The sort code is usually formatted as three pairs of numbers, for example 12-34-56. It identifies both the bank (in the first digit or the first two digits) and the branch where the account is held. Sort codes are encoded into IBANs but are not encoded into BICs.

Is sort code a UK thing?

A SORT Code is a number code, which is used by British and Irish banks. These codes have six digits, and they are divided into three different pairs, such as 12-34-56. These codes, like many other bank codes, are used to identify the location of the bank where the account is held.

Is sort code necessary?

The sort code is essential because having just the account number will not allow you to make a money transfer.