2006 is a postalcode and its consensus geometry is derived from ausstat.
{"mz:is_ceased":0,"geom:latitude":-33.887612,"wof:name":"2006","counts:names_total":0,"wof:placetype":"postalcode","wof:hierarchy":[{"continent_id":102191583,"country_id":85632793,"county_id":102049151,"localadmin_id":404222425,"locality_id":101929801,"postalcode_id":504777391,"region_id":85681545}],"mz:is_deprecated":0,"ausstat:POA_CODE":"2006","geom:area":7.1E-5,"geom:longitude":151.187005,"wof:id":504777391,"ausstat:POA_NAME":"2006","counts:concordances_total":1,"geom:type":"MultiPolygon","wof:lastmodified":1480866343,"ausstat:SQKM":0.726411,"wof:belongsto":[85681545,102191583,404222425,85632793,101929801,102049151],"wof:concordances":{"gp:id":"12706666"},"wof:repo":"whosonfirst-data-postalcode-au","src:geom":"ausstat","wof:country":"AU","counts:names_preferred":0,"geom:area_square_m":726689.191211,"wof:tags":[],"counts:names_variant":0,"wof:breaches":[],"edtf:inception":"uuuu","iso:country":"AU","counts:names_languages":0,"geom:bbox":"151.179145024,-33.891473905,151.194932672,-33.8843734015","wof:superseded_by":[],"wof:supersedes":[],"wof:geomhash":"cc769d492e80db230023566033d95a50","wof:parent_id":101929801,"wof:placetype_names":["postalcode"],"mz:hierarchy_label":1,"wof:placetype_id":470996387,"edtf:cessation":"uuuu"}