Learn how to add another account to your AT&T user ID to use a single sign-in to pay bills or manage your accounts.
Add another AT&T account to your user ID
Go to your myAT&T Profile and sign in with the ID you want to use as your primary account.
Scroll to Account settings and select Linked accounts.
Choose Link another account.
Select the service you want to link and then choose Continue.
Enter the AT&T phone number or account number and the billing ZIP Code of the account you want to add, and then select Continue.
Follow the prompts to complete the process. We’ll give you helpful pointers along the way. When you complete the steps, we may send you a one-time verification code. Enter this code to finish linking the account.
Additional info
User permissions
After you add another account to your user ID, you can:
Sign in with one ID to manage multiple accounts.
Have either primary or secondary online access to the account you added.