Is OPALCH21 a valid SWIFT code?

Yes. OPALCH21 has the right format and is in our directory for OLZ AG, BERN. Confirm with the beneficiary that it is the bank that holds their account.

What is the difference between OPALCH21 and OPALCH21XXX?

None. OPALCH21 is the 8-character form of OPALCH21XXX; XXX at the end means the head office. Either works.

SWIFT/BIC · Switzerland

OPALCH21

OLZ AG · Head office · BERN

Code details

SWIFT/BIC: OPALCH21 (OPALCH21XXX)
Institution: OLZ AG
Office: Head office
Branch code: XXX · head office
Address: MARKTGASSE 24, 3011 BERN
City: BERN
Country: Switzerland

What OPALCH21 means

OPALCH21XXX

OPALBank code
Four letters chosen by the institution.
CHCountry code
Switzerland (ISO 3166)
21Location code
Where the institution sits on the SWIFT network. A 1 in second place marks a passive participant.
XXXBranch code
XXX, or nothing at all, means the head office.

Paying an account at this bank

You will also need the beneficiary’s IBAN. Switzerland IBANs have 21 characters and start with CH. IBAN format and example → Check an IBAN →

Questions

Is OPALCH21 a valid SWIFT code?: Yes. OPALCH21 has the right format and is in our directory for OLZ AG, BERN. Confirm with the beneficiary that it is the bank that holds their account.
What is the difference between OPALCH21 and OPALCH21XXX?: None. OPALCH21 is the 8-character form of OPALCH21XXX; XXX at the end means the head office. Either works.

Sending to OPALCH21?

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About this data

Codes are checked against our directory of banks on TrillioniPay corridors. Always confirm the code with the beneficiary’s bank before sending a payment. Last updated: 23 September 2026.

Institution names and addresses: Global Legal Entity Identifier Foundation (GLEIF) LEI data, available under CC0. The address is the legal entity’s registered or head-office address, which can differ from the office SWIFT lists.

SWIFT © and database rights August 2026. All rights reserved. This Mapping Table has been developed by SWIFT. Any use of the Mapping Table, in whole or in part, is subject to the BIC/LEI Mapping Table License Agreement as published with the Mapping Table available on GLEIF's website. The Mapping Table is updated monthly. For the latest BIC information and updates, always refer to www.swift.com/bic .