Thailand (+66) country code explained.
The +66 prefix connects one of Southeast Asia's busiest tourism and manufacturing hubs — from Bangkok's commercial core to Chiang Mai's digital economy. Here's the verified Thailand country code, ISO references, live local time, and Ringflow's direct Thai routes.
Thailand at a glance.
The geography, area codes and ICT time zone you need before placing your first call into Thailand.
Thailand country information
Every route into Thai lines.
Landline, calling card or business VoIP — the +66 prefix reaches Bangkok and all 77 provinces. Pick what fits your call volume.
Direct calls using landlines & mobile phones
Dial Thailand directly from any landline or mobile by entering your international exit code, then the country code +66, and finally the local number.
International calling cards for Thailand
Pre-paid international calling cards remain a convenient, low-cost way to reach Thailand. Each card gives you a PIN and an access number to place global calls.
VoIP services for contacting Thailand
VoIP apps like Skype, WhatsApp and Viber — and business VoIP from Ringflow — route calls to Thailand over the internet, usually at far lower rates than traditional carriers.
What shapes Thai voice traffic, north to south.
The fundamentals behind calls to and from Thailand — the +66 code, Bangkok, the single ICT zone and the area-code plan.
How to call Thailand.
A Thai number is built from four parts. Here's the anatomy and dialling order, including the leading-zero rule.
Number anatomy
Start with the exit prefix
Press + on a mobile (hold the 0 key), or dial 00 from most countries, or 011 from North America.
Add the Thailand code
Dial +66. This identifies Thailand on the global telephone network.
Enter the area or mobile prefix
Type the first part of the local number. Drop the leading 0 if there is one.
Finish with the subscriber number
The remaining digits route the call to the specific line in Bangkok or elsewhere.
Dialling Thailand (+66) from other countries
The exit prefix changes by origin; the Thailand code stays +66.
| Calling from | Exit prefix | You dial, then the national number |
|---|---|---|
| United States & Canada | 011 | 011 66 |
| United Kingdom & most of Europe | 00 | 00 66 |
| Australia | 0011 | 0011 66 |
| Japan | 010 | 010 66 |
| Any mobile (E.164) | + | +66 |
Browse the full country code index.
Search by country name, ISO code or dial prefix. Click any country for its dialing rules and Ringflow's local number availability.
FAQ
Calling Thailand, answered.
What businesses and travellers ask most before dialling Thailand on +66.
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Dialling Thailand without misdialling
Thailand’s calling code is +66 , which puts it in South East Asia and Oceania. The codes below are the ones a caller actually reaches by mistake, so they are worth checking before a number goes into a CRM or an outbound list.
| Dial this by mistake | and you reach | Why it happens |
|---|---|---|
| +61 | Australia | One digit out on the last position |
| +61 | Christmas Island | One digit out on the last position |
| +61 | Cocos Islands | One digit out on the last position |
| +62 | Indonesia | One digit out on the last position |
Other Asia countries in the same numbering zone: Brunei +673, Indonesia +62, Malaysia +60, Philippines +63, Singapore +65. Thailand's capital is Bangkok.