ContributionsMost RecentMost LikesSolutionsRe: Unable to Create T-Mobile Account Oh, maybe I can call and get one. Thank you Re: Unable to Create T-Mobile Account Thank you….. We purchased phones that were pre-order, so numbers won’t be ported for a couple weeks. :-) Unable to Create T-Mobile Account Hello, I signed up for 3 lines of T-Mobile Service 2 days ago. I am unable to create a T-Mobile account as it says my phone number does not exist. Do I have to wait for the numbers to be ported over? Solved