Austria IBAN Validator & Format Checker
Validate and decode any Austria International Bank Account Number (IBAN). Test the structure against the official format mask, check digits, and run an offline bank lookup.
Austria IBAN Structure Rules
Every International Bank Account Number in Austria follows a standardized format registry layout:
| Country Code | AT (Austria) |
| Total Length | 20 characters |
| SEPA Member | Yes (SEPA Member) |
| Structure Format Mask | AT11 1234 5678 9012 3456 |
| BBAN Regex Pattern | ^[0-9]{16}$ |
| Bank Code Range | Characters 5 to 9 (5 digits) |
| Account Number Range | Characters 10 to 20 (11 digits) |
Frequently Asked Questions
How long is a Austria IBAN?
A Austria IBAN consists of exactly 20 characters. It starts with the country code 'AT', followed by two check digits, and then the Basic Bank Account Number (BBAN).
What is the format of a Austria IBAN?
The official format mask for a Austria IBAN is 'AT11 1234 5678 9012 3456'. The BBAN component matches the structure pattern '^[0-9]{16}{{FAQ_ACCORDION}}#039;.
Does Austria participate in SEPA?
Austria is a member of the Single Euro Payments Area (SEPA). Euro payments can be processed under SEPA rules.
How do I decode a Austria IBAN?
A Austria IBAN can be decoded into: the country code 'AT' (characters 1-2), check digits (characters 3-4), and the domestic bank account identifier containing the bank identifier (characters 5-9), and account number (characters 10-20).