Calling Thailand from Japan: 010 66 [local number].
Quick answer
To call Thailand from Japan, dial 010, then 66, then the local number without leading zeros. Example: 010 66 81 234 5678.
Plan before you dial with the international call cost calculator and the best time to call planner. Looking for a calling card alternative instead of the dialing instructions? Compare calling cards to Thailand.
Dialing format
010 66 81 234 5678
Exit code • Country code • Local number
Whether you’re calling family, friends, or business contacts, knowing how to call Thailand correctly helps your conversation start smoothly. This guide covers the essential dialing steps, including country and area codes that are easy to miss. By the end, you’ll be ready to connect confidently with anyone in Thailand - whether you’re calling Bangkok or anywhere else.
Follow these simple steps to make a call to Thailand from Japan
Start by dialing 010 (or use + on mobile). This is the international dialing prefix for Japan.
Dial the country code +66 for Thailand.
Dial the local phone number in Thailand (typically 8-10 digits, without any leading zeros).
Full format: 010 66 [local number] - For example: 010 66 612 345 678
International Dialing Format
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Calling Code
+66
Capital of Thailand
Bangkok
Region
Asia (South-Eastern Asia)
Currency of Thailand
Thai baht (฿)
Thailand Time Zones
UTC+07:00
Current time
Your time
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Thailand
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Thailand is --
Thailand, located in South-Eastern Asia, is a nation with a rich identity. Its capital city, Bangkok, serves as the administrative center for a population of approximately 66M.
The official currency is the Thai baht (฿). When calling Thailand, the country code is +66. The country observes the UTC+07:00 time zone(s), and the primary language(s) spoken include Thai.
Population
66M
Population Rank
#21 of 230
Language Footprint
Thai
Time Zone Footprint
UTC+07:00
City/Area Code Coverage
22 locations listed
Dial Code Status
Exclusive code in dataset
Thailand currently has a 9-digit local number pattern in this guide, with country code +66.
Exit Code in Japan
010 (dial 010 (or + from mobile))
Japan Country Code
+81
Route Dialing Pattern
010 66 81 234 5678
Capital Time Difference
2h destination behind
Best Calling Window (Origin Time)
11:00-20:00
Currency Pair
Japanese yen (¥) -> Thai baht (฿)
Primary languages: Japan (Japanese) and Thailand (Thai).
Shared language overlap: No direct overlap in primary language list. Primary timezones: Japan (UTC+09:00) and Thailand (UTC+07:00).
Use this route profile to plan a real call from Japan to Thailand, including the exit code, destination country code, time difference, and local context.
From
Japan
To
Thailand
For dialing this route, callers in Japan usually start with 010 or the plus sign, then dial +66 before the local Thailand number.
Japan's primary timezone in this dataset is UTC+09:00, while Thailand's is UTC+07:00. A practical origin-time calling window is 11:00-20:00.
Japan callers are represented by JP/JPN, with Tokyo as a capital reference point, Eastern Asia, 123M people, Japanese yen (¥), and primary language context of Japanese.
Origin exit prefix: 010 or + from mobile. Origin country code: +81. Origin time zones: UTC+09:00.
Thailand is represented here by TH/THA, Bangkok, South-Eastern Asia, about 66M people, Thai baht (฿), and primary language context of Thai.
Destination calling code: +66. Destination time zones: UTC+07:00. Rate check: check live price before dialing.
This route combines Japan's outbound dialing rules with Thailand's destination numbering and local schedule. The primary timezone relationship is 2h destination behind, and the recommended origin-time window is 11:00-20:00.
Dialing sequence: 010 66 local number. Business-hour window: 11:00-20:00. Time relationship: 2h destination behind.
Destination market: Thailand is in South-Eastern Asia, with Bangkok as a main administrative center. Calls from Japan may reach family, companies, banks, hotels, clinics, or public offices across a market of about 66M. Primary language context: Thai. Local billing and everyday prices use Thai baht (฿).
Route context: Japan is listed in Eastern Asia with a population of about 123M; Thailand is listed in South-Eastern Asia with about 66M. The main listed languages differ: Japan (Japanese) and Thailand (Thai). Currency context also changes across the route: Japanese yen (¥) in Japan and Thai baht (฿) in Thailand.
| City / Region | Area Code | Full Dialing Pattern |
|---|---|---|
| Bangkok | 66-2 | +66-2 [local number] |
| Burirum | 66-44 | +66-44 [local number] |
| Chanthaburi | 66-39 | +66-39 [local number] |
| Chiang Mai | 66-53 | +66-53 [local number] |
| Chiang Rai | 66-54 | +66-54 [local number] |
| Chon Buri | 66-38 | +66-38 [local number] |
| Kanchanaburi | 66-34 | +66-34 [local number] |
| Lampang | 66-54 | +66-54 [local number] |
| Nakhon Ratchasima | 66-44 | +66-44 [local number] |
| Nakhon Sawan | 66-56 | +66-56 [local number] |
| Namphaengphet | 66-55 | +66-55 [local number] |
| Nong Khai | 66-42 | +66-42 [local number] |
| Pattani | 66-73 | +66-73 [local number] |
| Pattaya | 66-38 | +66-38 [local number] |
| Phitsanulok | 66-55 | +66-55 [local number] |
| Phuket | 66-76 | +66-76 [local number] |
| Ratchaburi | 66-32 | +66-32 [local number] |
| Saraburi | 66-36 | +66-36 [local number] |
| Songkhla | 66-74 | +66-74 [local number] |
| Surat Thani | 66-77 | +66-77 [local number] |
| Tak | 66-55 | +66-55 [local number] |
| Ubon Ratchathani | 66-45 | +66-45 [local number] |
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