You have asked a lot of questions that have been answered here many, many times.
1) Read the Sticky FAQs at the top of the General BlackBerry Discussion
2) Use the "search button" at the top of every page
There must be 100 threads on how to unlock a BlackBerry. I will save you time.
Contact Bongo Wireless (http://www.bongowireless.com
) or GSMPhoneSource and see if they can unlock your BlackBerry for you. It is not free. There are no free unlocking services for the BlackBerry.