ESPN3 is an online streaming service, so it doesn't have a channel number on Cox cable or any other cable provider. However, Cox customers can accessing streaming sports events through ESPN3, including many broadcasts from ESPN and ESPN2.
People can watch non-televised programs on ESPN3 without having a cable subscription, but ESPN requires people to log in through their cable providers to access events shown on televised ESPN networks. While ESPN3 is an Internet-based service, many streaming devices allow people to watch these programs on a standard television. Roku, AppleTV and Android-based standalone devices, for example, support ESPN3 streaming. Users can also connect their laptops, tablets or smartphones to their televisions if they have the proper outputs.