Is ERCUIE21 a valid SWIFT code?

Yes. ERCUIE21 has the right format and is in our directory for ERRIS CREDIT UNION LIMITED, MAYO. Confirm with the beneficiary that it is the bank that holds their account.

What is the difference between ERCUIE21 and ERCUIE21XXX?

None. ERCUIE21 is the 8-character form of ERCUIE21XXX; XXX at the end means the head office. Either works.

SWIFT/BIC · Ireland

ERCUIE21

ERRIS CREDIT UNION LIMITED · Head office · MAYO

Code details

SWIFT/BIC: ERCUIE21 (ERCUIE21XXX)
Institution: ERRIS CREDIT UNION LIMITED
Office: Head office
Branch code: XXX · head office
Address: UPPER BARRACK STREET BELMULLET CO MAYO, F26 XD77 MAYO
City: MAYO
Country: Ireland

What ERCUIE21 means

ERCUIE21XXX

ERCUBank code
Four letters chosen by the institution.
IECountry code
Ireland (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. Ireland IBANs have 22 characters and start with IE. IBAN format and example → Check an IBAN →

Questions

Is ERCUIE21 a valid SWIFT code?: Yes. ERCUIE21 has the right format and is in our directory for ERRIS CREDIT UNION LIMITED, MAYO. Confirm with the beneficiary that it is the bank that holds their account.
What is the difference between ERCUIE21 and ERCUIE21XXX?: None. ERCUIE21 is the 8-character form of ERCUIE21XXX; XXX at the end means the head office. Either works.

Sending to ERCUIE21?

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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 .