Dialing Tunisia
The other type of code is Tunisia National Direct Dialing prefix (or NDD). It is used only when dialing to a destination within the Tunisia. Tunisia NDD code is only used as long distance dialing within the Tunisia. Do not use Tunisia National Direct Dialing prefix when dialing from outside Tunisia into Tunisia.
For Tunisia long distance, you have to dial Tunisia National Direct Dialing prefix (or NDD), City/ Area Code, and then the subscriber telephone number respectively as:
+216 (Tunisia National Direct Dialing prefix code) + City Area Code + Number you wish to call.
On the other hand, International Dialing Tunisia Code or Tunisia International Direct Dialing prefix (or IDD) is used when dialing from the Tunisia to outside Tunisia. Do not use Tunisia IDD code when dialing within Tunisia for long distance.
On the other hand, when dialing to Tunisia from outside Tunisia, a Tunisia Country Code is used . Tunisia Country Code however is not used when dialing within Tunisia.
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