Enter PUK code for AT&T PREPAID

Get the PIN Unlock Key (PUK) code to unlock your SIM card. Enter PUK displays after more than three wrong PIN entries.

Unlock with PUK code

To unlock the SIM card in your AT&T PREPAIDSM device:
  1. Call 800.901.9878 to get the PUK code.
  2. If a Motorola device isn’t currently displaying Enter PUK, enter **05* before entering the PUK code.
  3. Enter the eight-digit PUK code in your device.
  4. Select OK/Yes.
  5. Follow the prompts to create a new PIN code.

PUK2 or PUK blocked call operator

If your device displays PUK2 or PUK blocked call operator, then the wrong PUK code was entered 10 or more times in a row. The SIM card is blocked and must be replaced. To replace the blocked SIM card, call 800.901.9878.
Last updated: December 7, 2022

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