Group Medical Customer Service Unit (including Prime Therapeutics)	(888) 652-4013	Monday – Friday 7:00 am to 7:00 pm, Central Standard Time
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	Monday – Friday 7:00 am to 6:15 pm, Central Time, December to September, and Monday – Friday, 7:00 am to 7:00 pm, Central Time, October – November
Ceridian Benefits Services, Inc.	(866) 881-3189	Monday – Friday 8:00 am to 8:00 pm, Eastern Time