HI! you can try this keywords for postpaid
Postpaid Keyword Description Access Number Fee
HOOQ<denom> STOP To unsubscribe from the service 8888 FREE
HOOQ<denom> STATUS To check status and remaining MB 8888 FREE
HOOQ RESEND Resend Activation Code 8888 FREE
HOOQ LIST Send List of HOOQ Variants 8888 FREE
HOOQ INFO To inquire about the promo 8888 FREE
Hope this could help!