JSON data of all danish postal codes.
varcodes=require('postal-codes-denmark');codes===codes.denmark;// truecodes[codes.length-1];//{code: "9990", city: "Skagen", street: "", company: "" }codes[codes.denmark.length-1];//{code: "9990", city: "Skagen", street: "", company: "" }codes.greenland[0];//{code: "3900", city: "Nuuk", street: "", company:"" }