(800) 986-3343 Contact Principal at: Principal Financial Group 711 High Street Des Moines, IA 50392 Telephone: (800) 986-3343 Sources: “Press Release: Principal Financial Group,” Principal web site, 2009; “For Businesses: Group Life and Health,” Principal web site 2009 ; “Principal Financial Group”, Wikipedia, July 8, 2009. Related Articles.
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