Tax Center open through April 15 Published Feb. 23, 2014 75th Air Base Wing Public Affairs HILL AIR FORCE BASE, Utah -- The Hill AFB Tax Center is open from 8 a.m. to 3 p.m. Monday through Friday. The Tax Center prepares taxes free of charge for active duty military members, Reserve Component members on active duty status, military retirees and their family members. The Tax Center is located in Bldg. 430 and is open for walk-in appointments. The service will be offered until April 15. For more information or to make an appointment, please call the Tax Center at 801-777-1040.