IBAN format · ES
Spain IBAN format
IBANs issued in Spain are 24 characters long and follow the ISO 13616 structure below.
Country code
ES
Total length
24 chars
Check-digit algo
MOD 97-10
ISO 13616 pattern
4!n4!n1!n1!n10!n
4 digits (digits (0–9)), then 4 digits (digits (0–9)), then 1 digit (digits (0–9)), then 1 digit (digits (0–9)), then 10 digits (digits (0–9))
Structure breakdown
The IBAN is read left to right: a 2-letter country code, 2 check digits, then the country-specific BBAN split into 5 fields.
Country code
ISO 3166 — Spain
ES
Check digits
MOD 97-10 checksum
91
BBAN field 1
4 digits · digits (0–9)
2100
BBAN field 2
4 digits · digits (0–9)
0418
BBAN field 3
1 digit · digits (0–9)
4
BBAN field 4
1 digit · digits (0–9)
5
BBAN field 5
10 digits · digits (0–9)
0200051332