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Tonga +676

International code · Oceania

How to dial

Calling from abroad +676 XXX XXXX

Dial +676, then the local number. Generate the full number →

No trunk prefix — dial local and long distance numbers directly.

Mobile length
7 digits
Mobile prefixes
XXX XXXX
International format
+676 XXX XXXX
Domestic trunk
(none)

Sign-up availability

What to expect when signing up for these services with a physical SIM from this country:

ChatGPT Works
Claude Works
WhatsApp Works
Telegram Works
LINE Works
WeChat Works
X Works
TikTok Works
Gemini Works

Applies to every platform: VoIP / virtual numbers and heavily-reused number pools get rejected. Physical SIM only.

Checked 2026-09-12. Platform region policies and number-range allocations change — always confirm against each platform’s official supported-regions list and the carrier’s notices.
4 sources
help.openai.com/articles/7947663www.anthropic.com/supported-countriessupport.google.com/gemini?p=gemini_web_availabilitywww.mappr.co/tiktok-bans-by-country

How to read a number

+6768401234

+676Country code
Tonga.
840Prefix
Tonga has no trunk prefix. 840 is registered to Digicel.
1234Remaining 4 digits
The subscriber number.

Dialled domestically as these 7 digits; there is no trunk prefix.

This section checked 2026-10-31.
1 sources
www.itu.int/dms_pub/itu-t/oth/02/02/T02020000D30005MSWE.docx

Number ranges & quality

RangeTypeNotes
3-digit code + 4 digits, 7 digits Mobile carrier Tonga has no trunk prefix. The numbering plan MEIDECC notified to the ITU in December 2023: landlines are 5 digits, mobiles 7 (a 3-digit code plus 4 digits). Mobile codes: TCC (Tonga Communications Corporation) has 720, 730, 740, 750, 760, 770 and 780; Digicel has 840, 860, 870, 880 and 890; Toko Wireless has 554–556, plus VoLTE ranges 540–545 and VoIP ranges 546–553 and 557–559.
Intl SMSStable
Virtual-number riskLow
ID requiredID is required; prepaid cards generally need real-name registration.

Physical SIMs can sign up without issues.

Carriers & prefixes

Mobile prefixes by carrier.

Number portability status unverified.

Porting rules in full

Tonga's numbering plan lists the ported-numbers database as “not applicable”, and we found no other official statement, so this is marked unverified.

  • Digicel Mobile carrier

    840, 860, 870, 880, 890

    Registered in the numbering plan as Digicel Tonga Limited.

  • TCC Mobile carrier

    720, 730, 740, 750, 760, 770, 780

    Registered in the numbering plan as Tonga Communications Corporation; all landline ranges are its too.

  • Toko Wireless Mobile carrier

    554~556

    The plan marks 554–556 as “mobile service”; it also holds many VoLTE and VoIP ranges.

This section checked 2026-10-20.
1 sources
www.itu.int/dms_pub/itu-t/oth/02/02/T02020000D30005MSWE.docx

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Other countries

Elsewhere in Oceania