6 majorsNational networks
ABC, NBC, CBS, FOX, The CW, PBS

Channel lineup
Channel counts are easy to inflate, so here is the lineup by group — what each tier contains and roughly how much of it there is.
6 majorsABC, NBC, CBS, FOX, The CW, PBS
210+ marketsLocal feeds across all 50 states
40+ RSNsYES, MSG, NBC Sports regionals, Bally
60+ESPN, ESPN2, FS1, TNT, TBS, NFL Net, NBA TV, MLB Net
All majorsBoxing and UFC main cards included
35+CNN, Fox News, MSNBC, Newsmax, BBC World
300+HBO, Showtime, Starz, AMC, FX, Bravo
45+Disney, Nickelodeon, Cartoon Network, PBS Kids
150+ countriesSpanish, Arabic, South Asian, Filipino, Polish

Local affiliates
Local ABC, NBC, CBS and FOX are carried for 210+ US markets — so local news, network primetime and the regionally-televised game are all in the guide. A sample of covered markets:

Regional sports
Regional sports networks are the reason cable bills are what they are, and the first thing cheaper streaming bundles drop. Included here:
Leagues & events

Providers advertising "35,000+ channels" are usually counting every international feed, every duplicate and every quality variant of the same stream. We'd rather tell you which US networks and regional sports feeds you get, because that is what determines whether the thing you want to watch is actually there.