Fort Knox - Personnel Support Office

One Stop Processing (In/Out)

One Stop Processing (In/Out) is located at Building 2020 159 Black Horse Regiment Road, Fort Knox, KY 40121. One Stop Processing (In/Out) can be reached by their main phone number at +50262626 (892) 688-0183. The listed DSN line is 536-2689/2688/0183. Visit the One Stop Processing (In/Out) website by clicking here.