If you're here looking up AT&T Go Phone customer care, you probably already know who they are. But it helps to get an idea of how big they are and what their support operation looks like if you are a customer. AT&T Go Phone also goes by or is associated with the names Go Phone, ATT, AT and T, AT & T. They are considered to be part of the following sectors and industries: Telecommunications - Mobile. AT&T Go Phone is associated with terms like Prepaid phone by their customers and industry analysts. Their competition, in the eyes of customers, are companies like MetroPCS, Safelink Wireless, Boost Mobile. They employ 2,500 people according to customers in the know.