Guide to get or recover PUK code for Indosat SIM: Entering 3 times wrong PIN code will result in SIM block and request PUK code. If you got PUK code number issue, you can solve using this procedure. There are three official methods provided by Indosat Mobile network to get PUK code for the locked SIM card through toll free SMS or through online website. You can follow any one of the method to know your PUK code to reset your PIN number and unlock your blocked SIM. Do not assume your PUK code and enter it wrongly. It will permanently block your SIM card and you have replace a new SIM card with additional cost of around 200 Rupiah. Procedure to know Indosat Mobile network SIM PUK code : Method 1 : (Through Customer care Helpline) 1. From Matrix & StarOne -Dial 111 (Tanpa biaya) Mentari dan IM3-Dial 100 (layanan berbayar, tariff Rp 400 / panggilan) PSTN 021 5438 8888 dan 021 3000 3000