3936 is a postalcode and its consensus geometry is derived from ausstat.
{"mz:is_ceased":0,"geom:latitude":-38.335856,"wof:name":"3936","counts:names_total":0,"wof:placetype":"postalcode","mz:is_approximate":1,"wof:hierarchy":[{"continent_id":102191583,"country_id":85632793,"county_id":102048695,"localadmin_id":404538411,"locality_id":101932863,"postalcode_id":504780299,"region_id":85681497}],"mz:is_deprecated":0,"ausstat:POA_CODE":"3936","geom:area":0.004643,"geom:longitude":144.999117,"wof:id":504780299,"ausstat:POA_NAME":"3936","counts:concordances_total":1,"geom:type":"MultiPolygon","wof:lastmodified":1480933234,"ausstat:SQKM":45.058097,"wof:belongsto":[85681497,102191583,404538411,85632793,101932863,102048695],"wof:concordances":{"gp:id":"12708017"},"wof:repo":"whosonfirst-data-postalcode-au","src:geom":"ausstat","wof:country":"AU","counts:names_preferred":0,"geom:area_square_m":4.5030648923124E7,"wof:tags":[],"counts:names_variant":0,"wof:breaches":[],"edtf:inception":"uuuu","iso:country":"AU","counts:names_languages":0,"geom:bbox":"144.937877056,-38.3798290015,145.064665088,-38.302080661","wof:superseded_by":[],"wof:supersedes":[],"wof:geomhash":"7a09811d6003770ccd370ffdec07ec92","wof:parent_id":101932863,"wof:placetype_names":["postalcode"],"mz:hierarchy_label":1,"wof:placetype_id":470996387,"edtf:cessation":"uuuu"}