Tonga flag TO

How to Call Tonga from the United States

Country code +676 — Dial 011 676 77X XXXX from a US landline or +676 77X XXXX from a mobile phone.

+676
Tonga Country Code

What to Dial

  1. 1Dial 011 from a US landline, or + from a mobile (hold the 0 key).
  2. 2Dial 676, the country code of Tonga.
  3. 3Dial the number: 7 digits for mobiles and 5 for landlines, exactly as written: Tonga has no leading 0 to drop.
Calling a… Written in Tonga From a US landline From a cell phone
Mobile 77X XXXX 011 676 77X XXXX +676 77X XXXX
Landline (Nuku'alofa) 20-XXX 011 676 20-XXX +676 20-XXX

X stands for any digit. Mobile numbers start with 5, 6, 7, 8 or 9. More number types: Tonga phone number format.

Mobile or Landline?

Tonga had 62 mobile subscriptions and 3.1 landlines per 100 people in 2022. Most people you call will be on a mobile, so ask for their mobile number and check what your plan charges for calls to Tonga mobiles.

Source: World Bank (ITU).

Calling Tips for Tonga

Best Time to Call

To reach someone between 9 AM and 8 PM in Nuku'alofa, call between 3:00 PM–2:00 AM EST (12:00 PM–11:00 PM PST). Tonga doesn’t change its clocks, so the gap moves by an hour when the US does.

Tonga is on UTC+13, 18 hours ahead of US Eastern Time right now.

Cost Saving Tips

  • VoIP services such as Google Voice or Vonage usually charge less per minute than a carrier's standard international rate.
  • WiFi calling apps (WhatsApp, Viber, FaceTime) are free when both parties have the app.
  • Check your carrier's international plan — many offer add-on packages.

Time Difference

US Eastern (EST)
--:--
UTC-5
+18h
Tonga
--:--
UTC+13

Frequently Asked Questions

How do I call Tonga from the US?
From a US landline, dial 011, then 676, then the number: 011 676 77X XXXX for a mobile. From a cell phone, dial +676 77X XXXX.
Do I need to drop a 0 when calling Tonga?
No. Tonga has no trunk prefix: dial every digit after +676 exactly as written, for example +676 77X XXXX.
How many digits is a phone number in Tonga?
7 digits for mobiles and 5 for landlines after the country code +676. Mobile numbers start with 5, 6, 7, 8 or 9.
What time should I call Tonga from the US?
Tonga is 18 hours ahead of New York (UTC+13 in Nuku'alofa). To reach someone between 9 AM and 8 PM there, call between 3:00 PM–2:00 AM EST, or 12:00 PM–11:00 PM PST on the West Coast. Tonga doesn't change its clocks, so the difference shifts by an hour when the US switches to or from daylight saving time.
How do people in Tonga call the US?
They dial the exit code 00, then 1 and the 10-digit US number: 00 1 XXX XXX XXXX, or +1 from a mobile.
How much does it cost to call Tonga?
It depends on your plan: many US plans charge per minute for international calls, and calls to Tonga mobiles often cost more than calls to landlines. Internet calling apps are free when both people have the same app.
Tonga Quick Info
Country Code +676
ISO Code TO
Capital Nuku'alofa
Time Zone UTC+13
Exit Code (US) 011
Full Country Profile
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