Blue Cross Blue Shield Association (BCBSA) is a federation of 36 separate United States health insurance companies that provide health insurance in the United States to more than 106 million people. To get in touch with BCBS Iowa, now known as WellMark, to communicate relevant concerns and queries. Customer may refer to given customer service numbers, to be able to communicate their problems and seek expedited resolution. Toll Free Customer Service Number: 800-524-9242  Wellmark Health Insurance Plan Customer Service Number TTY: 888-781-4262 BeWell 24/7 Program: 844-84-239355 Web Self-Service Tools Support:  800-407-0267 Web Self-Service Tools Support Fax: 800-691-1038 Blue Dental - Reimbursement, Policies, Procedures, or Guidelines: 877-258-3685 | 515-558-7744 In-state Health Benefit or Claim Status Information: 800-362-2218 Blue Dental Plan: 877-333-0164 Wageworks Flexible Spending Account(s): 877-924-3967 Avesis Vision Plan: 888-223-9008 Technical Assistance: 800-407