49085 is a postalcode and its consensus geometry is derived from uszcta.
{"mz:is_ceased":0,"geom:latitude":42.053135,"wof:name":"49085","counts:names_total":0,"wof:placetype":"postalcode","mz:is_current":1,"wof:hierarchy":[{"continent_id":102191575,"country_id":85633793,"county_id":102083151,"localadmin_id":404505789,"postalcode_id":554782647,"region_id":85688599}],"mz:is_deprecated":0,"lbl:latitude":42.054277,"mz:postal_locality_alt":["Saint Joseph"],"geom:area":0.007361,"geom:longitude":-86.463234,"wof:id":554782647,"counts:concordances_total":1,"geom:type":"Polygon","wof:lastmodified":1611183623,"wof:belongsto":[102191575,85633793,102083151,404505789,85688599],"wof:concordances":{"gp:id":"12779189"},"wof:repo":"whosonfirst-data-postalcode-us","src:geom":"uszcta","wof:country":"US","counts:names_preferred":0,"gp:parent_id":"12588724","geom:area_square_m":6.758552844393E7,"wof:tags":[],"counts:names_variant":0,"wof:breaches":[],"edtf:inception":"uuuu","iso:country":"US","counts:names_languages":0,"geom:bbox":"-86.529567,42.00014,-86.399145,42.130758","wof:superseded_by":[],"wof:supersedes":[],"lbl:longitude":-86.4626,"wof:geomhash":"46f0a39cc8a3761274e5479cfab165e1","wof:parent_id":404505789,"wof:placetype_names":["postalcode"],"mz:hierarchy_label":1,"wof:placetype_id":470996387,"edtf:cessation":"uuuu","mz:postal_locality":"St Joseph"}