Welcome to the Employer Help Center

What is the Service Center phone number?


Sentinel’s Service Center is available each business day from 8:00am to 6:00pm Eastern Time (excluding holidays). Live representatives have access to a customized dashboard to provide service information whenever a participant calls with a question. This allows our representatives to resolve 96% of  participant inquiries on the first call. The Service Center can be reached toll free at 888-762-6088.