51026 is a postalcode and its consensus geometry is derived from uszcta.
{"mz:is_ceased":0,"geom:latitude":42.250608,"wof:name":"51026","counts:names_total":0,"wof:placetype":"postalcode","mz:is_current":1,"wof:hierarchy":[{"continent_id":102191575,"country_id":85633793,"county_id":102086309,"postalcode_id":554726375,"region_id":85688713}],"mz:is_deprecated":0,"lbl:latitude":42.255339,"geom:area":0.03068,"geom:longitude":-96.07447,"wof:id":554726375,"counts:concordances_total":1,"geom:type":"Polygon","wof:lastmodified":1611184900,"wof:belongsto":[102191575,85633793,102086309,85688713],"wof:concordances":{"gp:id":"12780205"},"wof:repo":"whosonfirst-data-postalcode-us","src:geom":"uszcta","wof:country":"US","counts:names_preferred":0,"gp:parent_id":"12588368","geom:area_square_m":2.808105110419E8,"wof:tags":[],"counts:names_variant":0,"wof:breaches":[],"edtf:inception":"uuuu","iso:country":"US","counts:names_languages":0,"geom:bbox":"-96.179391,42.125213,-95.941173,42.38614","wof:superseded_by":[],"wof:supersedes":[],"lbl:longitude":-96.068143,"wof:geomhash":"0db832e11127b71a2dc4ea63952e8f5e","wof:parent_id":102086309,"wof:placetype_names":["postalcode"],"mz:hierarchy_label":1,"wof:placetype_id":470996387,"edtf:cessation":"uuuu","mz:postal_locality":"Hornick"}