Lawton, OK

ZIP code 73506 covers Fort Sill, a United States Army post near Lawton, Oklahoma. This area is known for its historic buildings, including the Old Post Quadrangle and the fort's museum. Fort Sill is home to major military training facilities, such as the Field Artillery Training Center and the Air Defense Artillery School. Additionally, the post houses the Comanche National Museum and Cultural Center, highlighting the history and culture of the Comanche Nation.