---
title: "Thailand country code +66"
url: "https://lookvalid.com/country-code/thailand.md"
canonical_url: "https://lookvalid.com/country-code/thailand"
last_updated: "2026-10-19"
type: "reference"
summary: "Thailand uses country code +66. A number looks like +66 81 234 5678. How to dial it from the US and other countries, number lengths and a live validator."
related: ["https://lookvalid.com/country-code.md"]
---

# Thailand country code +66

Thailand uses country code +66. A number looks like +66 81 234 5678. How to dial it from the US and other countries, number lengths and a live validator.

Thailand uses country code +66. A number looks like +66 81 234 5678.

## How to dial

| From | Dial |

| --- | --- |

| Any mobile phone | +66 81 234 5678 |

| United States | 011 66 81 234 5678 |

| Canada | 011 66 81 234 5678 |

| United Kingdom | 00 66 81 234 5678 |

| Australia | 0011 66 81 234 5678 |

| Germany | 00 66 81 234 5678 |

| France | 00 66 81 234 5678 |

| India | 00 66 81 234 5678 |

| Japan | 010 66 81 234 5678 |

| Mexico | 00 66 81 234 5678 |

| South Africa | 00 66 81 234 5678 |

## Number structure

| Line | Digits |

| --- | --- |

| Mobile | 9 digits |

| Landline | 8 digits |

| Toll free | 10 or 13 digits |

| Premium rate | 10 digits |

Inside Thailand the national number is dialled with a leading 0, which is dropped after +66.

## Area codes and places

Names are where the range was first assigned; numbers move between places and carriers. Source: libphonenumber geocoding data, 2026-09-23.

| Starts with | Place |
| --- | --- |
| +66 10 | Bangkok/Nonthaburi/Pathum Thani/Samut Prakan |
| +66 16 | Bangkok/Nonthaburi/Pathum Thani/Samut Prakan |
| +66 18 | Bangkok/Nonthaburi/Pathum Thani/Samut Prakan |
| +66 19 | Bangkok/Nonthaburi/Pathum Thani/Samut Prakan |
| +66 2 | Bangkok/Nonthaburi/Pathum Thani/Samut Prakan |
| +66 32 | Phetchaburi/Prachuap Khiri Khan/Ratchaburi |
| +66 33 | Chachoengsao/Chon Buri/Rayong |
| +66 34 | Kanchanaburi/Nakhon Pathom/Samut Sakhon/Samut Songkhram |
| +66 35 | Ang Thong/Phra Nakhon Si Ayutthaya/Suphan Buri |
| +66 36 | Lop Buri/Saraburi/Sing Buri |
| +66 37 | Nakhon Nayok/Prachin Buri/Sa Kaeo |
| +66 38 | Chachoengsao/Chon Buri/Rayong |
| +66 39 | Chanthaburi/Trat |
| +66 42 | Loei/Mukdahan/Nakhon Phanom/Nong Khai/Sakon Nakhon/Udon Thani |
| +66 43 | Kalasin/Khon Kaen/Maha Sarakham/Roi Et |
| +66 44 | Buri Ram/Chaiyaphum/Nakhon Ratchasima/Surin |
| +66 45 | Amnat Charoen/Si Sa Ket/Ubon Ratchathani/Yasothon |
| +66 52 | Chiang Mai/Chiang Rai/Lamphun/Mae Hong Son |
| +66 53 | Chiang Mai/Chiang Rai/Lamphun/Mae Hong Son |
| +66 54 | Lampang/Nan/Phayao/Phrae |
| +66 55 | Kamphaeng Phet/Phitsanulok/Sukhothai/Tak/Uttaradit |
| +66 56 | Chai Nat/Nakhon Sawan/Phetchabun/Phichit/Uthai Thani |
| +66 73 | Narathiwat/Pattani/Yala |
| +66 74 | Phatthalung/Satun/Songkhla |
| +66 75 | Krabi/Nakhon Si Thammarat/Trang |

Showing 25 of 27 rows. The page lists 27.

## First issuers

The first issuer of the range; numbers port between carriers, so the current carrier can differ. Source: libphonenumber carrier data, 2026-10-07.

| Starts with | First issued to |
| --- | --- |
| +66 6102 | AIS |
| +66 6103 | AIS |
| +66 6104 | AIS |
| +66 6105 | AIS |
| +66 6106 | AIS |
| +66 6107 | AIS |
| +66 6108 | AIS |
| +66 6109 | AIS |
| +66 611 | AIS |
| +66 612 | AIS |
| +66 613 | AIS |
| +66 614 | AIS |
| +66 615 | AIS |
| +66 6160 | AIS |
| +66 6161 | AIS |
| +66 6162 | AIS |
| +66 6163 | AIS |
| +66 6164 | AIS |
| +66 6165 | AIS |
| +66 6166 | AIS |
| +66 6167 | AIS |
| +66 6168 | DTAC |
| +66 617 | DTAC |
| +66 618 | DTAC |
| +66 619 | DTAC |

Showing 25 of 583 rows. The page lists 400.

## Questions

**What is the country code for Thailand?**

The country code for Thailand is +66. Written in full, a number looks like +66 81 234 5678.

**How do I call Thailand from the United States?**

Dial 011, then 66 81 234 5678. On a mobile phone you can dial +66 81 234 5678 instead.

**Do I dial the 0 at the start of a Thailand number from abroad?**

No. The 0 is the trunk prefix used for calls inside Thailand (081 234 5678). From abroad it is dropped after +66 (+66 81 234 5678).

**How many digits is a Thailand phone number?**

Mobile numbers have 9 digits after the country code. Landline numbers have 8 digits.

Source: libphonenumber-js 1.13.15, released 2026-10-08, read 2026-10-19; tables from libphonenumber resource files, read 2026-10-19. All country codes are on the [country code index](https://lookvalid.com/country-code.md).

## Related

- [Country calling codes and how to dial them](https://lookvalid.com/country-code.md)