3880 is a postalcode and its consensus geometry is derived from ausstat.
{"mz:is_ceased":0,"geom:latitude":-37.998206,"wof:name":"3880","counts:names_total":0,"wof:placetype":"postalcode","mz:is_approximate":1,"wof:hierarchy":[{"continent_id":102191583,"country_id":85632793,"county_id":102049039,"localadmin_id":404538729,"postalcode_id":504780209,"region_id":85681497}],"mz:is_deprecated":0,"ausstat:POA_CODE":"3880","geom:area":0.038373,"geom:longitude":147.640274,"wof:id":504780209,"ausstat:POA_NAME":"3880","counts:concordances_total":1,"geom:type":"MultiPolygon","wof:lastmodified":1480902823,"ausstat:SQKM":374.115482,"wof:belongsto":[85681497,102191583,404538729,85632793,102049039],"wof:concordances":{"gp:id":"12707977"},"wof:repo":"whosonfirst-data-postalcode-au","src:geom":"ausstat","wof:country":"AU","counts:names_preferred":0,"gp:parent_id":"55864263","geom:area_square_m":3.73916239365414E8,"wof:tags":[],"counts:names_variant":0,"wof:breaches":[],"edtf:inception":"uuuu","iso:country":"AU","counts:names_languages":0,"geom:bbox":"147.347593376,-38.1936410055,147.972180096,-37.839341974","wof:superseded_by":[],"wof:supersedes":[],"wof:geomhash":"e769a59dbcc04d043a6bf3272a7a1adc","wof:parent_id":404538729,"wof:placetype_names":["postalcode"],"mz:hierarchy_label":1,"wof:placetype_id":470996387,"edtf:cessation":"uuuu"}