Code - Wireless Support SIM locked needing PUK code - AT T Community You ll need to get a new. Get the PIN, unlock, key pUK ) code to unlock your, sIM card. Enter PUK displays after more than three wrong PIN entries. Find more Wireless support on att.com. Require a PIN code in order to use your, sIM card in any device. How gravestone Mod Wiki do i unlock puk for sim card - AT T Community AT T Z223 - Enter PUK code How do I find my AT T phone PUK code? Ask Dave Taylor If you forget your SIM lock PIN code, learn how to get the PIN. Unlock, key pUK ) code. Under Manage device, select Get your PIN unlock key (PUK). I have a phone with. AT T sim card and contract needing puk code. We are happy to assist you with getting the PUK for your, sIM.