2556 is a postalcode and its consensus geometry is derived from ausstat.
{"mz:is_ceased":0,"geom:latitude":-33.927356,"wof:name":"2556","counts:names_total":0,"wof:placetype":"postalcode","mz:is_approximate":1,"wof:hierarchy":[{"continent_id":102191583,"country_id":85632793,"county_id":102049387,"localadmin_id":404222187,"postalcode_id":504778303,"region_id":85681545}],"mz:is_deprecated":0,"ausstat:POA_CODE":"2556","geom:area":0.002167,"geom:longitude":150.727951,"wof:id":504778303,"ausstat:POA_NAME":"2556","counts:concordances_total":1,"geom:type":"MultiPolygon","wof:lastmodified":1480929260,"ausstat:SQKM":22.224837,"wof:belongsto":[85681545,102191583,404222187,85632793,102049387],"wof:concordances":{"gp:id":"28589254"},"wof:repo":"whosonfirst-data-postalcode-au","src:geom":"ausstat","wof:country":"AU","counts:names_preferred":0,"gp:parent_id":"2344700","geom:area_square_m":2.2233164742418E7,"wof:tags":[],"counts:names_variant":0,"wof:breaches":[],"edtf:inception":"uuuu","iso:country":"AU","counts:names_languages":0,"geom:bbox":"150.691666208,-33.9570127635,150.758787008,-33.9023939925","wof:superseded_by":[],"wof:supersedes":[],"wof:geomhash":"41ea4a36f6d86f09ceaa64186e3704a1","wof:parent_id":404222187,"wof:placetype_names":["postalcode"],"mz:hierarchy_label":1,"wof:placetype_id":470996387,"edtf:cessation":"uuuu"}