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Maryland ZIP Codes by County
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Maryland Area Codes by County
ZIP Codes for Cities & Towns - Sorted by County
Allegany
Anne Arundel
Baltimore
Baltimore City
Calvert
Caroline
Carroll
Cecil
Charles
Dorchester
Frederick
Garrett
Harford
Howard
Kent
Montgomery
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Somerset
Talbot
Washington
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Allegany
Anne Arundel
Baltimore
Baltimore City
Calvert
Caroline
Carroll
Cecil
Charles
Dorchester
Frederick
Garrett
Harford
Howard
Kent
Montgomery
Prince Georges
Queen Annes
Saint Marys
Somerset
Talbot
Washington
Wicomico
Worcester
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