Dialing Guyana
The other type of code is Guyana National Direct Dialing prefix (or NDD). It is used only when dialing to a destination within the Guyana. Guyana NDD code is only used as long distance dialing within the Guyana. Do not use Guyana National Direct Dialing prefix when dialing from outside Guyana into Guyana.
For Guyana long distance, you have to dial Guyana National Direct Dialing prefix (or NDD), City/ Area Code, and then the subscriber telephone number respectively as:
+592 (Guyana National Direct Dialing prefix code) + City Area Code + Number you wish to call.
On the other hand, International Dialing Guyana Code or Guyana International Direct Dialing prefix (or IDD) is used when dialing from the Guyana to outside Guyana. Do not use Guyana IDD code when dialing within Guyana for long distance.
On the other hand, when dialing to Guyana from outside Guyana, a Guyana Country Code is used . Guyana Country Code however is not used when dialing within Guyana.
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