00 - Estonia exit code to dial first when calling international
683 - Niuean country code must be dialed next
00 +
683 +
Local Number - Overall dialing code format
World Times:
The time in Estonia is now 16:28:20 PM(04:28:20 PM)
The time in Niue is now 02:28:20 AM(02:28:20 AM)
How to call Niue from Estonia:
World Times:
Mobile Codes: