What is the difference between GIDAIT21 and GIDAIT21XXX?

None. GIDAIT21 is the 8-character form of GIDAIT21XXX; XXX at the end means the head office. Either works.

SWIFT/BIC · Italy

GIDAIT21

GESTIONE IMPIANTI DEPURAZIONE ACQUE S.P.A. ENUNCIABILE ANCHE G.I.D.A. S.P.A. · Head office · PRATO

Code details

SWIFT/BIC: GIDAIT21 (GIDAIT21XXX)
Institution: GESTIONE IMPIANTI DEPURAZIONE ACQUE S.P.A. ENUNCIABILE ANCHE G.I.D.A. S.P.A.
Office: Head office
Branch code: XXX · head office
Address: VIA BACIACAVALLO, 36, 59100 PRATO
City: PRATO
Country: Italy

What GIDAIT21 means

GIDAIT21XXX

GIDABank code
Four letters chosen by the institution.
ITCountry code
Italy (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. Italy IBANs have 27 characters and start with IT. IBAN format and example → Check an IBAN →

Questions

Is GIDAIT21 a valid SWIFT code?: Yes. GIDAIT21 has the right format and is in our directory for GESTIONE IMPIANTI DEPURAZIONE ACQUE S.P.A. ENUNCIABILE ANCHE G.I.D.A. S.P.A., PRATO. Confirm with the beneficiary that it is the bank that holds their account.
What is the difference between GIDAIT21 and GIDAIT21XXX?: None. GIDAIT21 is the 8-character form of GIDAIT21XXX; XXX at the end means the head office. Either works.

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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 .