Service and support Log in to your account for helpful details including:Account balance and contributionsContact information and beneficiariesClaim status and updates Log in Choose the option that applies to you. I have a Principal product or account. I am interested in a Principal product. I am a dental provider. I am a financial professional. Still need help? General questions: +1-800-986-3343Monday-Friday, 7 a.m. – 7 p.m. CT Retirement plan participants: +1-800-547-7754Monday-Friday, 7 a.m. – 9 p.m. CT Mutual fund clients: +1-800-222-5852Monday-Friday, 7 a.m. – 7 p.m. CT