To check account balance in Thai language use *101# and finish with the dial button, in English use *101*9#.
⏩ How to find out my number in DTAC?
To know your phone number use *102*9# and finish with the dial button.
⏩ How long can I keep my number for if I don't use any of DTAC services?
However, you may also keep your number for up to 180 days without using service. Just dial *113*180*9# from your DTAC. Note: Keep in mind that there will be a fixed fee which will be deducted from your balance. There are also 30, 60 and 90 day extensions: for 30 days extension use *113*30*9#; for 60 days extension use *113*60*9# and for 90 days extension use *113*90*9#.