4388MB is a postalcode and its consensus geometry is derived from oa.
{"mz:is_ceased":0,"wof:created":1469681388,"geom:latitude":51.472422,"wof:name":"4388MB","counts:names_total":0,"wof:placetype":"postalcode","mz:is_current":-1,"mz:is_approximate":1,"wof:hierarchy":[{"continent_id":102191581,"country_id":85633337,"localadmin_id":404474335,"locality_id":101839443,"postalcode_id":890954759,"region_id":85687037}],"mz:is_deprecated":0,"geom:area":1.0E-6,"geom:longitude":3.609526,"wof:id":890954759,"geom:type":"Polygon","wof:lastmodified":1513625609,"clustr:alpha":0.05,"wof:belongsto":[85687037,102191581,404474335,85633337,101839443],"mz:is_clustr":1,"wof:repo":"whosonfirst-data-postalcode-nl","src:geom":"oa","wof:country":"NL","counts:names_preferred":0,"geom:area_square_m":5375.072362,"wof:tags":[],"counts:names_variant":0,"wof:breaches":[],"edtf:inception":"uuuu","iso:country":"NL","counts:names_languages":0,"geom:bbox":"3.60871601105,51.4719047546,3.61026358604,51.4729728699","clustr:count":30,"clustr:area":14.67,"clustr:density":2.05,"wof:superseded_by":[],"wof:supersedes":[],"wof:geomhash":"8c38e65ed221616bf27e9d2a7c7efb36","wof:parent_id":101839443,"wof:placetype_names":["postalcode"],"mz:hierarchy_label":1,"wof:placetype_id":470996387,"clustr:perimeter":0.31,"edtf:cessation":"uuuu"}