Step 4
Power & Connectivity (SIM)
This information is as of 2026/08/11.
Connectivity may vary by region and season.
Voltage & Plug Types
Electrical standards and outlet shapes
⚡220V / 50Hz
🔌Type A / B / C / F(Hybrid outlets (flat & round))
🔄Usually not needed from Japan/US/Europe
💡Most outlets accept both flat and round plugs without adapter.
Buying a SIM Card
Where to buy, costs, and activation process
📱AIS, DTAC, TrueMove H
🏪Airport arrivals counters, 7-Eleven, carrier shops
📋Passport required
💰Tourist SIM from $5-20 for 7-30 days
💡AIS has widest coverage; tourist SIM counters at airports offer instant setup.
eSIM & Mobile Wi-Fi
eSIM availability and portable Wi-Fi rental
📶Widely available
🏢Airalo, Holafly, Ubigi, AIS eSIM, DTAC eSIM, TrueMove eSIM
💰$5-22 for 1-10GB / 7-30 days
💡AIS offers eSIM2Fly regional plans; activate before departure for arrival connectivity.
Wi-Fi Availability
Public Wi-Fi coverage and security
📡Good — widely available in tourist areas
🏨Free and reliable in most hotels and hostels
☕Free in cafes, malls, 7-Eleven, and coworking spaces
💡Thailand is popular with digital nomads; excellent WiFi in Chiang Mai cafes.
Internet Restrictions & VPN
Blocked services and VPN recommendations
🔒Low — some content filtering
🚫Some gambling and lese-majeste content blocked; all social media accessible
🛡️Not needed — tourist content unaffected
💡All major social media and communication apps work normally in Thailand.
Useful Local Apps
Must-have apps for transport, translation, and maps
🚗Grab, Bolt, LINE MAN (delivery)
🗺️Google Maps, Grab in-app navigation
💬LINE (essential), WhatsApp
💡LINE is used for everything in Thailand - communication, payments, food ordering.
International Calls
How to make international calls and alternatives
📞+66 (Thailand)
🆘191 (Police), 1669 (Ambulance), 199 (Fire)
📲Dial 001 + country code + number for international calls
💡1155 is the Tourist Police hotline with English-speaking operators.