Members register for the promotion via SMS by typing MRT followed by a space, 16 credit card digits, the "#" symbol, and the payment amount per transaction to 061 384 5000 (3 Baht/message) or online on the website at www.ktc.co.th/MRT for MRT Blue Line and www.ktc.co.th/MRTA for MRT Purple Line.
For more information, please contact KTC PHONE 02 123 5000 or visit www.ktc.co.th, apply for a credit card at any "KTC TOUCH" branches nationwide or click link: https://ktc.today/apply-card
Source: Krungthai Card