How do you contact AT&T customer service? Contacting AT&T customer service is simple and straightforward, and you can reach them by dialing +1-888-435-9091 for assistance. If you have questions ...

The new policy is a part of a $750 million investment the company has made in its customer service over the last four years, said Kellyn Smith Kenny, AT&T’s chief marketing and growth officer.

AT&T announced a new guarantee program that will see the telecom giant provide billing credits to wireless and fiber customers who are impacted by service outages.