[{"key":"05112000","name":"Duisburg, Stadt","type":"Kreisfreie Stadt","postalCode":"47051","multiplePostalCodes":true,"district":{"key":"05112","name":"Duisburg, Stadt","type":"Kreisfreie Stadt"},"governmentRegion":{"key":"051","name":"Reg.-Bez. Düsseldorf"},"federalState":{"key":"05","name":"Nordrhein-Westfalen"}}]