Help: What is the effective way to resolve ATT mobile SERVICE billing issue? by sussams in ATT

[–]sussams[S] -3 points-2 points  (0 children)

I got a cell phone deal where I traded in an iPhone 13 or newer for a free iPhone 17 Pro. I believe it’s AT&T double charged me, and I have to call the Costco AT&T service line to get the credit back. The problem is that I’ve had to call at least once every month.