IBAN formats allowing only numeric BBAN

From annawiki

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

Maps

http://anna.info/maps/iban

Frequency

As of 2012-08-10.


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

Hexdecimal representation

Numeric BBAN of up to 19 digits can be converted to 16 digit BBAN in hex.

  • 9999 9999 9999 9999 9999 (20n, 99999999999999999999) is 56BC 75E2 D630 FFFF F (17h, 56BC75E2D630FFFFF)
  • FFFF FFFF FFFF FFFF (16h, FFFFFFFFFFFFFFFF) is 1844 6744 0737 0955 1615 (20n, 18446744073709551615)
  • Eleven countries use between 16 and 19 digits:
16	 BS, AT, EE, LT
17	 HR, CR
18	 DE, ME, RS
19	 AE, IL

Numeric BBAN of up to 24 digits can be converted to 20 digit BBAN in hex.

  • FFFF FFFF FFFF FFFF FFFF (20h, FFFFFFFFFFFFFFFFFFFF) is 1208 9258 1961 4629 1747 0617 5 (25n, 1208925819614629174706175)
  • Ten countries use between 20 and 24 digits:
20	 CZ, SK, ES, SE, TN
21	 PT
22	 IS
23	 MR
24	 HU, PL