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Tonga Phone Number Format

Country code +676 — Complete guide to Tonga phone number formats, mobile and landline structures, and area codes.

How Tonga Phone Numbers Are Written

Phone numbers in Tonga have 7 digits for mobiles and 5 for landlines after the country code +676. There is no trunk prefix to remove: the number is written the same way at home (77X XXXX) and after the country code (+676 77X XXXX).

Country code+676
Digits after +6767 digits for mobiles and 5 for landlines
Trunk prefix (domestic calls) None
Mobile numbers start with 5, 6, 7, 8 or 9
Exit code (to call abroad from Tonga)00
Dial from the US011 676 77X XXXX

Mobile vs. Landline Numbers

Mobile numbers

7 digits after +676, starting with 5, 6, 7, 8 or 9.

77X XXXX at home
+676 77X XXXX international
Landline numbers

5 digits after +676. Landlines begin with an area code, for example Nuku'alofa:

20-XXX at home
+676 20-XXX international

Tonga Number Types

Type Starts with Written at home International From the US
Mobile 5, 6, 7, 8 or 9 77X XXXX +676 77X XXXX 011 676 77X XXXX
Landline — 20-XXX +676 20-XXX 011 676 20-XXX
Toll-free 08 0800 XXX +676 0800 XXX 011 676 0800 XXX
VoIP — 551 XXXX +676 551 XXXX 011 676 551 XXXX

X stands for any digit. Source: libphonenumber metadata (phonenumbers 9.0.40), Google's open numbering data.

Checking a number from Tonga? The phone number checker tells you if it is valid, mobile or landline, and gives its international format.

Dialing Tips

  • Keep every digit: Tonga numbers have no trunk prefix, so dial them after +676 exactly as they are written locally.
  • Use the + notation: From a US mobile phone, use +676 instead of 011 676.
  • Verify the number length: Numbers in Tonga have 7 digits for mobiles and 5 for landlines after +676. If your call does not connect, check that no digit is missing or doubled.
  • Save contacts in international format: Always store phone numbers with the full +676 prefix so they work from any country.

Tonga Phone Number FAQ

How many digits does a phone number in Tonga have?

Phone numbers in Tonga have 7 digits for mobiles and 5 for landlines after the country code +676.

What do mobile numbers in Tonga start with?

Mobile numbers in Tonga start with 5, 6, 7, 8 or 9, for example 77X XXXX.

How do I write a phone number from Tonga in international format?

Start with +676, then the national number. For example, a mobile number written 77X XXXX at home becomes +676 77X XXXX. From a US landline, dial 011 676 77X XXXX.

What is the toll-free prefix in Tonga?

Toll-free numbers in Tonga start with 08, for example 0800 XXX. Many toll-free numbers can't be reached from abroad.

How do I call the US from Tonga?

Dial the exit code 00, then 1 and the 10-digit US number: 00 1 XXX XXX XXXX. From a mobile phone you can use + instead of 00: +1 XXX XXX XXXX.

Tonga Quick Info
Country Code +676
ISO Code TO
Capital Nuku'alofa
International Prefix 011 (from US)
Full Country Profile
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