Right now, it would be really better as well to reach out to our Customer Care Team at 1-800-937-8997 in order for us to manually access the account on our end and assist you on this.

We truly appreciate you letting us know about this matter. No need to worry, let us help you out with this! Can you kindly try logging in using this link to see if you will be able to log in on your end? 

 https://account.t-mobile.com/signin/v2/

Grand Central: https://grandcentral.t-mobile.com/