Looks very nice Mattz, congrats. According to the Fender product dating page, a '99 US Strat would have a serial of;
N8 + 5 or 6 DIGITS
N9 + 5 or 6 digits
V + 5 or 6 digits (American Vintage Series except '52 Telecaster) starting with N8 or N9. You'll find it here.
.:: FenderŪ.com ::.
This site is not Fender but has lots of good info. too.
Vintage Guitars Info - Fender, collecting vintage guitars fender stratocaster, strat, telecaster, tele