What is the best prepaid cell phone service in Thailand?

True is the Best prepaid cell phone service in Thailand.  A sim card only cost 49 baht and it comes with a few minutes, however if you plan to make outgoing text messages and calls, its best to buy additional time for your phone.

Unlike america however, your incoming calls and text messages are free so if you just want a device so people can reach you, then no additional time is needed.

If you have Kasikorn Bank, you can easily log into your account online and top up minutes for your cell phone anytime.