The default PIN Number for all Islandcom wireless Prepaid and Postpaid mobile SIM card is unique for each mobile SIM Islandcom wireless is the major telecom network which offers high speed data connection to Turks and Caicos Islands customers through Wireless, Prepaid and postpaid plans. The Island com wireless Mobile SIM card has an inbuilt PIN code and PUK code for security purpose. The SIM card will be blocked if you enter your PIN number wrongly for 3 times. Then the Phone will request to enter PUK code to reset your PIN number. You can find your Islandcom wireless PUK (Personal Unlocking Key) through following methods. Expand the method to know more. > Find PUK through Helpline Call (649) 431-0000 (non-toll free number) from other network or Islandcom wireless mobile phone Enter the option to speak with customer care Request for a PUK code and note it down Enter it in your locked Islandcom WIreless mobile phone and reset