Keymar Zip Codes - Carroll County MD

Keymar, MD Zip Code Map

Keymar, MD is a city located in Carroll County, Maryland and has a land area of 35.17 square miles (91.09 km2). The water area for the city is 0.09 square miles or 0.23 km2. There is one unique zip code in Keymar, Maryland and it is 21757. The area code(s) for Keymar is 443/410/667.

Zip Codes for Keymar, MD (1)
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21757 Keymar Carroll

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