What is the IBAN for Nationwide Building Society in the United Kingdom?

To send money to Nationwide Building Society in the United Kingdom, use the correct IBAN format to avoid delays. Remitly’s IBAN calculator can help you generate it from the bank account details.

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IBAN Example for Nationwide Building Society in the United Kingdom

Each part of a bank’s IBAN shows key account details. See the breakdown below.

IBAN Example
IBAN
GB51NAIA07011627211696
Country code
GB
Check digits
51
Bank code
NAIA
Sort code
070116
Account number
27211696

Do you always need an IBAN to send money?

For many international transfers, an IBAN is essential—it helps ensure your funds arrive at the correct bank account.

Looking for a reliable way to send money abroad? Remitly offers fast, simple, and trustworthy global transfers.

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Use Remitly’s IBAN lookup tool to check the format.

What is an IBAN?

An IBAN (International Bank Account Number) is a standard code used for international transfers. It includes a country code, check digits, and bank details to help avoid errors. IBANs are widely used in Europe, Asia, Africa, and the Middle East.

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Each country uses a unique IBAN format with different account details. Select a country to see an example and generate your own using your banking information.

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Remitly FAQ

What’s the difference between a Routing Number, SWIFT Code, and IBAN?

These codes help with money transfers, but each has a distinct role:

  • Routing number: Commonly used in countries like the United States for domestic transfers. It identifies the bank and branch where an account is held.
  • SWIFT code: Also known as a BIC, this code identifies a bank or financial institution for international transfers. It's required to route the money to the right bank.
  • IBAN: Stands for International Bank Account Number. It identifies the exact account to which the money is going and is used primarily in Europe, the Middle East, and other IBAN-compliant countries.
Together, SWIFT/BIC and IBAN are often used for cross-border payments, while routing numbers are typically used within specific countries like the U.S.

What countries use IBAN codes?

IBANs are used in over 70 countries, mainly in Europe, the Middle East, and parts of Asia and Latin America. Countries such as the UK, Germany, France, Turkey, and the UAE all use IBANs.

Some countries, like the U.S., Canada, and Australia, don’t use IBANs—they rely on routing numbers or SWIFT codes instead.

How safe are IBANs?

IBANs are safe and reliable. Their format includes check digits that help catch errors before payments are sent, reducing the risk of failed or misdirected transfers.

How do I send a payment using an IBAN?

If you enter an incorrect IBAN, the transfer may fail or be sent to the wrong account. Banks often validate the IBAN format before processing, but they can't check if the account truly belongs to the recipient.

Use Remitly's IBAN checker to avoid errors before sending.