: If you don't want to sign in, use the AT&T Quick Pay tool. You only need the 10-digit phone number and a payment method. 2. Physical Refill Cards & E-Pins
: Call 611 from your device or 1-800-901-9878 from another phone. Note that there may be a $5 convenience fee when paying via a representative or the automated system. 4. Third-Party Refill Services
: Log in using your 10-digit wireless number and 4-digit password.
Several authorized third-party sites allow you to top up AT&T accounts, which can be useful for buying minutes for friends or family.