Frequently Asked Questions

A man speaks on the telephone in an office with photos and a calendar on the wall.
Answering questions in Oak Ridge, 1944.

US DEPARTMENT OF ENERGY/ED WESTCOTT

 
 
 

FAQs About Facility Access

 

 

FAQs about the 80th Anniversary Commemorations

 

 

FAQs about the Manhattan Project

 

 

FAQs about Manhattan Project National Historical Park

 

 

FAQs about Hanford, Washington

 

 

FAQs about Los Alamos, New Mexico

 

 

FAQs about Oak Ridge, Tennessee

 

Last updated: July 8, 2025

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Contact Info

Mailing Address:

National Park Service, Manhattan Project National Historical Park
c/o NPS Intermountain Regional Office
One Denver Federal Center, Building 50

Denver, CO 80225-0287

Phone:

Hanford: 509.376.1647
Los Alamos: 505.661.6277
Oak Ridge: 865.482.1942

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