Unfortunately, a self-appointed no-lifer has taken to US broadcasting, both TV and radio, and reviews all changes, and deletes every one that does not appear in some trade magazine. Many digital sub-channel changes are never thus announced, and most small market radio format changes are never announced at all. Wikipedia is thus, and always will be, far out of date in that whole subject area.
Also unfortunately, Wikipedia used to have a 100% accurate channel line up article for every satellite service, not just USA but worldwide, but decided to delete all of these on the grounds that it was "not a TV guide". As space is essentially unlimited, and considering the huge number of obscure articles, political diatribes, and junk science in Wikipedia, this is also hard to explain.