Definition of derived. biology. : being, possessing, or marked by a character (as the large brain in humans) not present in the ancestral form derived features.
Using other AT&T Payment Options. 1  1. Pay your bill via the automated phone system. Dial 1-800-288-2020 to access the 24 hour-a-day telephone customer service system. 2  2. Speak with a customer service representative. Once you have verified your phone number, the phone system will ask you what you would like to do.
More AT&T U-Verse 800 numbers and support. This is the best of 12 ways to contact AT&T U-Verse according to 2466068 GetHuman users. Below you can compare the many ways to contact AT&T U-Verse customer service. 800-592-3541.