Can the SIM card be used outside of Japan? May 16, 2024 02:56 Updated No, the service is only available inside of Japan. Related articles What SIM sizes are available? / Is nano SIM card available? How do I know if my phone is unlocked or SIM-free? What are the actual speeds of the Travel SIM? I can not make / receive calls If I missed my package at the airport, can you forward the package to my hotel / accommodations?