MassMutual Self Service!

Youre busy and want to access your MassMutual policy information on your own terms - on the go Now, you can keep your MassMutual account information in your pocket with the MassMutual Customer Self Service (CSS) mobile app. With this version of the CSS mobile app, iPhone (iOS) users can view account and policy information, make payments on a policy, set up AutoPay, and more. Download the app today and keep tabs on your MassMutual policy information - no matter where you are