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Upper Marlboro Zip Codes - Prince Georges County MD
Upper Marlboro, MD Zip Code Map
Upper Marlboro, MD is a city located in Prince Georges County, Maryland and has a land area of 107.34 square miles (278.01 km2). The water area for the city is 1.63 square miles or 4.22 km2. There are 5 total unique zip codes in Upper Marlboro, Maryland. The area code(s) for Upper Marlboro is 301/240.
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