Every number type in Thailand with real format examples: how numbers are written domestically, how to dial them from abroad, and the E.164 form your systems should store.
Right now in Thailand
--:--
Country code
+66
Trunk prefix
0
Intl. call prefix
00[1-9]
Mobile digits
9
Number formats by type
Examples from the official numbering plan metadata. The E.164 column is the normalized form for databases and APIs.
Type
Domestic (national)
From abroad
E.164
Digits
Landline
02 123 4567
+66 2 123 4567
+6621234567
8
Mobile
081 234 5678
+66 81 234 5678
+66812345678
9
Toll-free
0 1800 123 456
+66 1800 123 456
+661800123456
10,13
Premium rate
0 1900 123 456
+66 1900 123 456
+661900123456
10
VoIP
060 123 4567
+66 60 123 4567
+66601234567
9
How to call Thailand
From abroad: dial +66 (or your country's exit code, e.g. 00 from Europe, 011 from North America), then the national number without the leading 0. Example: +66 81 234 5678
Within Thailand: dial the number as written domestically, including the trunk prefix 0. Example: 081 234 5678
Calling abroad from Thailand: the international prefix is 00[1-9], or simply use + on mobiles.
Storing numbers in software: always store E.164 (+66812345678): unambiguous, sortable, and what SMS and telephony APIs expect.
Exact dial sequence from your country
Pick where you are calling from and get the digit-for-digit sequence for a Thailand number, with your country's exit code instead of the generic +.
Dial exactly
Frequently Asked Questions
What is the phone number format in Thailand?
Numbers in Thailand use country code +66. A mobile number looks like 081 234 5678 domestically, or +66 81 234 5678 in international format (E.164: +66812345678). Mobile numbers have 9 national digits.
How do I call Thailand from abroad?
Dial your country's international prefix (or +), then 66, then the national number without the leading 0. Example: +66 81 234 5678.
What is the country calling code for Thailand?
The country calling code for Thailand is +66. To call abroad from Thailand, the international prefix is 00[1-9] (or use +).
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