Thailand Mobile Phone Tourist SIM. 7 Days Unlimited 3G Internet. Prepaid. Credit preloaded. Works on arrival. 33 Minutes call time to US and Canada using 004 + 1 + area code + phone number 7 days of unlimited 3G, 100 Baht of calling credit Give your Thai phone number to friends and family before you go Dual cut SIM works as Standard or Micro SIM Free incoming calls and SMS, after 7 days, add credit for continued 3G usage