Anchorage, AK

ZIP code 99599 is an exclusive postal code assigned to the U.S. military in Anchorage, Alaska. It mainly encompasses Joint Base Elmendorf-Richardson, a significant military installation that combines Elmendorf Air Force Base and Fort Richardson. The base is home to various units such as the U.S. Air Force's 3rd Wing and the U.S. Army's 4th Brigade Combat Team, 25th Infantry Division.