99122 is a postalcode and its consensus geometry is derived from uszcta.
{"mz:is_ceased":0,"geom:latitude":47.67753,"wof:name":"99122","counts:names_total":0,"wof:placetype":"postalcode","mz:is_current":1,"wof:hierarchy":[{"continent_id":102191575,"country_id":85633793,"county_id":102081245,"postalcode_id":554756285,"region_id":85688623}],"mz:is_deprecated":0,"lbl:latitude":47.687849,"geom:area":0.179081,"geom:longitude":-118.208004,"wof:id":554756285,"counts:concordances_total":1,"geom:type":"MultiPolygon","wof:lastmodified":1611184300,"wof:belongsto":[102191575,85633793,102081245,85688623],"wof:concordances":{"gp:id":"12799473"},"wof:repo":"whosonfirst-data-postalcode-us","src:geom":"uszcta","wof:country":"US","counts:names_preferred":0,"gp:parent_id":"12590461","geom:area_square_m":1.490943030699099E9,"wof:tags":[],"counts:names_variant":0,"wof:breaches":[],"edtf:inception":"uuuu","iso:country":"US","counts:names_languages":0,"geom:bbox":"-118.593237,47.452574,-117.887673,47.945415","wof:superseded_by":[],"wof:supersedes":[],"lbl:longitude":-118.208232,"wof:geomhash":"777c4c309481216946f6b5f0099e33d7","wof:parent_id":102081245,"wof:placetype_names":["postalcode"],"mz:hierarchy_label":1,"wof:placetype_id":470996387,"edtf:cessation":"uuuu","mz:postal_locality":"Davenport"}