Log into your account on SmartHub. If using the SmartHub app on a mobile device, go to More at the bottom of the screen and enter the Settings menu. From there, you are able to modify your contact methods on file.
If you are using the SmartHub website instead of the app, go to the My Profile section to update your billing address and contact information.
Click on My Information.
Click on Update My Billing Address & Contact Information.
Make the necessary updates and click SAVE at the bottom of the screen.