Ok, so, we have been to the Hobbiton area now but had no replies before we went. Nevertheless, we've now got the numbers you need in Wisconsin. We won't be back in this area of NZ for another nine months, but contact us if you have the numbers I need and I will let you have yours! Best wishes and happy caching!
We have teamed up with ranger_rob and have the required numbers (thanks!), but we still have two other cachers in our family group who can "trade" their numbers: TMCNZ and RubyDragonNZ, so two more requests welcomed. Just email through CoopsNZ as teenagers can be unreliable....