Download and open the My T-Mobile app on your smartphone.
Log in using your T-Mobile ID (which could be your email, phone number, or username) and password.
Once logged in, your phone number is typically displayed prominently on the app's home screen or within your "Account" or "Profile & Settings" section.
Through the T-Mobile Website albania phone number list (Online Account):
Go to the official T-Mobile website (T-Mobile.com) on a computer or web browser.
Log in to your My T-Mobile account.
Once logged in, your phone number(s) will usually be displayed on the main account dashboard or under a "Profile" or "Line Settings" section.
Make a Call or Send a Text:
The simplest method if you have access to another phone (a friend's, family member's, or even a landline). Just make a quick call or send a text message to that other phone, and your number will appear on its Caller ID.