AT&T Wireless Overview and Availability
About AT&T Wireless Internet
Your best chance of finding AT&T Wireless service is in California, their largest coverage area. You can also find AT&T Wireless in Texas, New York, Florida, and many others. It is a Mobile provider, which means they deliver service through the pre-existing cellular data network. Most mobile internet falls into the common 3G or 4G classifications. In the home, you are given a mobile router which connects to local cellular towers and transmits to your devices. Mobile internet has the advantage of versatility. As long as your router is within range of a tower, you can access the internet.