Calling to Tonga
- A leading '+' in the phone number means 'dial your country's exit code'.
- Calling from a mobile phone: dial from on the country where you're currently located.
- Calling from a VoIP or satellite phone: dial from on the country where the phone is registered.
… to a mobile (cellular) phone or text (sms)
Use the same call sequence.
Mobile phone numbers begin with ’87’, ’88’, and ’89’.
When calling a mobile phone user, dial to the country where the mobile phone is registered, regardless of where the person is roaming.
… to a VoIP phone
Use the same call sequence.
When calling a VoIP phone user, dial to the country where the VoIP phone is registered, regardless of where the person is roaming.
… to a satellite phone
Tonga does not have any country-specific satellite phone numbers.
Most satellite phones operate on their country code – calls to these satellite phones follow their own call sequence.
… sending a fax
Use the same call sequence.
Calling within Tonga (domestic dialing)
Dial the entire phone number as it is listed.
There is no trunk prefix used with Tonga’s phone system.
five digits |
local phone number |
Tonga’s phone numbers explained
Number details
Tongan phone numbers are five digits.
The first two digits signify a geographic (area) code.
Mobile numbers begin with digits ’87’, ’88’, or ’89’.
An example of a Tongan phone number
The Ministry of Information & Communications lists its phone number in Nuku’alofa as (676) 28 170.
Phone number explanation
676 | 28 | 170 |
country code for Tonga | geographic (area) code for Nuku'alofa | local phone number within Nuku'alofa |
Local example – calling from another location in Nuku’alofa
Dial the entire five digit phone number for all calls within Tonga.
28 | 170 |
geographic (area) code for Nuku'alofa | local phone number within Nuku'alofa |
Long distance example – calling from Neiafu, Tonga (on the other side of the country)
Dial the entire five digit phone number for all calls within Tonga.
28 | 170 |
geographic (area) code for Nuku'alofa | local phone number within Nuku'alofa |
Mobile phone example – calling from a mobile phone (including a foreign mobile roaming in Tonga)
Dial the entire five digit phone number for all calls within Tonga.
28 | 170 |
geographic (area) code for Nuku'alofa | local phone number within Nuku'alofa |
International example – calling from outside Tonga
To call from outside Tonga, dial the exit code of the country the call is dialed from, followed by Tonga’s country code of ‘676’, followed by the local phone number.
exit code | 676 | 28 | 170 |
exit code of the country the call is dialed from | country code for Tonga | geographic (area) code for Nuku'alofa | local phone number within Nuku'alofa |
Calling from Tonga
’00’ is used as an exit code when dialing an international call from Tonga.
Sources and more resources
- Ministry for Information and Communications of Tonga (MIC) – Tonga’s telephone systems regulator.
- ITU (International Telecommunications Union) – United Nations specialized agency for information and communications technologies.
- International Telecommunications Union – DIALLING PROCEDURES (INTERNATIONAL PREFIX, NATIONAL (TRUNK) PREFIX AND NATIONAL (SIGNIFICANT) NUMBER) (IN ACCORDANCE WITH ITU-T RECOMMENDATION E.164 (11/2010)) – A collection of dialing procedures for all countries and regions of the world. Retrieved 16 September 2016.
- International Telecommunications Union – Tonga (country code +676) National Numbering Plan – Details of Tonga’s telephone numbering plan as submitted to the ITU. Retrieved 10 December 2016.
- Wikipedia – Telephone numbers in Tonga – Wikipedia entry for telephone number data for Tonga. Includes specific number ranges for each city as well as detail on calling procedures.
- BT – The Phonebook – Tonga – Entry for Tonga in the British Telecom international directory.