Your complete guide to dialling Tonga from Nukuʻalofa to anywhere in the world — verified +676 country code, Pacific/Tongatapu time zone, Oceania region, ISO references, live local time and weather, plus a step-by-step walkthrough.
Calling
Tonga
+676
Nukuʻalofa
Weather
HD voice signal
Alpha-2
TO
Alpha-3
TON
Tonga
TO
2 Digit ISO
+676
Country Calling Code
TON
3 Digit ISO
Capital
Nukuʻalofa
Time zone
Pacific/Tongatapu
Weather · Nukuʻalofa
Humidity
Wind
Tonga
+676
Capital
Nukuʻalofa
Region
Oceania
Time zone
Pacific/Tongatapu
Coordinates
-21.18°, -175.20°
Numbering zone
Zone 6
Code length
3 digits
Several routes connect you to Tonga (+676) landlines, calling cards and modern VoIP services. Pick the one that fits your call volume and budget.
Dial your exit code (00 from most countries, or 011 from North America), enter +676, then the local Tonga number — dropping any leading 0. Tonga's 3-digit country code puts it in ITU Zone 6 of the global E.164 numbering plan.
Tonga is in ITU Zone 6 (Pacific/Oceania). Card rates vary widely; verify the per-minute cost to both Nukuʻalofa landlines and mobiles. Factor in the Pacific/Tongatapu time zone when planning the call.
Apps like Skype, WhatsApp and Viber, and business VoIP from TKOS are the cheapest route to Tonga (+676) — calls to Tonga (Pacific/Tongatapu) travel across trans-Pacific or Indian Ocean fibre — a solid broadband or 4G connection keeps latency below 180 ms.
The cost of calling Tonga varies depending on the method and service provider you choose. Compare landline, VoIP and calling-card routes side by side.
VoIP · overview
Cheapest route to Tonga — internet-based.
Choose TKOS for business-grade calls to Tonga, or consumer apps like Skype, WhatsApp or Viber for casual chats.
Sign up with an email or phone number, then verify your identity if required.
App-to-app calls are usually free; calls to mobile/landline numbers need a small balance or a subscription plan.
Enter +676 followed by the Tonga subscriber number (drop any leading 0).
VoIP works on phones, laptops, tablets and desk phones wherever you have internet.
If audio drops, try switching from cellular to Wi-Fi or move closer to your router.
Capital
Nukuʻalofa
Population
106.9K
Area
747 km²
GDP (USD)
$530.00M
Currency
Tongan Paʻanga (TOP T$)
Languages
Tongan, English
Emergency number
911 / 922
Internet TLD
.to
Drive side
Left-hand traffic
Latitude / Longitude
21.18°S / 175.20°W
Time zone
Pacific/Tongatapu
ISO 3166 codes
TO · TON
A complete international number is built from four parts. Here's the anatomy and the dialling order.
Number anatomy
Format follows ITU-T Recommendation E.164 the international public telecommunication numbering plan.
Press + on a mobile (hold the 0 key), or dial 00 from most countries / 011 from North America.
Dial +676. This identifies Tonga on the global telephone network.
Type the first part of the local number. Drop the leading 0 if there is one.
The remaining digits route the call to the specific line in Nukuʻalofa or elsewhere.
Need an inbound Tonga number?
TKOS provisions +676 DIDs and termination through direct carrier interconnects.
Whether you're reaching Tonga for business or family, three habits keep every conversation crystal clear and a clean route from TKOS handles the rest.
Pacific routes to Tonga involve longer cable runs — a wired headset with hardware echo cancellation handles the 180–250ms round-trip better than earbuds.
Trans-Pacific and Indian Ocean routes to Tonga run 120–180ms round-trip — wired ethernet keeps packet loss below 0.1% where Wi-Fi adds jitter spikes on these longer paths.
Schedule Tonga calls during Nukuʻalofa business hours — 09:00–17:00 Pacific/Tongatapu — your contact will be at their desk in a quiet space rather than taking the call on the move.
Built on top of every Tonga (+676) route quality, price, and people you can reach.
TKOS routes every Tonga call through direct carrier interconnects in Oceania. HD voice with minimal jitter, reaching Nukuʻalofa reliably.
TKOS buys Tonga termination in bulk across Oceania carriers — the savings go straight into your per-minute rate. Transparent per-minute rates for Tonga (+676), no hidden fees.
Your account manager covers Pacific/Tongatapu hours for Tonga. Phone, email, and live chat — always online for Nukuʻalofa routes, day or night.
Provider report
TKOS
Overall
A+
Score
9.6/ 10
Coverage
A+Direct routes to Tonga
Reliability
A+99.99% uptime SLA
Support
A24/7 live agents
Pricing
ATransparent per-minute
Audit scope
Tonga +676
When selecting an international calling service for Tonga, four factors separate the durable providers from the noise. Look for a proven track record on each.
Tonga routes depend on trans-ocean cables — verify diverse landing paths, not a single cable point.
Require redundant interconnects and a clear automatic-failover SLA for Tonga routes.
Confirm coverage for Pacific/Tongatapu hours — a Nukuʻalofa route issue at 09:00 needs a human response, not a next-day ticket.
Zone 6 rates vary per city — request a full rate deck covering Nukuʻalofa and your key Tonga regions.
Special-rate prefixes and the major city area codes inside Tonga (+676).
| City | Dial codes |
|---|---|
| EUA | +676-50 |
| KOLONGA | +676-33, +676-34 |
| MASILAMEA | +676-41, +676-42 |
| MATANGIAKE | +676-43, +676-44 |
| MUA | +676-31, +676-32 |
| NAKOLO | +676-35, +676-36 |
| NEIAFU | +676-70, +676-71, +676-74, +676-79 |
| NIUATOPUTAPU | +676-85 |
| PEA | +676-29, +676-30 |
| VAINI | +676-37, +676-38 |
Everything a business or traveller needs to know before dialling Tonga (+676). Can't find an answer? Our team is one click away.
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