IBAN country format
United Kingdom IBAN Format, Length and Example
Use this guide to understand the standard United Kingdom IBAN country code, expected length, and example formatting. Examples are for education and testing only; they are not presented as real bank accounts.
Key United Kingdom IBAN details
- Country
- United Kingdom
- Country code
- GB
- IBAN length
- 22 characters
- SEPA status
- SEPA country - Non-EEA
- BBAN structure
- 18 BBAN characters after the country code and check digits.
United Kingdom IBAN example
This is an example or test-style value for showing the expected format. It must not be treated as a real account or payment instruction.
- Example IBAN
- GB29NWBK60161331926819
- Print format example
- GB29 NWBK 6016 1331 9268 19
- Digital format example
- GB29NWBK60161331926819
What the format check verifies
- Whether the IBAN starts with the GB country code.
- Whether the IBAN has 22 characters after normalization.
- Whether the value uses allowed letters and digits.
- Whether the MOD97-10 checksum is valid.
What it does not verify
- It does not confirm that the bank account exists.
- It does not confirm account ownership.
- It does not confirm bank connectivity or payment success.
- It does not replace verification with your bank or payee.
United Kingdom SEPA context
United Kingdom is listed in the local SEPA country reference data as: SEPA country - Non-EEA. Country-level SEPA status does not guarantee that a specific account can receive a payment.
Limitation note
This page explains IBAN format rules only and does not confirm account existence, account ownership, or payment success.
Before using a United Kingdom IBAN for payment
A structurally valid IBAN can still be wrong for a real transfer. Always verify payment details with the invoice issuer, recipient, bank, or payment provider before sending money.
FAQ
How long is a United Kingdom IBAN?
A United Kingdom IBAN has 22 characters.
What country code does a UK IBAN use?
United Kingdom IBANs use the country code GB.
Can UK IBANs include letters?
Yes. The BBAN can include a bank code made from letters.
Does a valid UK IBAN guarantee payment success?
No. It only indicates that the format and checksum pass supported checks.