INTERNATIONAL BANK ACCOUNT NUMBER (IBAN) AND BANK. IDENTIFIER CODE . 1nn = Nordea Bank (Nordea). 2nn = Nordea Bank. Type the local Nordea account number in the text box below without the hyphen XXXXX (14 characters) or with a hyphen XXXXX and click. 2 If “matched” account statement is used the account format must be in the same format as sent in PAYMUL or pain 3 Bankgiro number.