These aren't standalone codes, you'll still need to turn on the "encounter modifier" code first in order for any of these changes to take place. Check the front page for instructions under the complex codes section. Falo encounter codes.
So just going to throw it out there... If you Union Circle in offline mode from a stock Switch to a CFW one with the CFW being the host, you can see the cheats take effect on both consoles... I.e spawn codes made the Pokemon spawn in my untouched Switch when using codes on my hacked one...