TeamCare welcomes the opportunity to serve the future healthcare needs of UPS Teamsters starting this Sunday, June 1, 2014. To assist Teamster members with the transition,TeamCare will be open this weekend. The Participant Services call center will be open both Saturday and Sunday for UPS Teamster members. Although the call center is normally closed on weekends, TeamCare is providing special member service hours this weekend.  UPS Teamster members can reach TeamCare at 800-323-9257. If UPS members require any assistance this weekend, TeamCare is there to help at 1-800-323-9257. Â