International Bank Account Number(IBAN) for Austria

Standard IBAN account format in Austria

AT61 19043 00234573201

AT ISO Country code for Austria(2a)
61 IBAN Control digit (2n)
19043 Bank Code (5n)
00234573201 Account number (11n)
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Total 20an characters

Note:
a- stands for alphanumeric (means it can contain only characters)
n - numbers only in numeric
an - both characters and numbers