Santander Bank Spain IBAN Format: Structure and Example

An IBAN (International Bank Account Number) for Santander Bank in Spain follows the standard Spanish format: 24 alphanumeric characters.

Structure

ES## #### #### ## ##########
|  |    |    |  |
|  |    |    |  └─ Account number (10 digits)
|  |    |    └──── Branch code (2 digits)
|  |    └────────── Bank code (4 digits) = 0049 for Santander
|  └─────────────── Check digits (2 digits)
└────────────────── Country code = ES (Spain)

Example

ES23 0049 1500 0512 3456 7891

• ES = Spain
• 23 = Check digits
• 0049 = Santander Bank code
• 1500 = Branch code
• 051234567891 = Account number

Where to Find Yours

• Bank statements (paper or PDF).
• Online banking / mobile app (account details).
• Contact Santander Spain customer service.

Always use the full IBAN for international transfers to ensure correct routing.