16390 is a postalcode and its consensus geometry is derived from frgov.
{"mz:is_ceased":0,"geom:latitude":45.301401,"wof:name":"16390","counts:names_total":0,"wof:placetype":"postalcode","frgov:DEP":"16","frgov:ID":"16390","frgov:_COL6":1173.765,"mz:is_approximate":1,"wof:hierarchy":[{"continent_id":102191581,"country_id":85633147,"county_id":102064823,"empire_id":136253037,"localadmin_id":404348673,"macrocounty_id":404227619,"macroregion_id":1108826385,"postalcode_id":421298315,"region_id":85683437}],"mz:is_deprecated":0,"frgov:SURF":87.570184,"geom:area":0.010069,"geom:longitude":0.198255,"wof:id":421298315,"frgov:LIB":"Saint-Sverin","counts:concordances_total":1,"geom:type":"MultiPolygon","wof:lastmodified":1496506034,"wof:belongsto":[85683437,102191581,85633147,404348673,404227619,1108826385,136253037,102064823],"wof:concordances":{"gp:id":"12723339"},"wof:repo":"whosonfirst-data-postalcode-fr","src:geom":"frgov","wof:country":"FR","counts:names_preferred":0,"frgov:POP2010":2558,"gp:parent_id":"12597157","geom:area_square_m":8.7576044266314E7,"wof:tags":[],"counts:names_variant":0,"wof:breaches":[],"edtf:inception":"uuuu","iso:country":"FR","counts:names_languages":0,"geom:bbox":"0.115843923913,45.2089961516,0.270634627899,45.3639341133","wof:superseded_by":[],"wof:supersedes":[],"wof:geomhash":"c3df1f3c3f8275c857c32ae84e2cc063","wof:parent_id":404348673,"wof:placetype_names":["postalcode"],"mz:hierarchy_label":1,"wof:placetype_id":470996387,"edtf:cessation":"uuuu"}