It is their Universal Branch Code and can be used for any branch.
I have no idea why they even still bother with the old individual branch codes - it's just confusing the issue.
250655
randburg
250655
Generic FNB Branch Code: 250655
Rivonia
250655
randburg
branch code is 250655.
branch is 250655
250655
250655
Sabie
Generic FNB Branch Code: 250655
It's 250655
250655
Rivonia
Fnb neelsie branch code? Thought it was 250655