5050 is a postalcode and its consensus geometry is derived from ausstat.
{"mz:is_ceased":0,"geom:latitude":-35.024627,"wof:name":"5050","counts:names_total":0,"wof:placetype":"postalcode","mz:is_approximate":1,"wof:hierarchy":[{"continent_id":102191583,"country_id":85632793,"county_id":102049629,"localadmin_id":404545227,"locality_id":101935933,"postalcode_id":504781471,"region_id":85681519}],"mz:is_deprecated":0,"ausstat:POA_CODE":"5050","geom:area":6.48E-4,"geom:longitude":138.590831,"wof:id":504781471,"ausstat:POA_NAME":"5050","counts:concordances_total":1,"geom:type":"MultiPolygon","wof:lastmodified":1480923951,"ausstat:SQKM":6.560292,"wof:belongsto":[85681519,102191583,404545227,85632793,101935933,102049629],"wof:concordances":{"gp:id":"12708534"},"wof:repo":"whosonfirst-data-postalcode-au","src:geom":"ausstat","wof:country":"AU","counts:names_preferred":0,"geom:area_square_m":6561173.65927,"wof:tags":[],"counts:names_variant":0,"wof:breaches":[],"edtf:inception":"uuuu","iso:country":"AU","counts:names_languages":0,"geom:bbox":"138.57016432,-35.038376003,138.609438016,-35.009886003","wof:superseded_by":[],"wof:supersedes":[],"wof:geomhash":"21eee73ae025b0a250f5205efa4e54b1","wof:parent_id":101935933,"wof:placetype_names":["postalcode"],"mz:hierarchy_label":1,"wof:placetype_id":470996387,"edtf:cessation":"uuuu"}