Group Medical Customer Service Unit (including Prime Therapeutics)	888-652-4013	Monday – Friday 7:00 a.m. to 7:00 p.m., CST Prime Therapeutics: 24 hours a day, 7 days a week
Caremark Prescription Drug Customer Service Unit	800-388-2058	24 hours a day, 7 days a week
State Farm Human Resources Service Center (HRSC)	877-272-1999	December to September: Monday – Friday 7:00 a.m. to 6:15 p.m., CST October to November: Monday – Friday 7:00 a.m. to 7:00 p.m., CST
Ceridian Benefits Services, Inc.	866-881-3189	Monday – Friday 7:00 a.m. to 7:00 p.m., CST