The main U.S. Post Office in Newburgh, New York is located at 215-217 Liberty Street two blocks north of Broadway.

It serves the 12550 ZIP Code, which covers the city and nearby areas of the Town of Newburgh.

There is a branch station located on Broadway in the western neighborhood of the city.

The building itself is a two-story brick structure built in the early 1930s.

It was designed under the supervision of James Wetmore, supervising architect for the Treasury Department at the time, and takes a Colonial Revival style.