4818 is a postalcode and its consensus geometry is derived from ausstat.
{"mz:is_ceased":0,"geom:latitude":-19.229129,"wof:name":"4818","counts:names_total":0,"wof:placetype":"postalcode","mz:is_approximate":1,"wof:hierarchy":[{"continent_id":102191583,"country_id":85632793,"county_id":102048451,"localadmin_id":404544439,"postalcode_id":504781277,"region_id":85681463}],"mz:is_deprecated":0,"ausstat:POA_CODE":"4818","geom:area":0.065556,"geom:longitude":146.530106,"wof:id":504781277,"ausstat:POA_NAME":"4818","counts:concordances_total":1,"geom:type":"MultiPolygon","wof:lastmodified":1480921852,"ausstat:SQKM":763.026225,"wof:belongsto":[85681463,102191583,404544439,85632793,102048451],"wof:concordances":{"gp:id":"12708451"},"wof:repo":"whosonfirst-data-postalcode-au","src:geom":"ausstat","wof:country":"AU","counts:names_preferred":0,"gp:parent_id":"56072971","geom:area_square_m":7.65392904950201E8,"wof:tags":[],"counts:names_variant":0,"wof:breaches":[],"edtf:inception":"uuuu","iso:country":"AU","counts:names_languages":0,"geom:bbox":"146.371809312,-19.436769005,146.760915936,-18.9607546995","wof:superseded_by":[],"wof:supersedes":[],"wof:geomhash":"917f62b9d7ba6f09a7b8b5628d7bc028","wof:parent_id":404544439,"wof:placetype_names":["postalcode"],"mz:hierarchy_label":1,"wof:placetype_id":470996387,"edtf:cessation":"uuuu"}