Well, it depends on where you want to go, as some operators have good cheap service, but less coverage.
DTAC are the best for data, but the coverage sucks, especially in the islands. AIS is quite cheap for voice services and has good coverage, but data is slow and expensive. about 8 years ago
How do I get Muslim food in krabi thailand over 7 years agoAnswered by Amjad Khan via WorldNomads.com