To redeem your AT&T Wireless promotion card online, AT&T has created a website Www.att.com/wirelessrebatecard. When you visit www.att.com/wirelessrebatecard website to get the rebate of AT&T service online, you have to enter the first 10 digits of your card number, which is located on the front of your AT&T promotion card.   Sc

Cingular Wireless provides the facility to manage wireless account online at Cingular.com My Account. If you are already a Cingular Wireless customer then you can simply do Cingular Wireless Login on Cingular.com My Account and manage your Wireless Account online. Cingular Wireless was obtained by the old AT&T Wireless in 2004 and re-branded it