91301 is a postalcode and its consensus geometry is derived from uszcta.
{"mz:is_ceased":0,"geom:latitude":34.122736,"wof:name":"91301","counts:names_total":0,"wof:placetype":"postalcode","mz:is_current":1,"wof:hierarchy":[{"continent_id":102191575,"country_id":85633793,"county_id":102086957,"postalcode_id":554784199,"region_id":85688637}],"mz:is_deprecated":0,"lbl:latitude":34.123286,"mz:postal_locality_alt":["Calabasas","Agoura","Calabasas Hills"],"geom:area":0.008662,"geom:longitude":-118.757249,"wof:id":554784199,"counts:concordances_total":1,"geom:type":"Polygon","wof:lastmodified":1611183947,"wof:belongsto":[102191575,85633793,102086957,85688637],"wof:concordances":{"gp:id":"12795958"},"wof:repo":"whosonfirst-data-postalcode-us","src:geom":"uszcta","wof:country":"US","counts:names_preferred":0,"geom:area_square_m":8.866362130559E7,"wof:tags":[],"counts:names_variant":0,"wof:breaches":[],"edtf:inception":"uuuu","iso:country":"US","counts:names_languages":0,"geom:bbox":"-118.832982,34.067386,-118.697214,34.168619","wof:superseded_by":[],"wof:supersedes":[],"lbl:longitude":-118.758541,"wof:geomhash":"38f8607d278bc43c05da8abc2ea22ad6","wof:parent_id":102086957,"wof:placetype_names":["postalcode"],"mz:hierarchy_label":1,"wof:placetype_id":470996387,"edtf:cessation":"uuuu","mz:postal_locality":"Agoura Hills"}