What is a local bank account format?

A local bank account format is a country's domestic way of representing a bank account before the IBAN standard. Examples include UK sort code + account number, German BLZ + Kontonummer, French RIB, and Dutch account number.

How do I convert an IBAN to local format?

Enter your IBAN into the converter. The tool reads the 2-character country code and extracts the BBAN fields (bank code, branch code, account number) according to that country's ISO 13616 format specification, then displays them as the local account format.

Which countries are supported for IBAN to local conversion?

Supported countries include Germany (BLZ), UK (sort code + account), France (RIB), Netherlands, Belgium, Spain, Italy, Switzerland, Austria, Poland, Sweden, Norway, Denmark, Finland, Portugal, Greece, Ireland, Turkey, UAE, Saudi Arabia, Qatar, Kuwait, Bahrain, Jordan, and more.

Is the IBAN to local conversion always exact?

For countries with well-defined BBAN structures (DE, GB, FR, NL, BE, CH, and others) the conversion is exact. For some countries, the local format may require additional bank-specific context not fully encoded in the IBAN alone.

IBAN to Local Format

Paste any IBAN to extract the underlying local banking fields: BLZ + Kontonummer for Germany, Sort Code + Account Number for the UK, RIB fields for France, and more. MOD-97 validation is performed automatically.

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Supported Country Formats

The tool provides labeled breakdowns for the following countries:

DEGermany

BLZ (8) + Kontonummer (10)

GBUnited Kingdom

Bank Code (4) + Sort Code (6) + Account (8)

FRFrance

Banque (5) + Guichet (5) + Compte (11) + Clé (2)

TRTurkey

Bank Code (5) + Account (16)

NLNetherlands

Bank Code (4) + Account (10)

BEBelgium

Bank (3) + Account (7) + Check (2)

ESSpain

Entidad (4) + Sucursal (4) + Control (2) + Cuenta (10)

ITItaly

CIN (1) + ABI (5) + CAB (5) + CC (12)

CHSwitzerland

Clearing (5) + Account (12)

ATAustria

BLZ (5) + Account (11)

PLPoland

Check (2) + Bank/Branch (8) + Account (16)

For all other countries, the raw BBAN (Basic Bank Account Number) is displayed. You can cross-reference the BBAN structure with the IBAN format reference covering all 92 supported countries.

Why Extract Local Fields from an IBAN?

There are several situations where knowing the local components of an IBAN is useful:

Legacy system integration: Older ERP and accounting systems may require BLZ + Kontonummer or Sort Code + Account Number rather than IBAN.
Bank identification: The bank code within the BBAN identifies which bank holds the account, independent of the BIC lookup.
Reconciliation: Payment records in older formats can be reconciled against IBAN-based records by extracting the shared account number.
Developer testing: When constructing test cases, knowing the BBAN structure for each country avoids off-by-one errors in substring extraction.

Last updated: June 2026