30248 is a postalcode and its consensus geometry is derived from uszcta.
{"mz:is_ceased":0,"geom:latitude":33.351423,"wof:name":"30248","counts:names_total":0,"wof:placetype":"postalcode","mz:is_current":1,"wof:hierarchy":[{"continent_id":102191575,"country_id":85633793,"county_id":102082899,"locality_id":85936737,"postalcode_id":554712959,"region_id":85688535}],"mz:is_deprecated":0,"lbl:latitude":33.351576,"mz:postal_locality_alt":["Mcdonough","Mc Donough","Senoia"],"geom:area":0.017862,"geom:longitude":-84.107754,"wof:id":554712959,"counts:concordances_total":1,"geom:type":"Polygon","wof:lastmodified":1611183717,"wof:belongsto":[102191575,85633793,102082899,85936737,85688535],"wof:concordances":{"gp:id":"12770676"},"wof:repo":"whosonfirst-data-postalcode-us","src:geom":"uszcta","wof:country":"US","counts:names_preferred":0,"gp:parent_id":"2347569","geom:area_square_m":1.84496168679693E8,"wof:tags":[],"counts:names_variant":0,"wof:breaches":[],"edtf:inception":"uuuu","iso:country":"US","counts:names_languages":0,"geom:bbox":"-84.240336,33.272301,-83.975432,33.419484","wof:superseded_by":[],"wof:supersedes":[],"lbl:longitude":-84.105959,"wof:geomhash":"654cdc66309a79db63281e557b56bc02","wof:parent_id":85936737,"wof:placetype_names":["postalcode"],"mz:hierarchy_label":1,"wof:placetype_id":470996387,"edtf:cessation":"uuuu","mz:postal_locality":"Locust Grove"}