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.
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Code
+66
ISO
TH
Region
Asia
Time zone
Asia/Bangkok
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.
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.
+XX XX XXX XXXX
Example: +66 81 234 5678
+66 XX XXXX XXX
Include the area code if applicable. Omit any leading 0.
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.
Enter a phone number and start instantly
Example numbers for Thailand:
Dialing codes immediately above and below +66 in the ITU plan — handy if you mistyped a digit or are dialing across a region.
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.
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! Virtual numbers in Thailand start at $1.60/month. Use it as your caller ID so people see a local number, or receive incoming calls directly in your browser.
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.
Dial +66 with TwinPhone — no SIM, no app, right from your browser.
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