Upper Marlboro, MD Post Offices
Upper Marlboro, Maryland has a population of 672. According to the 2021 census, the city's 3 post offices serve 291 households with a median income of 291. The city is located in Prince George's County and has a land area of 1,785,484 and a water area of 122,551.
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Post Office
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Address
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Phone
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Hours
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| Upper Marlboro, MD Post Office | 14605 Elm St, Upper Marlboro, Maryland, MD, 20772-9998 |
301-780-3427
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Today 09:00:00 - 17:00:00
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