United States Postal Service

Name: United States Postal Service
Address: Upper Marlboro, MD, 20774
Telephone: (301) 386-8900

Mailing and Shipping Services

1200 Mercantile Ln Upper Marlboro, MD 20774

United States Postal Service serves Upper Marlboro, MD and is located in the 20774 ZIP code.

Mon 12:00 PM to 5:00 PM
Sat 8:30 AM to 1:00 PM

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