post Office Parkville
County Baltimore
ZIP Code 21234
Gaithersburg
Post Office Gaithersburg
County Montgomery
ZIP Code 20878
Hagerstown
Post Office Hagerstown
County Washington
ZIP Code 21740
Owings Mills
Post Office Owings Mills
County Baltimore
ZIP Code 21117
Germantown
Post Office Germantown
County Montgomery
ZIP Code 20874
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