LIFE What is the 1 800 number for 401k? InsuNews May 23, 2022 What is the 1 800 number for 401k? 1-877-493-4727. See also What is the difference between whole life and term life insurance? Post navigation Previous: How do I speak to someone at Fidelity?Next: What is a rollover IRA Fidelity? More Stories LIFE What is whole term life insurance? InsuNews May 23, 2022 LIFE How does whole life and term life insurance work? InsuNews May 23, 2022 LIFE What companies does BRK b own? InsuNews May 23, 2022