there is a few spots here in LA that has 5G, but i have not come across it yet. they keep saying sometime in 2020, though with the coronavirus and pandemic happening who knows when 5G will arrive.
i bought the note 10+ 5G so that i can be grandfathered in when 5G does get turned on. this way i do not have to pay the extra fee they will charge for 5G service for future phones and plans with Verizon.