Consumers Union has a web page that offers advice on cutting red tape if there's a problem with a cellular carrier.
How To Complain About Your Wireless Service
Got a gripe about your wireless service? Here's how to file complaints with federal and state officials and with your cell phone company.
Complaining to your cell phone company
We found that sending a complaint, concern or question to a cellular server is not always as easy as it should be. Physical addresses for these companies are sometimes difficult to find. In some cases you need to call customer service numbers and wait for automated operators to direct your call before you will reach a service representative. You will always need to have your cell phone number ready. Below are ways that you can contact major cellular companies via phone, mail or email.