[talk-au] post code boundaries

[Liz]

is it thought that we can draw boundaries around unique post code areas?
we could be wrong
2652 (i've been cheating off the database)
extends merriwagga > goolgowi > tabbita > boorga
and then reappears in another area 
grong grong > matong > (skips a few towns) > marrar > mangoplah > old junee
then south of the Sturt 
tarcutta > uranquinty > boree creek
and just east of wagga 
gumly gumly
and apparently near tumbarumba
rosewood