I have received a Collection Notice, from GC Services and from AT&T Advertising & Publishing. They started a yellow page ad with us and after one month into the ad they accidentally cancelled our forwarding phone number which was the yellow page phone number. We had to do a forwarding number because we relocated. So the yellow page ad no longer worked because AGAIN they accidentally cancelled the number. By the time we found out about it they said the number could not be reused. So, the ad was useless. They said the mistake... read full review »