did not receive approval letter

[alvid55]

I was approve nov. 1 2013 uscis said they sent me out a letter and forwarded our papers to nvc well that has been 12 days I called uscis today and spoke with a supervisor she told me I had to wait 30 days then contact them back then I would have to file form i824 to request them to send me a copy of the approval letter along with a 405.00 filing fee is there any way I can just get in contact with nvc without waiting and not spend another 405 dollars if anyone knows anything about this please help me thank you alvid55