07834 is a postalcode and its consensus geometry is derived from uszcta.
{"mz:is_ceased":0,"geom:latitude":40.88849,"wof:name":"07834","counts:names_total":0,"wof:placetype":"postalcode","mz:is_current":1,"wof:hierarchy":[{"continent_id":102191575,"country_id":85633793,"county_id":102087413,"localadmin_id":404478305,"postalcode_id":554700207,"region_id":85688607}],"mz:is_deprecated":0,"lbl:latitude":40.887246,"mz:postal_locality_alt":["Hackettstown","Dover","Newton"],"geom:area":0.003636,"geom:longitude":-74.486456,"wof:id":554700207,"counts:concordances_total":1,"geom:type":"Polygon","wof:lastmodified":1611183202,"wof:belongsto":[102191575,85633793,102087413,404478305,85688607],"wof:concordances":{"gp:id":"12760902"},"wof:repo":"whosonfirst-data-postalcode-us","src:geom":"uszcta","wof:country":"US","counts:names_preferred":0,"gp:parent_id":"12589271","geom:area_square_m":3.3989008622266E7,"wof:tags":[],"counts:names_variant":0,"wof:breaches":[],"edtf:inception":"uuuu","iso:country":"US","counts:names_languages":0,"geom:bbox":"-74.533573,40.833144,-74.43801,40.935156","wof:superseded_by":[],"wof:supersedes":[],"lbl:longitude":-74.490462,"wof:geomhash":"4b05c3eac45a90e74f6051b46c5a8bdb","wof:parent_id":404478305,"wof:placetype_names":["postalcode"],"mz:hierarchy_label":1,"wof:placetype_id":470996387,"edtf:cessation":"uuuu","mz:postal_locality":"Denville"}