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Upper Marlboro

1. Upper Marlboro, Maryland, United States [Populated Place] is in Prince George's County; location is 38°48'57"N 76°45'0"W [SourceGSP]
2. Upper Marlboro, Maryland, United States [Town]; population was 745 in 1990; housing units was 314 in 1990; location is 38°49'N 76°45'W; land area is 0.40 square miles (259 acres); water area is 0.02 square miles (11 acres); FIPS code is 79875 [SourceCBP]
3. Upper Marlboro, Maryland, United States Postal Service Zip Code is 20772 [SourcePSZ]