
Old US Post Office
Many listed buildings are private homes. Please enjoy them from the street.
About Old US Post Office
Old US Post Office, at 322 Main Ave., was added to the National Register of Historic Places on Oct 22, 1979: the first place in Williston to be listed. Only 52 of North Dakota’s 425 listings are older. The Register lists it for its politics and architecture, at the local level. It describes its style as Neo-Classical Revival, as it does for 1 other North Dakota listings. Three more Register listings are within a quarter mile.
What it isBuilding in North Dakota, United States. From Wikidata (CC0). Read about it on Wikipedia ↗
PDFRead the original nominationThe form that put it on the Register, with its history, photos and a map · 25 MB · National Archives↗Make it a walk: 5 landmarks in about 15 minutes
322 Main Ave., Williston · about 0.6 miles on foot, as the crow flies















Memories of Old US Post Office
The record says what it is. Neighbors know what it means.
Your answer becomes a post in Town Square.
Questions about Old US Post Office
Is Old US Post Office on the National Register of Historic Places?
Yes. It was added on Oct 22, 1979 (Register number 79003729).
Is Old US Post Office a National Historic Landmark?
No. It is on the National Register; North Dakota has 4 National Historic Landmarks.
Can you visit Old US Post Office?
Our record doesn’t say whether it is open to visitors. Many listed buildings are private, so it may only be seen from the street.
Where can I read the history of Old US Post Office?
In its National Register nomination, the form that put it on the Register: a 25 MB PDF at the National Archives, linked on this page.
Sources: National Park Service, National Register of Historic Places (05/22/2026) · National Archives catalog record 75326811 · Wikidata. Map tiles © OpenStreetMap contributors.


