Total Force Service Center observes holiday hours Published Dec. 23, 2009 Air Force Personnel Center Public Affairs Office RANDOLPH AIR FORCE BASE, Texas -- In observance of the upcoming holidays, the Total Force Service Center closes from 12 p.m. Dec. 24 to 12:01 a.m. Dec. 27 and midnight Dec. 31 to 12:01 a.m. Jan. 2. The TFSC is available for all general personnel inquires by calling (800) 525-0102. Hearing impaired employees who have access to TDD equipment should call the toll-free TDD number, 800-382-0893, or commercial (210) 565-2276 if calling within San Antonio.