Flying Blue (Air France, KLM, and Other Partners) - Moving to USA -- can one switch to NW WorldPerks?

Can Flying Blue members who move to the USA switch to Northwest WorldPerks and transfer their mileage over?

Can Flying Blue members who move to the USA switch to Northwest WorldPerks and transfer their mileage over?
IFAIK the official answer is: no. But there is this remark on the FB site that when you change your address to the US, you should call. I don't think anyone here has called yet though, to ask what that is about. Refer to this thread. (http://www.flyertalk.com/forum/showthread.php?t=441544)

IFAIK the official answer is: no. But there is this remark on the FB site that when you change your address to the US, you should call. I don't think anyone here has called yet though, to ask what that is about. Refer to this thread. (http://www.flyertalk.com/forum/showthread.php?t=441544)

Thanks, NilsHolgerson. I will follow-up with the other thread, then. :)