AT&T Go Phone Customer Service Phone Number: 1-800-901-9878
The average waiting time ranges from 8 to 15 minutes.
AT&T Go Phone customer service is available Monday through Friday from 7am to 9pm, Saturday from 9am to 6pm.
Don’t forget to say “Customer Service” when they answer your call.
AT&T GoPhone is the name of a prepaid mobile telephone service provided by AT&T Mobility.