Is FSBWUS62 a valid SWIFT code?

Yes. FSBWUS62 has the right format and is in our directory for 1ST SECURITY BANK OF WASHINGTON, MOUNTLAKE TERRACE. Confirm with the beneficiary that it is the bank that holds their account.

What is the difference between FSBWUS62 and FSBWUS62XXX?

None. FSBWUS62 is the 8-character form of FSBWUS62XXX; XXX at the end means the head office. Either works.

SWIFT/BIC · United States

FSBWUS62

1ST SECURITY BANK OF WASHINGTON · Head office · MOUNTLAKE TERRACE

Code details

SWIFT/BIC: FSBWUS62 (FSBWUS62XXX)
Institution: 1ST SECURITY BANK OF WASHINGTON
Office: Head office
Branch code: XXX · head office
Address: 6920 220TH ST SW, STE 300, 98043 MOUNTLAKE TERRACE
City: MOUNTLAKE TERRACE
Country: United States

What FSBWUS62 means

FSBWUS62XXX

FSBWBank code
Four letters chosen by the institution.
USCountry code
United States (ISO 3166)
62Location 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

United States does not use IBAN: send the beneficiary’s local account number with this code. Check an IBAN →

Questions

Is FSBWUS62 a valid SWIFT code?: Yes. FSBWUS62 has the right format and is in our directory for 1ST SECURITY BANK OF WASHINGTON, MOUNTLAKE TERRACE. Confirm with the beneficiary that it is the bank that holds their account.
What is the difference between FSBWUS62 and FSBWUS62XXX?: None. FSBWUS62 is the 8-character form of FSBWUS62XXX; 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 .