Credit Limit Balance is the balance limit which your number can use our services. This limit helps prevent the excess of your actual usage service fees.

Credit Limit Balance for the International Roaming Service

* In some cases, the actual service fee may exceed the credit limit because of usage during the billing cycle before the credit limit is calculated.

Credit Limit Balance for the iSWOP domestic service

Credit Limit Balance for the iSWOP international roaming service

** In case of service suspension, customers can still use voice and data services up to the package’s remaining balance.

You can check your Credit Limit Balance by dialing *121*4# (free of charge) or visit the AIS eService at
To adjust your Credit Limit Balance, please contact AIS CALL CENTER 1175 or AIS Shops nationwide.