Last updated: December 9, 2015
Contact Us
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Contact the Park
Mailing Address:
Manhattan Project National Historical Park
c/o NPS Intermountain Regional Office
P.O. Box 25287
Denver, CO
80225-0287
Phone:
(505) 661-6277
This phone number is for the Los Alamos Unit Visitor Center. You may also contact the Oak Ridge Unit Visitor Center at (865) 482-1942, or the Hanford Unit Visitor Center at (509) 376-1647.