Recently, I moved all my 4 iphones to a new carrier and thought that was the end of my association with AT&T. However, I came to find out that I had been carrying an extra iphone number since 2022 when my granddaughter went to the AT&T store and purchased a new iphone because her old phone had broken. Apparently, they had erroneously given her a new number (which she did not need since she kept her old number). Consequently, they kept billing me for this number for an extra 2 months after my preceived departure from them and since I was on autopay and never looked, I did not realize this until I got the bill. I brought this to AT&T's attention that I had been carrying this number since 2022 and argued that it was their fault and since there had been zero data and zero phone activity on this number, that they should reimburse me for the two months and also the 2 years of carrying this fictitious number and thus, end my business with them. They refused, even though I had been a loyal customer with them for close to 20 years. Greedy, calloused and worse company ever with no heart and zero customer loyalty.