{"mapId":"usa_zip2_boundaries_ma","name":"Massachusetts 2-digit ZIP boundaries","totalFeatureCount":2,"columns":["fid","ZIP2","STATE","ZIP","ZIP3","ZIP4","PO_NAME","area_km","CARTO_REGION"],"rows":[["52","01","MA","01220","12","122","Adams","59.4","State"],["53","02","MA","02021","20","202","Canton","51","State"]],"rowCount":2,"columnCount":9}