What is the Short Code for SIM card registration? To all Digicel Subscribers, if you wish to know whether your SIM card is registered under your name please follow the simple short code to dial; Dial *889*5*5# send This short code is issued by NICTA to check the status of your SIM card. Related articles How do I activate my new SIM card? How and where can I have my SIM card registered? How does a SIM card expire on Digicel’s Network? What is a SIM? Why should I register my SIM card?