Personnel Center changes phone systems Published May 12, 2004 RANDOLPH AIR FORCE BASE, Texas (AFPN) -- Offices at the Air Force Personnel Center here will convert to a new telephone system starting May 17. Although the switch to the new telephone system should be transparent, customers encountering problems can call the Air Force Contact Center at (800) 616-3775, DSN 665-5000 or commercially at (210) 565-5000.People assigned to military installations in San Antonio must now dial the full seven-digit number. (Courtesy of AFPC News Service)