I am trying to unlock my Nokia 6200 (AT&T Wireless / Cingular).

In the unlock.nokiafree.org web page, the 6200 does not appear
in the Nokia Model list.
Is it any of ASIC 2 or 5 or 6 or 7?

Another question, what is GEN?

Back of my phone says "Model 6200 Type NPL-3".

Thanks