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
⚡120V / 60Hz
🔌Type A / B(Flat 2-pin (same as Japan))
🔄Not needed from Japan
💡Japanese Type A plugs work directly without an adapter.
Buying a SIM Card
Where to buy, costs, and activation process
📱T-Mobile, AT&T, Verizon, Mint Mobile
🏪Airport stores, Best Buy, Walmart, Target, carrier shops
📋Passport or ID
💰Prepaid SIM from $25-50 for 30 days
💡T-Mobile prepaid tourist plan available at airports; Mint Mobile offers best value online.
eSIM & Mobile Wi-Fi
eSIM availability and portable Wi-Fi rental
📶Widely available
🏢Airalo, Holafly, Ubigi, T-Mobile eSIM, AT&T eSIM, Mint Mobile eSIM
💰$5-30 for 1-10GB / 7-30 days
💡T-Mobile prepaid eSIM activates instantly; Mint Mobile best value for longer stays.
Wi-Fi Availability
Public Wi-Fi coverage and security
📡Excellent — ubiquitous free WiFi nationwide
🏨Free and fast in most hotels; some luxury hotels charge extra
☕Free in cafes, libraries, airports, malls, and fast food chains
💡Starbucks, McDonald's, and public libraries are reliable free WiFi spots.
Internet Restrictions & VPN
Blocked services and VPN recommendations
🔒None — unrestricted internet
🚫None — all services freely accessible
🛡️Not needed
💡No content restrictions; public Wi-Fi widely available.
Useful Local Apps
Must-have apps for transport, translation, and maps
🚗Uber, Lyft, local transit apps
🗺️Google Maps, Apple Maps, Waze
💬iMessage, WhatsApp, Facebook Messenger
💡Uber/Lyft work in all major cities; Apple Maps best for walking directions.
International Calls
How to make international calls and alternatives
📞+1 (United States)
🆘911 (Police, Fire, Ambulance)
📲Dial 011 + country code + number for international calls
💡Dial 1 + area code + number for domestic long-distance calls.