旅行準備ガイド · 通信
電源・通信・SIM
※ 通信環境は地域や時期により異なる場合があります。
⚡240V / 50Hz
🔌Type I(斜め平型ピン＋アース（豪州式）)
🔄日本・米国・欧州・英国からはアダプタ必要
💡外島では電源不安定。モバイルバッテリー推奨。
通信キャリア: Digicel, TCC (Tonga Communications)
📶Very limited — International eSIM providers only
🏢Airalo (limited coverage)
💰$12-30 for 1-3GB / 7-15 days
💡Very limited eSIM coverage; Digicel physical SIM more reliable.
📡limited
🏨Available in most hotels in Nukualofa; slow speeds
☕Very limited outside hotels
💡Outer islands have very limited connectivity; plan for offline time.
🔒none
🚫None — all services freely accessible
🛡️VPN不要。
💡Tonga has open internet; connectivity relies on undersea cable.
🚗Local taxis only (no apps)
🗺️Maps.me for offline, Google Maps
💬Facebook Messenger, WhatsApp
💡Arrange taxis through your accommodation; no ride-hailing services.
📞+676 (Tonga)
🆘911 (Police), 999 (Fire), 933 (Ambulance)
📲Dial 00 + country code + number for international calls
💡通信費は高額。