Dialing Denmark
The other type of code is Denmark National Direct Dialing prefix (or NDD). It is used only when dialing to a destination within the Denmark. Denmark NDD code is only used as long distance dialing within the Denmark. Do not use Denmark National Direct Dialing prefix when dialing from outside Denmark into Denmark.
For Denmark long distance, you have to dial Denmark National Direct Dialing prefix (or NDD), City/ Area Code, and then the subscriber telephone number respectively as:
+45 (Denmark National Direct Dialing prefix code) + City Area Code + Number you wish to call.
On the other hand, International Dialing Denmark Code or Denmark International Direct Dialing prefix (or IDD) is used when dialing from the Denmark to outside Denmark. Do not use Denmark IDD code when dialing within Denmark for long distance.
On the other hand, when dialing to Denmark from outside Denmark, a Denmark Country Code is used . Denmark Country Code however is not used when dialing within Denmark.
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