International Dialing Greece
This is the international dialing code used when dialing from Greece. International Dialing Greece Code is also known as Greece International Direct Dialing prefix (or IDD) is used when dialing from the Greece to outside Greece (sometimes also refers to as Greece international access code). Do not use Greece IDD code when dialing within Greece. By simply using the Greece Dialing Code before the number, it unables you to place a call to outside Greece from within Greece. Without this international dialing Greece Code, you will not able to place a call outside the Greece because the telephone exachange will not reconginize it as a valid international call.
To dial a international number outside Greece from within Greece, you have to dial International Dialing Greece Code or Greece International Direct Dialing prefix (IDD), Greece Country Code, City/ Area Code, and then the subscriber telephone number respectively as:
+30 (International Dialing Greece Code) + (Country Code) + City Area Code + Number you wish to call.
When dialing from a mobile phone outside Greece from Greece, only Dial '+' + (Country Code) + City Area Code + Number you wish to call. (The "+" is universal mobile international direct dialing prefix also includes Greece)
On the other hand, when dialing to Greece from outside Greece, a Greece Country Code is used. Greece Country Code however is not used when dialing within Greece.
The other type of code is Greece National Direct Dialing prefix (or NDD). It is used only when dialing to a destination within the Greece (Refer to dialing Greece code). Greece NDD code is only used as long distance dialing within the Greece. Do not use Greece National Direct Dialing prefix when dialing from outside Greece into Greece.
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