Preston Zip Codes - Caroline County MD

Preston, MD Zip Code Map

Preston, MD is a city located in Caroline County, Maryland and has a land area of 52.72 square miles (136.54 km2). The water area for the city is 3.34 square miles or 8.65 km2. There is one unique zip code in Preston, Maryland and it is 21655. The area code(s) for Preston is 410.

Zip Codes for Preston, MD (1)
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21655 Preston Caroline

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