Companies are not required by law to have support phone numbers, but most do. Websites such as YellowPages.com and GetHuman.com offer extensive corporate phone directories online.
Companies are increasingly moving away from phone support because customer service generally involves upset, argumentative and vocally angry customers. In addition, email is often too cumbersome and many companies are successfully implementing online forums and chat response systems.
PCMag.com has published the phone numbers for 100 of the largest technology and electronics companies with instructions for quickly reaching human operators for each phone number. The most common way to reach an operator from an automated phone system is to dial 0.