If your AT&T line is prepaid or postpaid, the porting process has slight—but important—differences. This guide explains both so you know what to expect.
Account Number & PIN
Use your account number and generate a Number Transfer PIN
Requirements
Service must be active and in good standing
Timeline
Typical mobile number ports complete within 1-3 business days
Account Info
You may not need a PIN; depending on account you may use the account number + 4-digit passcode
Requirements
Account must remain active (i.e., not cancelled or expired)
Timeline
Ports often take slightly longer—1-2 business days for mobile lines
No, AT&T doesn't impose a port-out fee.
Yes—visit AT&T and ask to migrate your number internally.
Whether prepaid or postpaid, get the information you need to port successfully.