@ThankYou-
I know of no provisions for doing this, although I like the idea.
I don't know if it can be implemented, though, if for no other reason that Roku sometimes reorganizes the channel numbers.
Roku Community Streaming Expert
I am not a Roku employee, only a user like you. Please, no support questions via private message -- post them publicly to the Community where others may benefit as well.
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Ultra 4800 | Streaming Stick 4K+ 3821 | TCL Roku TV 43S245/C107X