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 does a SIM card becomes expire on Digicel’s Network? How and where can I have my SIM card registered? What is a SIM? What are the Post Paid Roaming Requirements?