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IBAN Structure Bulgaria

Last reviewed: · Source: ISO 13616 / SWIFT IBAN Registry

Bulgaria's IBAN has 22 characters in the format BGkk BBBB SSSS DDCC CCCC CC. After the country code BG and the check digits come a 4-letter bank code (BIC prefix), a 4-digit branch code, a 2-digit account-type identifier and the 8-character account number. Bulgaria is in the euro area and fully SEPA-integrated. For payments from EU/EEA banks to Bulgaria, required routing details depend on the bank, currency and route; check them in advance with your bank. The bank code matches the first four letters of the account-holding bank's BIC.

Structural fields are based on the official SWIFT IBAN Registry. The editorial method and validation boundary are documented on our German editorial page (German).

Overview

CountryBulgaria (BG)
IBAN length22 characters
FormatBGkk BBBB SSSS DDCC CCCC CC

Visual breakdown

Fictitious format example, not payment data:

BG80BNBG96611020345678
Country codeCheck digitsBank codeBranch codeAccount typeAccount number

Character-by-character explanation

SegmentCharactersLengthExplanation
Country codeBG2BG for Bulgaria (ISO 3166-1)
Check digits802Two check digits per MOD-97
Bank codeBNBG44-letter bank code (BIC prefix)
Branch code966144-digit branch code (BAE number)
Account type1022-digit account-type identifier
Account number2034567888-character alphanumeric account number

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Frequently asked questions

How do I check the length of an IBAN from Bulgaria?
Remove spaces and count 22 characters. The first two characters are BG; the remaining positions follow BGkk BBBB SSSS DDCC CCCC CC. A different length is formally invalid for this country format.
What do the check digits in a Bulgaria IBAN mean?
The two check digits are calculated from the complete IBAN using ISO 7064 MOD-97. They help detect format and transcription errors. A passing checksum does not confirm that an account exists or identify its account holder.
What should I do when an IBAN is formally invalid?
Check the country code, character count, letters and digits, and the check digits. Compare the entry with your bank records or ask the bank for the correct IBAN. This checker validates structure and checksum; it does not verify account ownership or payment approval.

IBAN structure for other countries

Germany

22 characters · DEkk BBBB BBBB CCCC CCCC CC

Austria

20 characters · ATkk BBBB BCCC CCCC CCCC

Switzerland

21 characters · CHkk BBBB BCCC CCCC CCCC C

Liechtenstein

21 characters · LIkk BBBB BCCC CCCC CCCC C

France

27 characters · FRkk BBBB BGGG GGCC CCCC CCCC CKK

Spain

24 characters · ESkk BBBB GGGG KKCC CCCC CCCC

Italy

27 characters · ITkk XBBB BBGG GGGC CCCC CCCC CCC

Portugal

25 characters · PTkk BBBB SSSS CCCC CCCC CCCK K