IBAN formats allowing only numeric BBAN

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Maps

http://anna.info/maps/iban

Frequency

As of 2012-08-10.

The BBAN starts after country code and check digits, i.e. after position 4 of the electronic format.

Some countries have numeric-only BBAN formats. The one with the highest frequency is the 20n format, being used by five countries.

Twelve countries use only full groups of four:

  • 12 BE
  • 16 BS, AT, EE, LT
  • 20 CZ, SK, ES, SE, TN
  • 24 HU, PL

Countries using formats that are only numeric after the country code and the check characters are:

BBAN length ISO 3166-1 alpha-2 codes for countries Quantity of countries using that format Length is a multiple of 4
11 NO 1 no
12 BE 1 yes
14 FO, GL, FI (including AX), DK 4 no
15 SI 1 no
16 BS, AT, EE, LT 4 yes
17 HR, CR 2 no
18 DE, ME, RS 3 no
19 AE, IL 2 no
20 CZ, SK, ES, SE, TN 5 yes
21 PT 1 no
22 IS 1 no
23 MR 1 no
24 HU, PL 2 yes
11-24 28 12

Alphanumeric BBAN

  • AL:8!n16!c
  • AD:4!n4!n12!c
  • AZ:4!a20!c

...