Where can I buy a local USIM in Thailand?

pu1. If you look at the airport in Thailand, there are many stores that sell USIM

2017-12-05

OK

pu2. There are cases where overseas USIMs are sold in advance in Korea
http://www.usimworld.co.kr/shop/main/index.php

2017-12-05

OK

pu3. There are three telecommunication companies in Thailand. If you get off at the airport and look inside, there's a store. Especially one place is crowded, but it is the best place in Thailand

2017-12-05

OK