About Hanford

Black and white photo of rows upon rows of narrow buildings.
The Hanford Construction Camp housed 50,000 people at its peak.

DEPARTMENT OF ENERGY

 

Last updated: April 25, 2023

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Contact Info

Mailing Address:

Manhattan Project National Historical Park
c/o NPS Intermountain Regional Office
P.O. Box 25287

Denver, CO 80225-0287

Phone:

Hanford: 509.376.1647
Los Alamos: 505.661.6277
Oak Ridge: 865.482.1942

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