6181 is a postalcode and its consensus geometry is derived from ausstat.
{"mz:is_ceased":0,"geom:latitude":-32.477831,"wof:name":"6181","counts:names_total":0,"wof:placetype":"postalcode","wof:hierarchy":[{"continent_id":102191583,"country_id":85632793,"county_id":102049595,"localadmin_id":404548339,"locality_id":101937815,"postalcode_id":504782419,"region_id":85681439}],"mz:is_deprecated":0,"ausstat:POA_CODE":"6181","geom:area":8.54E-4,"geom:longitude":115.79416,"wof:id":504782419,"ausstat:POA_NAME":"6181","counts:concordances_total":1,"geom:type":"MultiPolygon","wof:lastmodified":1480924135,"ausstat:SQKM":8.899344,"wof:belongsto":[85681439,102191583,404548339,85632793,101937815,102049595],"wof:concordances":{"gp:id":"55864599"},"wof:repo":"whosonfirst-data-postalcode-au","src:geom":"ausstat","wof:country":"AU","counts:names_preferred":0,"geom:area_square_m":8905451.528769,"wof:tags":[],"counts:names_variant":0,"wof:breaches":[],"edtf:inception":"uuuu","iso:country":"AU","counts:names_languages":0,"geom:bbox":"115.78260736,-32.5087227255,115.80881696,-32.4525761135","wof:superseded_by":[],"wof:supersedes":[],"wof:geomhash":"575214aa3577935e85cabe3322b51d27","wof:parent_id":101937815,"wof:placetype_names":["postalcode"],"mz:hierarchy_label":1,"wof:placetype_id":470996387,"edtf:cessation":"uuuu"}