Need more info about plans before you activate?  Learn more.
  • Already have an AT&T Prepaid® number and replacing your device?
No need to complete the form below. Simply take the SIM card out of your existing device and put it in your new one.
SIM card won't fit or replacing with an eSIM? Go to an AT&T store.
  • New to AT&T Prepaid?
Fill out the fields below to get started.

Choosing your SIM type

Enter your device’s ICCID / SIM number or the last four digits of the EID number. Typically, a device has only one of these, but some devices support the use of either. 

Device info