AT&T GoPhones do not require a contract. Users purchase minutes monthly via a prepaid card. It's easy to find your GoPhone number.
Open the menu on your Go Phone. Scroll down to "Settings" and click "Select" to open.
Video of the Day
Scroll through your settings and select "Phone." Scroll down to select "Own Number."
Notice the number that appears on the screen. This is your AT&T Go Phone number.