3049 is a postalcode and its consensus geometry is derived from ausstat.
{"mz:is_ceased":0,"geom:latitude":-37.671066,"wof:name":"3049","counts:names_total":0,"wof:placetype":"postalcode","mz:is_approximate":1,"wof:hierarchy":[{"continent_id":102191583,"country_id":85632793,"county_id":102049057,"localadmin_id":404537583,"locality_id":101932517,"postalcode_id":504778927,"region_id":85681497}],"mz:is_deprecated":0,"ausstat:POA_CODE":"3049","geom:area":0.001029,"geom:longitude":144.889375,"wof:id":504778927,"ausstat:POA_NAME":"3049","counts:concordances_total":1,"geom:type":"MultiPolygon","wof:lastmodified":1480900230,"ausstat:SQKM":10.072721,"wof:belongsto":[85681497,102191583,404537583,85632793,101932517,102049057],"wof:concordances":{"gp:id":"12707383"},"wof:repo":"whosonfirst-data-postalcode-au","src:geom":"ausstat","wof:country":"AU","counts:names_preferred":0,"geom:area_square_m":1.0068117243391E7,"wof:tags":[],"counts:names_variant":0,"wof:breaches":[],"edtf:inception":"uuuu","iso:country":"AU","counts:names_languages":0,"geom:bbox":"144.859872,-37.6891210675,144.922080992,-37.658342932","wof:superseded_by":[],"wof:supersedes":[],"wof:geomhash":"d24db51a87a5d0320d5e8d793c071a76","wof:parent_id":101932517,"wof:placetype_names":["postalcode"],"mz:hierarchy_label":1,"wof:placetype_id":470996387,"edtf:cessation":"uuuu"}