Leavenworth, KS

ZIP code 66048 encompasses the city of Leavenworth, Kansas. Known for its rich history and military background, Leavenworth is home to landmarks such as Fort Leavenworth, one of the oldest active military installations in the United States, and the United States Penitentiary, a maximum-security federal prison. The city also features historic architecture, charming downtown shops, and a variety of dining options.