The IBAN checker now validates all 89 country formats in SWIFT IBAN Registry Release 102 of June 2026, including previously missing structures.
This is a data alignment; these countries were not all first introduced in this release.
Checks cover length, required letter and digit positions, and the checksum.
The IBAN checker now validates all 89 country formats in SWIFT IBAN Registry Release 102 of June 2026, including previously missing structures. This is a data alignment; these countries were not all first introduced in this release.
What does this mean in practice?
Checks cover length, required letter and digit positions, and the checksum. Formal validity does not confirm account existence or payment availability. SEPA membership is not required for format validation.