Originally Posted by
ksandness
The kôban police keep lists of phone numbers for each residence or business in their district. Their English tends to be rudimentary, but they can usually understand a place name or store name written in block letters.
They don't have lists for each residence or business, at least in cities. The people there will know the general area but you'd need an address for anything other than bigger places.
Maps are quite common here but it's important to remember that up can (and usually is) any direction, not north.