PS3 - can i use NA key to "add windows service" on my ps3 EU account

PS3 - can i use NA key to "add windows service" on my ps3 EU account

i buy ff14 ps3 zone2 eu

Q. i can add windows service with "NA" key? cuz i can't find "EU" key.

sorry with my language. cuz my english language is so bad

T_______T

I highly doubt this as accounts are Region Locked.