To access and activate your AT&T Reward Center account to claim your reward, you can go to the AT&T Reward Center home page and enter either your claim number (found on your reward notification email or letter) OR the billing account number that goes with your new reward-eligible service. Once you have entered the required information, you can review and claim your reward. If you have already … Continue reading How to Access, Activate AT&T Reward Centre Account To Claim Your Reward