29487 is a postalcode and its consensus geometry is derived from uszcta.
{"mz:is_ceased":0,"geom:latitude":32.656896,"wof:name":"29487","counts:names_total":0,"wof:placetype":"postalcode","mz:is_current":1,"wof:hierarchy":[{"continent_id":102191575,"country_id":85633793,"county_id":102085591,"postalcode_id":554712251,"region_id":85688683}],"mz:is_deprecated":0,"lbl:latitude":32.657682,"geom:area":0.012603,"geom:longitude":-80.184773,"wof:id":554712251,"counts:concordances_total":1,"geom:type":"Polygon","wof:lastmodified":1611183707,"wof:belongsto":[102191575,85633793,102085591,85688683],"wof:concordances":{"gp:id":"12770219"},"wof:repo":"whosonfirst-data-postalcode-us","src:geom":"uszcta","wof:country":"US","counts:names_preferred":0,"gp:parent_id":"12589809","geom:area_square_m":1.31198692769272E8,"wof:tags":[],"counts:names_variant":0,"wof:breaches":[],"edtf:inception":"uuuu","iso:country":"US","counts:names_languages":0,"geom:bbox":"-80.27132,32.57937,-80.075534,32.717826","wof:superseded_by":[],"wof:supersedes":[],"lbl:longitude":-80.183948,"wof:geomhash":"62a80900f715105120ee215bfd497d1c","wof:parent_id":102085591,"wof:placetype_names":["postalcode"],"mz:hierarchy_label":1,"wof:placetype_id":470996387,"edtf:cessation":"uuuu","mz:postal_locality":"Wadmalaw Island"}