Area Code +676-21-(000...999) located in Nuku’alofa, more detail is as below. Place International Dialing Code : 676 International Prefix : 00 National Destination Code : 21 Subscriber Number From : 000 Subscriber Number To : 999 National Destination Code Length : 2 Uses National Destination Code : Yes National Significant Number Length : 5 Number Type : G (Geographic Land Line, Fixed Line) Carrier Name : Tonga Communications Click here to buy Tonga Area Code Database Other Information Language Code : to (Tonga) Country Number : 776 (Tonga) Country Code : TO (Tonga) City : Nuku’alofa Timezone : Pacific/Tongatapu Coordinated Universal Time : +13:00 Daylight Saving Time : No National Significant Number Minimum Length : 5 Latitude : -21.1300 Longitude : -175.2000 ‹ previous : +676-20-(000...999) next › : +676-22-(000...999) Dialling Instructions For trunk calls: - 21 000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 676 21 000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 000 ~ 999 (Count: 1,000) Example: +676-21-000 / 00676-21-000 (21-000 / -21-000) +676-21-001 / 00676-21-001 (21-001 / -21-001) +676-21-002 / 00676-21-002 (21-002 / -21-002) +676-21-003 / 00676-21-003 (21-003 / -21-003) +676-21-004 / 00676-21-004 (21-004 / -21-004) ...+676-21-xxx / 00676-21-xxx (21-xxx / -21-xxx) ...+676-21-995 / 00676-21-995 (21-995 / -21-995) +676-21-996 / 00676-21-996 (21-996 / -21-996) +676-21-997 / 00676-21-997 (21-997 / -21-997) +676-21-998 / 00676-21-998 (21-998 / -21-998) +676-21-999 / 00676-21-999 (21-999 / -21-999)