If your T-Mobile prepaid line is running low, you can recharge it online in a couple of minutes, whether the number is yours or belongs to family overseas. doctorSIM covers T-Mobile prepaid numbers in six countries, including the US and Puerto Rico.
Recharge in the US, Puerto Rico or overseas
Use the United States page for a mainland US number and the Puerto Rico page for the island, since T-Mobile runs them as separate prepaid networks. Family with a T-Mobile line elsewhere? Recharge it from Austria, the Czech Republic, Poland or the United Kingdom.
Recharging a number that isn't yours
You don't need to be the account holder. Enter the phone number and pick the country it's registered in; the credit goes straight to that line, and you get a receipt you can text or email over as proof it went through.
Frequently asked questions
Is a Puerto Rico T-Mobile number the same as a US one?
No, they're billed on separate prepaid networks, so use the Puerto Rico page for an island number and the US page for a mainland one.
Can I recharge a T-Mobile prepaid line while traveling abroad?
Yes, the recharge goes to the number, not to a specific handset or location, so it works wherever the phone is.
Do I need to create an account first?
No account is required. You enter the number, pay, and the credit is applied right away.
Will I get proof the recharge went through?
Yes, you receive a confirmation as soon as the payment is processed.






