Not directly, but that doesn't mean you're out of the woods
AT&T does report any of their accounts to the credit bureaus. You cannot receive credit for positive payment history this way. If you fall behind on payments, AT&T will sell your debt to collection agencies. These agencies will report your debt to the credit bureaus.
If you want to forgo a deposit with AT&T you need a credit score above 650. Credit not good enough for AT&T? Partner with a credit repair expert, like Credit Glory, to dispute (& remove) inaccurate items on your report — boosting your score.
AT&T pulls information from all three major credit bureaus — TransUnion, Equifax, and Experian. Do you have inaccurate items on one of those reports & it's pulling your score down? Partner with a credit repair expert — like Credit Glory — & dispute (& remove) them, boosting your score!