12-05-2018 1:51 PM
We understand your need to block unwanted calls and are happy to help! You can use the built-in feature on your child’s device. For added protection, we recommend downloading our AT&T Call Protect app from your child’s phone. You can block an unlimited amount of numbers for up to 30 days in addition to having access to other safety features.
Let us know if you have any further questions!
Bobbie, AT&T Community Specialist