United States Postal Service

Image 1 | United States Postal Service
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100 Rxr Plz, Uniondale, New York, 11556

Phone numbers

Main: (800) 275-8777
Alt: (516) 794-2053
Fax: (516) 794-2053

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Business & Professional Services > Post Offices & Mail Services


Visit your local Post Office™ at 100 Rxr Plz! The U.S. Postal Service® (USPS®) is the only organization in the country to regularly deliver to every residential and business address. USPS is committed to providing secure, reliable, and affordable delivery of mail and packages to more than 157 million addresses in the United States, its territories, and its military bases worldwide. Processing and delivering 47 percent of the world’s mail, USPS manages over 30,000 retail locations and constantly innovates to make customer experiences better.

Monday: 3:00pm to 5:00pm
Tuesday: 3:00pm to 5:00pm
Wednesday: 3:00pm to 5:00pm
Thursday: 3:00pm to 5:00pm
Friday: 3:00pm to 5:00pm
Saturday: Closed
Sunday: Closed


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