28290 is a postalcode and its consensus geometry is derived from frgov.
{"mz:is_ceased":0,"geom:latitude":48.114087,"wof:name":"28290","counts:names_total":0,"wof:placetype":"postalcode","frgov:DEP":"28","frgov:ID":"28290","frgov:_COL6":1673.338,"mz:is_approximate":1,"wof:hierarchy":[{"continent_id":102191581,"country_id":85633147,"county_id":102066299,"localadmin_id":404359303,"macrocounty_id":404227855,"macroregion_id":404227461,"postalcode_id":421299991,"region_id":85683189}],"mz:is_deprecated":0,"frgov:SURF":129.295603,"geom:area":0.015663,"geom:longitude":1.117936,"wof:id":421299991,"frgov:LIB":"Arrou","counts:concordances_total":1,"geom:type":"MultiPolygon","wof:lastmodified":1480938822,"wof:belongsto":[85683189,102191581,85633147,404359303,404227855,404227461,102066299],"wof:concordances":{"gp:id":"12724085"},"wof:repo":"whosonfirst-data-postalcode-fr","src:geom":"frgov","wof:country":"FR","counts:names_preferred":0,"frgov:POP2010":3741,"gp:parent_id":"12597129","geom:area_square_m":1.29304899671759E8,"wof:tags":[],"counts:names_variant":0,"wof:breaches":[],"edtf:inception":"uuuu","iso:country":"FR","counts:names_languages":0,"geom:bbox":"0.992317444189,48.0524584441,1.23016423477,48.1655652242","wof:superseded_by":[],"wof:supersedes":[],"wof:geomhash":"ff0cee39e5fe7dd845a99a98d26874d3","wof:parent_id":404359303,"wof:placetype_names":["postalcode"],"mz:hierarchy_label":1,"wof:placetype_id":470996387,"edtf:cessation":"uuuu"}