IBAN Information for: Spain

Find out all you need to know about the IBAN format in ES, including length, structure, and validation rules.

IBAN Information - Spain

Overview

The International Bank Account Number (IBAN) for Spain (ES) follows specific formatting rules. Here you'll find all the important details about the ES IBAN format.

Key Details

IBAN Length 24 characters
Country Prefix ES
SEPA Member Yes
Currency EUR
Membership EU Member
Central Bank Bank of Spain
Central Bank Website www.bde.es

Format Information

SWIFT Format

ES2!n4!n4!n1!n1!n10!n

Regex Format

^ES(\d{2})(\d{4})(\d{4})(\d{1})(\d{1})(\d{10})$

Example IBAN

ES9121000418450200051332

Domestic Format Information

BBAN Format

4!n4!n1!n1!n10!n

BBAN Length

20 characters

Domestic Example

2100 0418 45 0200051332

BBAN Example

21000418450200051332

IBAN Block Structure

ES 91 2100 0418 45 0200051332

IBAN Structure Legend

ES Country Code
91 Check Digits
2100 Bank Code

0418 Branch Code
45 National Check Digits
0200051332 Account Number

Structure for Spanish IBAN

Spanish IBANs consist of the country code (ES), check digits (2 digits), bank code (4 digits), branch code (4 digits), national check digits (2 digits), and account number (10 digits).

The Spanish IBAN consists of 24 characters. The bank code (4 digits) identifies the bank, followed by the branch code (4 digits). The national check digits (2 digits) are used for internal validation within the Spanish banking system. The account number (10 digits) identifies the individual account.

Bank Information

The IBAN contains encoded information about the bank and branch. Below are the positions of these components in the BBAN part.

Bank ID Position

Positions 0 to 3

Branch ID Position

Positions 4 to 7

Checksum Position

Positions 8 to 9

SWIFT Official

Yes

Registry Edition

2013-09-05

What is an IBAN?

An International Bank Account Number (IBAN) is a standardized international numbering system developed to identify bank accounts from around the world. It was originally adopted by the European Committee for Banking Standards and later as an international standard.

Important to know: Each country has its own IBAN format and length, but all follow the same basic structure with a country code, check digits, and account number components.

IBAN Uses

International wire transfers
SEPA payments within Europe
Automated payment processing

Benefits of IBANs

Reduced errors in international payments
Faster processing of cross-border transactions
Standardized format for global banking

Our IBAN Tools

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IBAN FAQs

What is an IBAN? IBAN - Countrylist How to remember your IBAN? How is the IBAN structured? How is the IBAN check digit calculated? BIC - Bank Identifier Code

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IBAN Verification

The check digits in an IBAN allow for verification of the entire number, reducing the risk of errors during transcription. This makes international payments more reliable.

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