Help & troubleshooting for channels on your Roku device, including adding/removing channels, logging in to, authenticating, or activating a channel, channel-specific playback issues, assistance contacting channel publishers to report issues, and adjusting channel-specific settings.
Yeah, I think the developer of Nowhere TV took it down a year or so ago. Lots of the private Roku channel lists you see on the 'net are sadly out of date.
The "channel not available in your region" message appears to be generic error text that is returned when one enters a code for which there is no established channel app. I've entered a nonsense letter combination and received the same error message. The error message is technically correct -- if the code is invalid it does not represent a channel available in that region -- but it is misleading.