To obtain your Glo PUK code and unblock your SIM, dial the following Glo Customer Care lines: Dial 300 or any of 121 or 200 if you are calling directly from a Glo number. Dial 08050020121 or 08050020200 if you are calling from another network within Nigeria. Dial +2348050020121 or +2348050020200 if you are calling from outside Nigeria (add +234 HELP! How do I unlock a SIM card that is PUK locked. My phone locked me out last night and I have used 5 of my 8 tries attempting to guess the code. I have not ever set a code so am confused. I tried calling Verizon but they are very busy and suggested I go to the Verizon site. I've done both and can't seem to find the info I need. What next? Press 1 to select the PUK code option. When prompted, provide the customer service representative with your SIM card number and ID card number. The customer service representative will ask you to confirm your details; once confirmed, they will provide you with the PUK code. Enter the PUK code when prompted on your phone to unblock your SIM card The PIN and PUK codes can be found on the SIM card packet that is provided to you when the sim was purchased. There is a PUK 1 and PUK 2 code to help with securing your SIM pin. You can use it to unlock a blocked SIM pin. How to access SIM PIN & PUK: Step 1. Turn to the back of your sim card holder. Step 2. Using a coin, gently scratch out the Lock or unlock your display, set a screen security lock type, or get your PUK code. INSTRUCTIONS & INFO TURN ON SCREEN LOCK : From the home screen, press the OK button . If you enter your SIM PIN three times incorrectly (the default PIN is 5555) it will lock your SIM card. If you have locked your SIM card, you can unlock your SIM with the help of a Personal Unlocking Key (PUK code). The PUK code is generated by giffgaff and you can request Your PUK Code HERE. Once you have obtained your PUK, please type it on Unblocking your SIM card requires using the correct SIM PUK code. It's an 8-digit code that you can easily find on the SIM packaging if you still have it. If you have a blocked SIM card that now asks you to "Enter PUK code" once you turn on your phone, you can easily unblock it by entering the correct 8-digit PUK code, as seen on your SIM pack. After three incorrect SIM PIN entries, Enter PUK code of AT&T. With an ATT PUK code, you can unlock your phone. To get the PUK code of ATT to unlock the SIM card, call 800.901.9878. If Enter PUK isn't currently shown on your Motorola device, press **05* before entering the PUK code. In your device, enter the eight-digit ATT PUK code. 0000, 1234, 9999, and 7890 are the Zong PUK codes, and *310# is the Zong USSD code used to unlock the SIM card. You can also dial the 111222111 and 310 Zong numbers 24/7 in order to grab your SIM PUK code. The personal unlocking key for Zong Telecommunications refers to the Zong SIM card 8 digit unlock code used to unblock the SIM card. Today I am going to tell you 2 ways to find your PUK code easily to unblock your SIM CARD. And these ways are as follows: 1. Find PUK Code Using Another Mobile. It is very easy to find your PUK code by using another mobile. But always keep in mind that the alternate mobile must have the same telecom operator as your one has. TnMasHH.