What is the Bulgaria IBAN format?

Bulgaria IBANs start with BG, followed by 2 check digits, then a 18-character BBAN encoding the bank code, branch code, and account number.

Bulgaria is a SEPA member. Transfers from other SEPA countries are fast and low-cost.

BG SEPA Member

Bulgaria IBAN Format

Q: How long is a Bulgaria IBAN?

A Bulgaria IBAN is 22 characters long.

22-character IBAN · BGN Bulgarian Lev · SEPA zone

A Bulgaria IBAN is 22 characters long and always begins with the country code BG, followed by two check digits. The next 4 characters are the Bank Code (SWIFT BIC). This is followed by the Branch Code (4 characters). The remaining 8 characters identify the individual account number. The Bulgaria IBAN uses the BGN (Bulgarian Lev) and is a <strong>SEPA member</strong>, meaning euro transfers from other SEPA countries are fast and low-cost.

Length

characters

Country Code

ISO 3166-1

Currency

BGN

Bulgarian Lev

SEPA

Yes

SEPA member

Example IBAN

BG80 BNBG 9661 1020 3456 78

BG Country

80 Check Digits

BNBG Bank Code (SWIFT BIC)

9661 Branch Code

10 Account Type

20345678 Account Number

IBAN Structure

Position	Length	Field	Type	Example Value
1–2	2	Country Code	a	BG
3–4	2	Check Digits	n	80
5–8	4	Bank Code (SWIFT BIC)	a	BNBG
9–12	4	Branch Code	n	9661
13–14	2	Account Type	n	10
15–22	8	Account Number	c	20345678

n = numeric only (0–9) a = alphabetic only (A–Z) c = alphanumeric (0–9, A–Z)

Validate a Bulgaria IBAN

Paste a Bulgaria IBAN below to check it.

Bulgaria IBAN Regex Pattern

^BG\d{2}[A-Z]{4}\d{4}\d{2}[A-Z0-9]{8}$

Pattern validates length, country code, check digit positions, and field character types. Does not verify the MOD-97 checksum (use the validator above for full validation).

PHP

$iban = strtoupper(str_replace(' ', '', $input));
if (!preg_match('/^BG\\d{2}[A-Z]{4}\\d{4}\\d{2}[A-Z0-9]{8}$/', $iban)) {
    // Invalid Bulgaria IBAN format
}

JavaScript

const iban = input.replace(/\s+/g, '').toUpperCase();
const pattern = /^BG\d{2}[A-Z]{4}\d{4}\d{2}[A-Z0-9]{8}$/;
if (!pattern.test(iban)) {
  // Invalid Bulgaria IBAN format
}

Python

import re
iban = input_str.replace(' ', '').upper()
pattern = r'^BG\d{2}[A-Z]{4}\d{4}\d{2}[A-Z0-9]{8}$'
if not re.fullmatch(pattern, iban):
    # Invalid Bulgaria IBAN format

These snippets check format only. For full IBAN validation including MOD-97 checksum, use a dedicated IBAN library or the validator on this page.

How to Find Your Bulgaria IBAN

Bulgaria accounts are traditionally identified using: BIC Bank Code (4a) + Branch Code (4n) + Account Type (2n) + Account Number (8c). Your IBAN encodes these same components in the standardised international format.

1
Mobile banking app — Open your bank's app, navigate to account details or "Account Info." Your IBAN is usually displayed alongside your account number. Look for a field labelled "IBAN" or "International Account Number."
2
Bank statement — Your Bulgaria IBAN appears in the account header of your printed or PDF bank statement, typically near the top of the first page.
3
Online banking — Log in to your bank's website and go to "Account Details," "Account Summary," or "Profile." Most Bulgaria banks display the IBAN prominently in account settings.
4
Bank branch or helpline — Call your bank's customer service or visit a branch with your ID. They can provide your full IBAN instantly.

Once you have your IBAN, use the validator above to confirm it is correctly formatted before sharing it.

Sending Money to Bulgaria

Bulgaria is a SEPA member. From any other SEPA country, you only need the recipient's IBAN — no BIC/SWIFT required. Transfers settle within 1 business day (or instantly via SEPA Instant Credit Transfer). Fees cannot exceed what your bank charges for a domestic payment.

What to provide

Recipient's full name
IBAN (22 characters, starts with BG)

Typical transfer time

0–1 day

SEPA Credit Transfer (1 day) or SEPA Instant (<10 seconds if both banks support it)

Bulgaria is a SEPA member but uses the Bulgarian Lev (BGN), not the Euro. SEPA Credit Transfers are available in EUR. Domestic Bulgarian transfers use IBAN. The bank code is the first 4 characters of the bank's BIC.

Compare transfer services for Bulgaria

Specialist services typically charge significantly less than high-street banks for international transfers.

Wise — Low fees, real exchange rate ↗ Revolut — Fast transfers ↗

Central Bank

Bulgarian National Bank

https://www.bnb.bg ↗

← British Virgin Islands Costa Rica →

Quick Facts

IBAN Length: 22 chars
Country Code: BG
Currency: BGN
SEPA: Yes
BBAN Format: 4a6n8c
IBAN Required: mandatory
Adopted: 2006