I had comcast phone service (Vancouver, WA) and received a bill for $61 in charges from AT&T in 2003. AT&T was not my selected carrier. It's my understanding the local phone company routed the call through them. It only had one number listed a couple (over 4 months on one bill)dozzen times. Neither my wife or I reconized the number and even tried to call it but it was disconnected. An investigation by my local phone company or AT&T found nothing. What happened?.