Dial-in services

To check the current service fee for the bill cycle (Baht)
*121*1#
To check the current detail usage for the bill cycle (minute)
*121*11#
To check the remaining of iSWOP package
*121*2#
To check the remaining balance of all your packs
*121*21#
To check the remaining balance of each pack
*121*22#
To check the outstanding balance
*121*3#
To check the credit limit
*121*4#

Press 1 Internet & Wifi add-on packages

Press 2 Voice call add-on packages

Press 3 SMS/MMS add-on packages

Press 4 Main and iSmart packages

Press 6 Check your current package(s)

Press 7 Unsubscribe your add-on package(s)

Automated voice service *121

Interactive USSD*121 Service