+66Thailand
The +66 prefix belongs to Thailand. If you got a call or text from a number starting with +66 (calling code 66), it came from Thailand. You can also call Thailand from your web browser with TwinPhone — no app and no SIM.
Call from your browser — from $0.17/min, no app, no SIM.
Code
+66
ISO
TH
Region
Asia
Time zone
Asia/Bangkok
Which country is +66?
The +66 code identifies Thailand on the international telephone network. Country code 66 is assigned to Thailand under the ITU-T E.164 numbering plan, so any phone number that begins with +66 — written +66 or 0066 — is a Thailand number. You can call any Thailand number directly from your browser with TwinPhone — no app, no SIM — paying only for the minutes you talk.
Anatomy of a Thailand phone number
Every Thailand number in international format follows this shape — colour-coded so you can see where the country code ends and the local number begins.
When dialing Thailand from abroad, the only fixed part is +66 — that's the country code. The rest depends on whether you're calling a mobile or landline number inside Thailand.
Mobile example
+XX XX XXX XXXX
Example: +66 81 234 5678
Landline example
+66 XX XXXX XXX
Include the area code if applicable. Omit any leading 0.
How to call Thailand (+66) step by step
Enter the country code +66 when dialing Thailand from abroad.
Add the local phone number (in most countries, drop the leading zero).
Use TwinPhone to connect the call at low per-minute rates.
Start calling now
Enter a phone number and start instantly
Example numbers for Thailand:
Thailand at a glance
Country codes near +66
Dialing codes immediately above and below +66 in the ITU plan — handy if you mistyped a digit or are dialing across a region.
Frequently asked questions
Everything you need to know about TwinPhone.
The +66 code belongs to Thailand. Any phone number that starts with +66 — or with 0066 — is a Thailand number. To reach one, TwinPhone connects Thailand numbers straight from your browser — no app or SIM needed.
The 0066 prefix is Thailand. The 00 is the international exit code dialed from Europe and many other regions; it is followed by +66, the Thailand country code.
Dialing code 66 (dialed as +66 or 0066) belongs to Thailand. Any phone number that starts with +66 is a Thailand number.
Country code 66 is the ITU-T E.164 calling code for Thailand. To call Thailand from abroad, dial +66 followed by the national number.
The country code (international dialing code) for Thailand is +66. To call Thailand from abroad, dial +66 followed by the national number (in most countries, without its leading zero).
+66 is Thailand's international country calling code under the ITU E.164 plan — often searched as the "66 area code". Any phone number starting with +66 is a Thailand number.
From TwinPhone, just type +66 and the number — we connect it. From a landline, dial your exit code, then +66, then the number (in most countries, without the leading 0).
Thailand's current local time is shown live on this page. Check it before calling so you reach people during waking hours.
Yes — we currently rent virtual numbers in the US and Canada, from $1.60/month. Use one as your caller ID so callers see a North American number, or receive incoming calls directly in your browser. Numbers for more countries are on the way.
Calling Thailand with TwinPhone starts from $0.02/min, billed by the minute (rounded up to the next full minute). It is pay-as-you-go from your browser — no connection fee and no monthly fee. The exact per-minute price for +66 landlines and mobiles is shown live on this page.
Yes. TwinPhone works entirely in your web browser — Chrome, Edge, Safari, or Brave on desktop or mobile. There is no app to install and no SIM card: open the site, add credit, dial +66 and the Thailand number, and the call connects.
A +66 number is not automatically a scam — +66 is simply the country code 66 assigned to Thailand under ITU-T E.164, so the call or text came from Thailand. If you do not know anyone there, treat an unexpected +66 call with the same caution as any unknown number: do not call back blindly and do not share personal details. Costs to call Thailand are shown above.
Cheap calls to Thailand
Per-minute rates to Thailand straight from your browser — no SIM, no app.
Free calls to Thailand
The honest free and cheap ways to call Thailand — apps, calling cards and pay-as-you-go compared.
Where is this number from?
Paste an international number (with +) and we'll tell you which country it's from, its dialing code, and how to call.
All phone dialing codes
The complete list of country codes and international dialing prefixes.
Need to call Thailand (+66)?
Dial +66 with TwinPhone — no SIM, no app, right from your browser.
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