Static IBAN format check
Check GB82WEST12345698765432 for United Kingdom
Check the country prefix, length, and modulo-97 check digits of United Kingdom IBAN GB82WEST12345698765432 using a build-time result.
Last updated 2026-09-03
The country length, prefix, and ISO 13616 modulo-97 result agree for this fixture.
Check details
- Normalized IBAN
- GB82 WEST 1234 5698 7654 32
- Country
- United Kingdom (GB)
- Total length
- 22 characters
- Modulo-97 remainder
- 1
- National structure
- GB + 2 check digits + 4-letter bank code + 6-digit sort code + 8-digit account number
What this check covers
The United Kingdom example combines a bank identifier, domestic sort code, and account number after the checksum.
The checker removes spaces, converts the value to uppercase, moves the first four characters to the end, converts letters to numbers, and confirms that the modulo-97 remainder is one.
United Kingdom IBAN structure
The expected layout is GB + 2 check digits + 4-letter bank code + 6-digit sort code + 8-digit account number. This page compares the 22-character fixture with that structure.
A passing checksum does not prove that an account exists, identify its owner, or confirm that a transfer can be completed. An official institution check is still required.