Poll: Which cell phone carrier is the worst? 1390 views Aaron Baker - 1 hr ago | More by this editor Earlier in the week, Consumer Reports ranked AT&T as the worst carrier in the nation, citing poor scores in overall service and customer support. I have personal accounts with all four nationwide carriers, and I've traveled extensively with all of them. Like the other three, there are places where AT&T works well and places where they don't. Las Vegas during CES, where 100,000+ tech nerds are carrying iPhone 4s? Forget about it. AT&T in the Charlotte metro area? Works great for me. I turn it over to you. Which carrier is the worst in your neck of the woods? Cast your vote, and tell me why in the comments! Which cell phone carrier is the worst? Verizon Wireless AT&T Sprint T-Mobile One of the regional carriers Poll: Which cell phone carrier is the worst?