2830 is a postalcode and its consensus geometry is derived from ausstat.
{"mz:is_ceased":0,"geom:latitude":-32.303532,"wof:name":"2830","counts:names_total":0,"wof:placetype":"postalcode","mz:is_approximate":1,"wof:hierarchy":[{"continent_id":102191583,"country_id":85632793,"county_id":102049599,"localadmin_id":404223307,"postalcode_id":504778727,"region_id":85681545}],"mz:is_deprecated":0,"ausstat:POA_CODE":"2830","geom:area":0.30412,"geom:longitude":148.637982,"wof:id":504778727,"ausstat:POA_NAME":"2830","counts:concordances_total":1,"geom:type":"MultiPolygon","wof:lastmodified":1480925815,"ausstat:SQKM":3176.173909,"wof:belongsto":[85681545,102191583,404223307,85632793,102049599],"wof:concordances":{"gp:id":"12707290"},"wof:repo":"whosonfirst-data-postalcode-au","src:geom":"ausstat","wof:country":"AU","counts:names_preferred":0,"gp:parent_id":"2344700","geom:area_square_m":3.178466226563955E9,"wof:tags":[],"counts:names_variant":0,"wof:breaches":[],"edtf:inception":"uuuu","iso:country":"AU","counts:names_languages":0,"geom:bbox":"148.329513408,-32.783449002,149.031644256,-31.8977070935","wof:superseded_by":[],"wof:supersedes":[],"wof:geomhash":"373f8e467c6a866cc2c83aee1623c13c","wof:parent_id":404223307,"wof:placetype_names":["postalcode"],"mz:hierarchy_label":1,"wof:placetype_id":470996387,"edtf:cessation":"uuuu"}