In Australia we have an account number and a BSB - Bank State Branch number which, unsurprisingly, represents the bank, state, and branch. These are almost uni

In Australia we have an account number and a BSB - Bank State Branch number which, unsurprisingly, represents the bank, state, and branch. These are almost universally displayed as two groups of three digits, that's seven characters, count them... separated by a hyphen and almost universally have to be entered in to a six character field, non-numeric characters not accepted. Definitely one or my favourite minor annoyances.