2. How to get the newest promotion information? June 05, 2020 11:21 Updated To stay updated our newest promotion information, kindly follow our Facebook Fanpage: JP Smart Sim JP SMART SIM HOME PAGE Related articles 3. I want to be your company’s partner/agency. How can I contact? 1. How to contact the Customer Support Center? 4. What is MNP? And what is the procedure of changing networks from other carriers to JP SMART CALL? 14. I won't be in Japan on the date of the Monthly Payment. Can I make payments before the 25th of the month? 3. Can I get a sim card in my country before arriving in Japan?