98338 is a postalcode and its consensus geometry is derived from uszcta.
{"mz:is_ceased":0,"geom:latitude":47.020505,"wof:name":"98338","counts:names_total":0,"wof:placetype":"postalcode","mz:is_current":1,"wof:hierarchy":[{"continent_id":102191575,"country_id":85633793,"county_id":102087547,"locality_id":101730957,"postalcode_id":554755677,"region_id":85688623}],"mz:is_deprecated":0,"lbl:latitude":47.034316,"mz:postal_locality_alt":["Spanaway"],"geom:area":0.016586,"geom:longitude":-122.283196,"wof:id":554755677,"counts:concordances_total":1,"geom:type":"MultiPolygon","wof:lastmodified":1611182597,"wof:belongsto":[102191575,85633793,102087547,101730957,85688623],"wof:concordances":{"gp:id":"12799104"},"wof:repo":"whosonfirst-data-postalcode-us","src:geom":"uszcta","wof:country":"US","counts:names_preferred":0,"gp:parent_id":"12590466","geom:area_square_m":1.39818891282817E8,"wof:tags":[],"counts:names_variant":0,"wof:breaches":[],"edtf:inception":"uuuu","iso:country":"US","counts:names_languages":0,"geom:bbox":"-122.400201,46.953977,-122.193405,47.089554","wof:superseded_by":[],"wof:supersedes":[],"lbl:longitude":-122.276854,"wof:geomhash":"94d9429be3fb2c9b30da60720d83bc18","wof:parent_id":101730957,"wof:placetype_names":["postalcode"],"mz:hierarchy_label":1,"wof:placetype_id":470996387,"edtf:cessation":"uuuu","mz:postal_locality":"Graham"}