4890 is a postalcode and its consensus geometry is derived from ausstat.
{"mz:is_ceased":0,"geom:latitude":-17.444873,"wof:name":"4890","counts:names_total":0,"wof:placetype":"postalcode","mz:is_approximate":1,"wof:hierarchy":[{"continent_id":102191583,"country_id":85632793,"county_id":102049459,"localadmin_id":404543551,"postalcode_id":504781377,"region_id":85681463}],"mz:is_deprecated":0,"ausstat:POA_CODE":"4890","geom:area":5.453834,"geom:longitude":141.364648,"wof:id":504781377,"ausstat:POA_NAME":"4890","counts:concordances_total":1,"geom:type":"MultiPolygon","wof:lastmodified":1480931783,"ausstat:SQKM":64108.927788,"wof:belongsto":[85681463,102191583,404543551,85632793,102049459],"wof:concordances":{"gp:id":"12708490"},"wof:repo":"whosonfirst-data-postalcode-au","src:geom":"ausstat","wof:country":"AU","counts:names_preferred":0,"gp:parent_id":"55864340","geom:area_square_m":6.432314797624923E10,"wof:tags":[],"counts:names_variant":0,"wof:breaches":[],"edtf:inception":"uuuu","iso:country":"AU","counts:names_languages":0,"geom:bbox":"139.744383328,-19.4550949755,142.961830144,-15.1892187515","wof:superseded_by":[],"wof:supersedes":[],"wof:geomhash":"c375e56cc7da93c6914821c5c3d2e53c","wof:parent_id":404543551,"wof:placetype_names":["postalcode"],"mz:hierarchy_label":1,"wof:placetype_id":470996387,"edtf:cessation":"uuuu"}