Can the SIM card be used outside of Japan? June 29, 2022 09:11 Updated No, the service is only available inside of Japan. Related articles Can I use the same SIM card in different devices? What SIM sizes are available? / Is nano SIM card available? Do I need to install APN profile in my iPhone? Can it be used outside of Japan? How To Suspend Your Voice+Data Sim card Plan (For Credit Card Users Only)