Your complete guide to dialling Thailand from Bangkok to anywhere in the world — verified +66 country code, Asia/Bangkok time zone, Asia region, ISO references, live local time and weather, plus a step-by-step walkthrough.
Calling
Thailand
+66
Bangkok
Weather
HD voice signal
Alpha-2
TH
Alpha-3
THA
Thailand
TH
2 Digit ISO
+66
Country Calling Code
THA
3 Digit ISO
Capital
Bangkok
Time zone
Asia/Bangkok
Weather · Bangkok
Humidity
Wind
Thailand
+66
Capital
Bangkok
Region
Asia
Time zone
Asia/Bangkok
Coordinates
15.87°, 100.99°
Numbering zone
Zone 6
Code length
2 digits
Several routes connect you to Thailand (+66) 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 +66, then the local Thailand number — dropping any leading 0. Thailand's 2-digit country code puts it in ITU Zone 6 of the global E.164 numbering plan.
Thailand is in ITU Zone 6 (Pacific/Oceania). Card rates vary widely; verify the per-minute cost to both Bangkok landlines and mobiles. Factor in the Asia/Bangkok time zone when planning the call.
Apps like Skype, WhatsApp and Viber, and business VoIP from TKOS are the cheapest route to Thailand (+66) — calls to Thailand (Asia/Bangkok) travel across trans-Pacific or Indian Ocean fibre — a solid broadband or 4G connection keeps latency below 180 ms.
The cost of calling Thailand 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 Thailand — internet-based.
Choose TKOS for business-grade calls to Thailand, 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 +66 followed by the Thailand 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
Bangkok
Population
71.70M
Area
513,120 km²
GDP (USD)
$514.00B
Currency
Thai Baht (THB ฿)
Languages
Thai
Emergency number
191 / 1669
Internet TLD
.th
Drive side
Left-hand traffic
Latitude / Longitude
15.87°N / 100.99°E
Time zone
Asia/Bangkok
ISO 3166 codes
TH · THA
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 +66. This identifies Thailand 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 Bangkok or elsewhere.
Need an inbound Thailand number?
TKOS provisions +66 DIDs and termination through direct carrier interconnects.
Whether you're reaching Thailand for business or family, three habits keep every conversation crystal clear and a clean route from TKOS handles the rest.
Pacific routes to Thailand 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 Thailand run 120–180ms round-trip — wired ethernet keeps packet loss below 0.1% where Wi-Fi adds jitter spikes on these longer paths.
Schedule Thailand calls during Bangkok business hours — 09:00–17:00 Asia/Bangkok — your contact will be at their desk in a quiet space rather than taking the call on the move.
Built on top of every Thailand (+66) route quality, price, and people you can reach.
TKOS routes every Thailand call through direct carrier interconnects in Asia. HD voice with minimal jitter, reaching Bangkok reliably.
TKOS buys Thailand termination in bulk across Asia carriers — the savings go straight into your per-minute rate. Transparent per-minute rates for Thailand (+66), no hidden fees.
Your account manager covers Asia/Bangkok hours for Thailand. Phone, email, and live chat — always online for Bangkok routes, day or night.
Provider report
TKOS
Overall
A+
Score
9.6/ 10
Coverage
A+Direct routes to Thailand
Reliability
A+99.99% uptime SLA
Support
A24/7 live agents
Pricing
ATransparent per-minute
Audit scope
Thailand +66
When selecting an international calling service for Thailand, four factors separate the durable providers from the noise. Look for a proven track record on each.
Thailand 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 Thailand routes.
Confirm coverage for Asia/Bangkok hours — a Bangkok 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 Bangkok and your key Thailand regions.
Special-rate prefixes and the major city area codes inside Thailand (+66).
| National | Dial codes |
|---|---|
| THAILAND TOLL FREE | +66-180, +66-180, +66-999, +66-180, +66-000 |
| VIRTUALNUMBERTYPE_DESCRIPTION_THTF-LOWCPM | +66-000 |
| City | Dial codes |
|---|---|
| BANGKOK | +66-2 |
| BURIRUM | +66-44 |
| CHANTHABURI | +66-39 |
| CHIANG MAI | +66-53 |
| CHIANG RAI | +66-54 |
| CHON BURI | +66-38 |
| KANCHANABURI | +66-34 |
| LAMPANG | +66-54 |
| NAKHON RATCHASIMA | +66-44 |
| NAKHON SAWAN | +66-56 |
| NAMPHAENGPHET | +66-55 |
| NONG KHAI | +66-42 |
| PATTANI | +66-73 |
| PATTAYA | +66-38 |
| PHITSANULOK | +66-55 |
| PHUKET | +66-76 |
| RATCHABURI | +66-32 |
| SARABURI | +66-36 |
| SONGKHLA | +66-74 |
| SURAT THANI | +66-77 |
| TAK | +66-55 |
| UBON RATCHATHANI | +66-45 |
Everything a business or traveller needs to know before dialling Thailand (+66). Can't find an answer? Our team is one click away.
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