New Zealand bank account number

New Zealand bank account numbers in NZD follow a standardised format of 16 digits: a prefix representing the bank and branch (six digits), otherwise known as the Bank code; the body (seven digits); and the suffix representing the product/account type (two or three digits). While the New Zealand format is similar to Australia's Bank State Branch, the two systems are not interchangeable.

Source: Wikipedia — New Zealand bank account number (CC BY-SA 4.0)