Is MUUNFR21 a valid SWIFT code?

Yes. MUUNFR21 has the right format and is in our directory for MUTUELLE UNEO, MONTROUGE. Confirm with the beneficiary that it is the bank that holds their account.

What is the difference between MUUNFR21 and MUUNFR21XXX?

None. MUUNFR21 is the 8-character form of MUUNFR21XXX; XXX at the end means the head office. Either works.

SWIFT/BIC · France

MUUNFR21

MUTUELLE UNEO · Head office · MONTROUGE

Code details

SWIFT/BIC: MUUNFR21 (MUUNFR21XXX)
Institution: MUTUELLE UNEO
Office: Head office
Branch code: XXX · head office
Address: 48 RUE BARBES, 48-56, 92120 MONTROUGE
City: MONTROUGE
Country: France

What MUUNFR21 means

MUUNFR21XXX

MUUNBank code
Four letters chosen by the institution.
FRCountry code
France (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. France IBANs have 27 characters and start with FR. IBAN format and example → Check an IBAN →

Questions

Is MUUNFR21 a valid SWIFT code?: Yes. MUUNFR21 has the right format and is in our directory for MUTUELLE UNEO, MONTROUGE. Confirm with the beneficiary that it is the bank that holds their account.
What is the difference between MUUNFR21 and MUUNFR21XXX?: None. MUUNFR21 is the 8-character form of MUUNFR21XXX; XXX at the end means the head office. Either works.

Sending to MUUNFR21?

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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 .