Share Your Blackberry PIN # is a unique identification number that allows you to use data services as well as Blackberry messenger services. For most worldwide Blackberrys as well as any Telus or Bell phones, you need the PIN # to unlock your phone.  This can be found in a couple places. 1.) On the box of your phone.  It should be written on the side with a white sticker. Note: This can be very unreliable as many people from third party...