Tonga Country Code (+676): How to call Tonga

Tonga’s international country calling code is +676. To call Tonga from another country, enter the plus symbol or your country’s international access code, followed by 676 and the complete Tongan telephone number. For example, an international number begins +676 followed by the local fixed-line or mobile number.

Tonga uses different number lengths for fixed and mobile services. According to the International Telecommunication Union’s published national numbering information, geographic fixed-line numbers use five digits, while mobile and several other non-geographic services use seven digits. Therefore, do not assume that every Tongan telephone number has the same length.

Tonga calling codes at a glance

Table of Contents

What is Tonga’s country code?

The country calling code for Tonga is +676. The International Telecommunication Union lists Tonga under country code 676 in the international telephone numbering system. Consequently, any international call to a Tongan telephone number must include 676 after the international access code or plus symbol.

The plus symbol tells a mobile phone to use the appropriate international access code for the country where you are making the call. As a result, saving a Tongan contact as +676 followed by the full telephone number is usually the simplest option for international travellers.

In addition, do not confuse the country code with the first digits of a local number. The +676 code identifies Tonga internationally, while the digits that follow identify the telephone service and individual number.

How to call Tonga from overseas

Therefore, follow these steps when calling Tonga from another country:

1. Enter the + symbol on a mobile phone or use the international access code for the country you are calling from.
2. Enter Tonga’s country calling code: 676.
3. Enter the complete Tongan fixed-line or mobile number.
4. Press call and wait for the connection.

For example, the general international format is: +676 [complete Tongan telephone number]

However, number lengths vary by service. Therefore, a fixed-line number and a mobile number may contain different numbers of digits after +676.

Tonga phone number format

In addition, Tonga’s national numbering plan distinguishes between fixed-line and mobile services. Current International Telecommunication Union information shows that geographic fixed-line numbers have a five-digit national significant number, while mobile numbers use seven digits.

In addition, Tonga’s numbering plan includes non-geographic ranges for services such as mobile, VoLTE, hosted PBX and some internet-based telephone services. Therefore, the safest approach is to use the complete number exactly as your contact, hotel, airline or business provides it.

Does Tonga have area codes?

Tonga does not use 676 as an area code. Instead, 676 is the international country calling code for Tonga.

However, the national fixed-line numbering plan does use two-digit leading ranges for geographic telephone services. These digits form part of the five-digit national fixed-line number, so international callers should not add a separate area code on top of the number they receive.

For example, if a Tongan business gives you a complete five-digit fixed-line number, simply place +676 before that number when calling internationally. Therefore, there is no need to insert another geographic code between +676 and the supplied number.

Tonga fixed-line prefixes

The current national numbering plan published through the International Telecommunication Union lists a series of leading digit ranges for geographic fixed-line services. These prefixes form part of the telephone number rather than a separate international dialling code.

Telephone numbering allocations can change. Check the complete number with the person, business or accommodation provider you want to contact before making an international call.

How to call Tonga from Australia

To call Tonga from Australia, dial 0011 676 followed by the complete Tongan telephone number. Alternatively, on most mobile phones, use +676 followed by the number.

Australia to Tonga dialling format: 0011 676 [Tongan telephone number]
Mobile format: +676 [Tongan telephone number]

How to call Tonga from the UK

To call Tonga from the UK, dial 00 676 followed by the complete Tongan telephone number. Alternatively, on most mobile phones, use +676 followed by the number.

UK to Tonga dialling format: 00 676 [Tongan telephone number]
Mobile format: +676 [Tongan telephone number]

How to call Tonga from the USA or Canada

When calling from the United States or Canada on a conventional telephone service, the international access code is normally 011. You would therefore dial: 011 676 [complete Tongan telephone number]

Alternatively, most mobile phones accept the plus format: +676 [complete Tongan telephone number]

As a result, the plus format is particularly convenient when travelling because you do not need to remember the international access code used by each country.

Before calling, check your provider’s international call rates and remember that Tonga uses Tonga Time (UTC+13) throughout the year.

How to call overseas from Tonga

To call another country while you are in Tonga, enter the international access code supported by your telephone service or use the + symbol on a mobile phone. Next, enter the destination country’s calling code followed by the complete destination telephone number.

For example, a saved international contact that already begins with + and the correct country code should normally work without changing the number. However, your mobile provider may charge international or roaming rates depending on your plan.

You can compare codes for other destinations in our international dialling codes guide.

Using a mobile phone in Tonga

In addition, most travellers use a mobile phone for calls, messages, maps and online services while overseas. Before travelling, check whether your handset supports international roaming and whether your provider offers coverage in Tonga.

However, roaming can cost considerably more than domestic mobile use. Review call, text and data charges before departure, and consider whether a local SIM, travel eSIM or roaming package offers better value for your trip.

In addition, save important contacts in international format with the plus symbol and country code. This makes it easier to call the same contact while moving between countries.

For more advice, read our guide to using your mobile phone abroad.

International calling costs

However, the cost of calling Tonga depends on your mobile network, landline provider and international calling plan. Some providers charge a per-minute international rate, while others include selected destinations within add-on packages.

Therefore, check the tariff before making a long call. Alternatively, internet-based calling and messaging apps can reduce costs when you have a suitable Wi-Fi or mobile data connection.

If you plan to use your normal mobile service in Tonga, review our guide to international roaming charges before you travel.

What time should I call Tonga?

Therefore, check the current local time in Tonga before making an international call, especially when contacting a business or calling friends and family. However, time differences can be substantial when calling from Europe, the Americas, Africa or parts of Asia.

Additionally, daylight-saving changes in other countries can alter the time difference during the year. A live world clock therefore provides a more reliable answer than a fixed time-difference table.

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Staying connected while travelling in Tonga

International calls are only one way to stay connected in Tonga. Depending on your device and travel plans, you can also use roaming, a local SIM, a travel eSIM, Wi-Fi or internet-based calling services.

For shorter trips, an existing roaming package may provide the simplest option. However, travellers who expect to use significant amounts of mobile data may find a local SIM or suitable eSIM more economical.

Before buying an eSIM, confirm that your phone supports eSIM technology and remains unlocked for use with another provider. You can learn more in our guide to eSIMs for international travel.

Finally, prepare for the possibility of losing your device while travelling. Our guide to what to do if your phone is lost or stolen overseas explains how to protect your accounts, SIM and personal information.

FAQ: About Tonga Country Code

Plan your trip to Tonga

Telephone access forms only one part of preparing for a trip. For destination information, practical planning advice and further travel resources, visit our Tonga travel guide.

In addition, check Tonga visa requirements before departure and find consular information in our guide to foreign embassies and consulates in Tonga.