AT&T: Everything you need to know
As one of the three major wireless carriers in the US, AT&T has been synonymous with the telecommunications industry for a long time. It has quite a history, dating to the invention of the telephone in the late 1800s. Now, it is very active in the mobile wireless industry, with some great Android-based phones that support the AT&T network. This guide briefly talks about the history of AT&T, the network bands it uses, and how you can contact its customer service team.