Fort Leavenworth, KS

ZIP code 66027 covers Fort Leavenworth, a historic United States Army installation in Leavenworth, Kansas. It is home to the U.S. Army Command and General Staff College, the oldest and largest military educational institution in the country. Other important landmarks in the area include the Frontier Army Museum, providing insight into the history of the post, and the Fort Leavenworth National Cemetery, a final resting place for numerous veterans.