Total Force Service Center hours for Independence Day Published July 1, 2010 RANDOLPH AIR FORCE BASE, Texas (AFNS) -- In observance of Independence Day, the Total Force Service Center will be closed from 12:01 a.m. to midnight July 5 and resumes normal operations at 12:01 a.m. July 6. The TFSC is available for all general personnel questions by calling 800-525-0102. Hearing-impaired employees who have access to text telephones should call the toll-free TTY/TDD number at 800-382-0893, or commercial 210-565-2276 if calling within San Antonio. More information is also available at the Air Force Personnel Center personnel services website at http://gum.afpc.randolph.af.mil.