Thailand Country Code (+66): Complete Guide to Calling Thailand
Complete guide to Thailand country code +66. Learn how to dial Thailand from abroad, understand Bangkok, Phuket, Chiang Mai area codes, mobile carriers (AIS, True, DTAC), and save on international calls.
Thailand Country Code (+66): Complete Guide to Calling Thailand
Thailand uses the country code +66 for all international calls. Known as the Land of Smiles, Thailand is a major tourist destination with over 40 million visitors annually and a significant expat community requiring reliable international communication.
How to Call Thailand from the United States
To call Thailand from the USA, follow this format:
- Landline: 011 + 66 + area code (without 0) + local number
- Mobile: 011 + 66 + mobile number (without leading 0)
Example: For Bangkok landline 02-XXX-XXXX, dial 011-66-2-XXX-XXXX
Mobile Example: For Thai mobile 08X-XXX-XXXX, dial 011-66-8X-XXX-XXXX
Major City Area Codes
- Bangkok (Central Thailand): 02
- Chiang Mai (Northern Thailand): 053
- Phuket (Southern Thailand): 076
- Pattaya (Eastern Seaboard): 038
- Koh Samui: 077
- Hua Hin: 032
- Krabi: 075
- Chiang Rai: 053
Thailand Mobile Carriers
Thailand has three major mobile operators serving over 90 million subscriptions:
- AIS (Advanced Info Service): Market leader with 45%+ share, best coverage
- True Move H: Second largest, strong 5G network in urban areas
- DTAC: Third major carrier, good value prepaid options
Mobile prefixes: 08X, 09X indicate mobile numbers.
LINE Dominance in Thailand
Unlike most countries where WhatsApp dominates, Thailand uses LINE as its primary messaging app:
- 50+ million users in Thailand
- 90%+ penetration among smartphone users
- Essential for business and personal communication
- Free voice and video calls to other LINE users
- LINE Pay integration for payments
Tip: Download LINE before visiting Thailand - it's more useful than WhatsApp there!
Time Zone
Thailand uses ICT (Indochina Time, UTC+7) year-round:
- 12 PM EST = 12 AM Thailand (next day)
- 9 AM PST = 12 AM Thailand (next day)
- 12 PM GMT = 7 PM Thailand
Pro Tips for Calling Thailand
- Drop the 0: Thai numbers start with 0 domestically - remove it internationally
- Use LINE: Not WhatsApp! LINE is the local standard with 50M+ users
- Mobile Prefixes: 08X, 09X are mobile numbers
- Tourist SIMs: Available at airports (AIS, True, DTAC) - around $10-15 for tourists
- Tourist Season: November-February is peak - expect higher rates
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