2099 is a postalcode and its consensus geometry is derived from ausstat.
{"mz:is_ceased":0,"geom:latitude":-33.741395,"wof:name":"2099","counts:names_total":0,"wof:placetype":"postalcode","mz:is_approximate":1,"wof:hierarchy":[{"continent_id":102191583,"country_id":85632793,"county_id":102049493,"localadmin_id":404222869,"locality_id":101930015,"postalcode_id":504777571,"region_id":85681545}],"mz:is_deprecated":0,"ausstat:POA_CODE":"2099","geom:area":0.001282,"geom:longitude":151.275544,"wof:id":504777571,"ausstat:POA_NAME":"2099","counts:concordances_total":1,"geom:type":"MultiPolygon","wof:lastmodified":1480847820,"ausstat:SQKM":13.17706,"wof:belongsto":[85681545,102191583,404222869,85632793,101930015,102049493],"wof:concordances":{"gp:id":"12706755"},"wof:repo":"whosonfirst-data-postalcode-au","src:geom":"ausstat","wof:country":"AU","counts:names_preferred":0,"geom:area_square_m":1.3182519507848E7,"wof:tags":[],"counts:names_variant":0,"wof:breaches":[],"edtf:inception":"uuuu","iso:country":"AU","counts:names_languages":0,"geom:bbox":"151.245877696,-33.7682570045,151.303208032,-33.7160456385","wof:superseded_by":[],"wof:supersedes":[],"wof:geomhash":"2ee92e781d81e0eefc9553594c9a14af","wof:parent_id":101930015,"wof:placetype_names":["postalcode"],"mz:hierarchy_label":1,"wof:placetype_id":470996387,"edtf:cessation":"uuuu"}