A number for I-130/I-140

[balagar]

HI

I just mailed out(5/21) I-130/I-485 package for concorrent filing by express..

Since i have A number from my I-140, is this number reamains same or will it change...!!
because i am asking, that would be easier for me to track my process, if they use the same A number.

Thanks for any advise.

[balagar]

also my other question/concern is:
i send USPS money orders for and wrote as "USCIS" is it going to be a problem..!!
$355 for I-130
$500+$510 for I-485
and
$70 for I-864(department of state)
thanks