53517 is a postalcode and its consensus geometry is derived from uszcta.
{"mz:is_ceased":0,"geom:latitude":43.03594,"wof:name":"53517","counts:names_total":0,"wof:placetype":"postalcode","mz:is_current":1,"wof:hierarchy":[{"continent_id":102191575,"country_id":85633793,"county_id":102081795,"localadmin_id":404491681,"postalcode_id":554727733,"region_id":85688517}],"mz:is_deprecated":0,"lbl:latitude":43.056983,"geom:area":0.012671,"geom:longitude":-89.831734,"wof:id":554727733,"counts:concordances_total":1,"geom:type":"Polygon","wof:lastmodified":1611185514,"wof:belongsto":[102191575,85633793,102081795,404491681,85688517],"wof:concordances":{"gp:id":"12780969"},"wof:repo":"whosonfirst-data-postalcode-us","src:geom":"uszcta","wof:country":"US","counts:names_preferred":0,"gp:parent_id":"12590546","geom:area_square_m":1.14517312092116E8,"wof:tags":[],"counts:names_variant":0,"wof:breaches":[],"edtf:inception":"uuuu","iso:country":"US","counts:names_languages":0,"geom:bbox":"-89.897635,42.922817,-89.768729,43.138277","wof:superseded_by":[],"wof:supersedes":[],"lbl:longitude":-89.832329,"wof:geomhash":"887f57fe42231ed962251a34ffa41804","wof:parent_id":404491681,"wof:placetype_names":["postalcode"],"mz:hierarchy_label":1,"wof:placetype_id":470996387,"edtf:cessation":"uuuu","mz:postal_locality":"Blue Mounds"}