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Openbank S.A. (Santander) IBAN Format & BIC Code

Find the official BIC/SWIFT code for Openbank S.A. (Santander), understand the Spain IBAN format used for all Openbank S.A. (Santander) accounts, and validate any IBAN instantly.

Bank Details

Full nameOpenbank S.A. (Santander)
BIC / SWIFT codeOPENESMM
Full BIC (with branch)OPENESMMXXX
Country🇪🇸 Spain
CityMadrid
SEPA memberYes
Transfer networkSEPA + SWIFT

IBAN Format at Openbank S.A. (Santander)

IBANs at Openbank S.A. (Santander) follow the Spain standard: 24 characters starting with ES.

Example structure (Spain format):

E
S
9
1
2
1
0
0
0
4
1
8
4
5
0
2
0
0
0
5
1
3
3
2
Country
Check Digits
Bank Code
Branch Code
Check Digits
Account No.

Grouped example:

ES91 2100 0418 4502 0005 1332

IBAN Field Breakdown

Country Code
2 charsISO 3166-1 alpha-2 country code (ES)
Check Digits
2 charsMOD-97-10 check digits per ISO 13616
Bank Code
4 digits4-digit entity code (entidad)
Branch Code
4 digits4-digit branch code (oficina)
Check Digits
2 digits2-digit control digits
Account No.
10 digits10-digit account number

How to Find Your Openbank S.A. (Santander) IBAN

1

Mobile or online banking

Log in to your Openbank S.A. (Santander) account and navigate to account details. Your IBAN is usually shown on the main account overview page.

2

Bank statement

Your full IBAN appears on any official account statement — typically at the top alongside the account name.

3

Debit card / welcome letter

Openbank S.A. (Santander) may include your IBAN in your account welcome pack or on any correspondence.

4

Call or visit the bank

Contact Openbank S.A. (Santander) customer service or visit a branch with valid photo ID to obtain your IBAN.

Validate a Openbank S.A. (Santander) IBAN

Enter any ES IBAN — MOD-97 check digit verification + bank lookup.

ES

Other Spain Banks

Spain IBAN format →
ABCAESMM
BBVAESMM
BBVAESMM
ESPBESMM
← All banks🇪🇸 Full Spain IBAN format →OPENESMM SWIFT profile →