3590 is a postalcode and its consensus geometry is derived from ausstat.
{"mz:is_ceased":0,"geom:latitude":-35.223767,"wof:name":"3590","counts:names_total":0,"wof:placetype":"postalcode","mz:is_approximate":1,"wof:hierarchy":[{"continent_id":102191583,"country_id":85632793,"county_id":102049167,"localadmin_id":404537785,"postalcode_id":504779793,"region_id":85681497}],"mz:is_deprecated":0,"ausstat:POA_CODE":"3590","geom:area":0.00323,"geom:longitude":143.472711,"wof:id":504779793,"ausstat:POA_NAME":"3590","counts:concordances_total":1,"geom:type":"MultiPolygon","wof:lastmodified":1480902858,"ausstat:SQKM":32.628557,"wof:belongsto":[85681497,102191583,404537785,85632793,102049167],"wof:concordances":{"gp:id":"12707781"},"wof:repo":"whosonfirst-data-postalcode-au","src:geom":"ausstat","wof:country":"AU","counts:names_preferred":0,"gp:parent_id":"55863967","geom:area_square_m":3.2631430267973E7,"wof:tags":[],"counts:names_variant":0,"wof:breaches":[],"edtf:inception":"uuuu","iso:country":"AU","counts:names_languages":0,"geom:bbox":"143.412527232,-35.258532996,143.527351552,-35.189006888","wof:superseded_by":[],"wof:supersedes":[],"wof:geomhash":"4baf8a804b4a83032a8ea6d1319ca797","wof:parent_id":404537785,"wof:placetype_names":["postalcode"],"mz:hierarchy_label":1,"wof:placetype_id":470996387,"edtf:cessation":"uuuu"}