Roku Customer Service Phone Number 1-805-980-1700
From BrainyCP
"Let your kids enjoy watching Cartoon network channel. To activate the channel, choose a compatible device,
complete the device setup and access the device app store to find and add the channel. After launching the channel
app, log in using the channel account, collect cartoonnetwork.com/activate code. To complete the activation, type the code by visiting the page, cartoonnetwork.com/activate. Please dial the toll-free number provided if you require
any assistance to activate the channel and fix channel activation issues"