How to find your T-Mobile Account number

How to find my T-Mobile USA Account number.

T-Mobile Account number

For Prepaid SIM

• If you have a prepaid account and don’t use My T-Mobile, your number is your account number.
• If you have a prepaid account and do use My T-Mobile, your account number is at the top right of the magenta bar.

For Postpaid SIM

On your Mobile device or Desktop

1. Go to My T-Mobile.
2. Login with T-Mobile ID Password
3. View your account number at the top center of the welcome screen.
4. Or Select BILLING, Under Bill summary, you can find your Account Number