CONTACT US How can we help? PhoneThis field is for validation purposes and should be left unchanged.Name(Required)Email(Required) CooperativePhone(Required)Untitled(Required)What can we help you with?401kHealth & WelfareDefined BenefitAdditional Comments 1415 28th St. #100 West Des Moines, IA 50266 515-226-0303 or 800-747-4421 515-226-9437 moc.s1783574368tifen1783574368ebdet1783574368aicos1783574368sa@pr1783574368oc1783574368 Health Claims Administration Claims Telephone: 515-226-0269 or 800-747-4370 Claims Fax: 515-226-8472 401(k) Plan Account Access Account Access: principal.com Benefits Helpline: 800-547-7754