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Thailand Country Code: +66

The international calling code for Thailand is +66. You need this code to dial any phone number in Thailand from another country. This code is assigned by the International Telecommunication Union (ITU) under the E.164 standard. Below you will find everything you need to successfully place a call to Thailand, including the correct number format, trunk prefix, and worked examples.

Country Code
+66
ISO Code
TH
Trunk Prefix
0
Drop when dialing from abroad
Example Number
+66 81 234 5678

How to Call Thailand from Abroad

Follow these steps to dial a phone number in Thailand from any other country. The process is the same whether you are calling a landline or a mobile number.

  1. 1
    Dial the international access code or +

    On a mobile phone, press and hold 0 to get the + symbol. From a landline, dial your country's exit code (00 from most of Europe, 011 from the US/Canada, 0011 from Australia). With Kinvo, simply type + in the dialer.

  2. 2
    Dial Thailand's country code: 66

    After the + or exit code, enter 66. This routes your call to Thailand's telephone network.

  3. 3
    Drop the trunk prefix (0) from the local number

    When a Thailand number starts with 0 domestically, remove it when dialing internationally. The trunk prefix is only used for calls within Thailand itself.

  4. 4
    Dial the remaining local number

    Enter the area code (if applicable) and the subscriber number. The complete international number should look like this: +66 81 234 5678

Thailand Phone Number Format

Landline Numbers

Landline numbers in Thailand typically include an area code that identifies the city or region, followed by the subscriber number. Domestically, these numbers are prefixed with 0 for long-distance calls. When dialing from abroad, replace the 0 with +66.

Mobile Numbers

Mobile phone numbers in Thailand typically begin with 8 (after the country code). When calling a Thailand mobile from abroad, remember to drop the leading 0 before the mobile prefix.

International Format Example

+66 81 234 5678
+66 = Country codeRemaining digits = Area code + subscriber number

Dialing Example: Calling Thailand

Suppose you want to call a Thailand number that is written domestically with the trunk prefix 0. Here is how to convert it to the international format:

Domestic format:0812345678
Remove prefix (0):812345678
Add country code:+66 81 234 5678

Thailand Calling Rates on Kinvo

Kinvo offers affordable international calling rates to Thailand. Calls are made directly from your browser with HD voice quality. No app download required.

View Thailand calling rates

Call Thailand from Your Browser

With Kinvo, you can call landlines and mobiles in Thailand directly from Chrome, Firefox, Safari, or Edge. No app to install, no subscription. Just sign up, add pay-as-you-go credits (starting from $5), and dial +66 followed by the local number.

Every new account includes a free 1-minute test call. No credit card required.

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Frequently Asked Questions: Thailand Country Code

What is the country code for Thailand?

The international dialing code for Thailand is +66. This code must be dialed before the local phone number when calling Thailand from any other country. The ISO 3166-1 alpha-2 code for Thailand is TH.

How do I call Thailand from the United States?

From the US, dial 011 (the US exit code) followed by 66 (the Thailand country code) and then the local number without the leading 0. Alternatively, dial +66 from a mobile phone. For example: +66 81 234 5678.

Do I need to drop the 0 when calling Thailand internationally?

Yes. When calling Thailand from abroad, you must remove the leading 0 (trunk prefix) from the beginning of the number and replace it with the country code +66. This trunk prefix is only used for domestic long-distance calls within Thailand.

What do Thailand mobile numbers start with?

Mobile phone numbers in Thailand typically start with 8 after the country code +66. When dialing from abroad, the full mobile number would begin with +66 8...

Can I call Thailand from my browser?

Yes. Kinvo allows you to call any phone number in Thailand directly from your web browser using WebRTC technology. No app download or installation is required. Simply create a free account, add credits (from $5), and dial +66 followed by the local number. Calls include HD voice quality and end-to-end encryption.