International Dialing Guinea
This is the international dialing code used when dialing from Guinea. International Dialing Guinea Code is also known as Guinea International Direct Dialing prefix (or IDD) is used when dialing from the Guinea to outside Guinea (sometimes also refers to as Guinea international access code). Do not use Guinea IDD code when dialing within Guinea. By simply using the Guinea Dialing Code before the number, it unables you to place a call to outside Guinea from within Guinea. Without this international dialing Guinea Code, you will not able to place a call outside the Guinea because the telephone exachange will not reconginize it as a valid international call.
To dial a international number outside Guinea from within Guinea, you have to dial International Dialing Guinea Code or Guinea International Direct Dialing prefix (IDD), Guinea Country Code, City/ Area Code, and then the subscriber telephone number respectively as:
+224 (International Dialing Guinea Code) + (Country Code) + City Area Code + Number you wish to call.
When dialing from a mobile phone outside Guinea from Guinea, only Dial '+' + (Country Code) + City Area Code + Number you wish to call. (The "+" is universal mobile international direct dialing prefix also includes Guinea)
On the other hand, when dialing to Guinea from outside Guinea, a Guinea Country Code is used. Guinea Country Code however is not used when dialing within Guinea.
The other type of code is Guinea National Direct Dialing prefix (or NDD). It is used only when dialing to a destination within the Guinea (Refer to dialing Guinea code). Guinea NDD code is only used as long distance dialing within the Guinea. Do not use Guinea National Direct Dialing prefix when dialing from outside Guinea into Guinea.
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