Gesa Credit Union Routing Number: Washington State Guide

What is the Gesa Credit Union routing number?

Gesa Credit Union uses routing number 325180520 for all member accounts. This nine-digit ABA routing number is required for direct deposits, ACH transfers, wire transfers, and automatic payment setups.

Gesa Credit Union is headquartered in Richland, Washington, and serves over 300,000 members with more than $5 billion in assets. Founded in 1953 for employees of the Hanford Nuclear Reservation, Gesa has grown into one of the largest credit unions in Washington state, serving members across the Tri-Cities, Yakima Valley, and beyond.

How to find your Gesa routing number

Routing number 325180520 appears on the bottom-left of your Gesa Credit Union checks. It is also available through Gesa's online banking portal and mobile app under your account information.

Every Gesa member uses the same routing number regardless of branch or account type. The 325 prefix indicates routing through the Federal Reserve Bank of San Francisco, which serves the Washington state region.

Gesa wire transfers and ACH payments

Domestic wire transfers at Gesa use routing number 325180520 through the Fedwire network. Members can initiate outgoing wires through online banking, at a branch, or by calling member services.

ACH transactions — including payroll direct deposits, government benefit payments, and recurring bill payments — all route through this number. Gesa follows standard Federal Reserve ACH settlement timelines for processing.

Gesa business banking

Gesa offers business checking and savings accounts, commercial real estate loans, SBA lending, business credit cards, and merchant services. Their business platform includes remote deposit capture, ACH origination, and cash management tools.

With branches across central and eastern Washington including the Tri-Cities, Yakima, Walla Walla, and Ellensburg, Gesa provides extensive in-person access alongside a modern digital banking experience.

How Slash compares to Gesa

Gesa delivers strong credit union value across central Washington, while Slash provides a digital-first business banking platform available nationwide. Slash offers up to 2% cashback, unlimited virtual cards with customizable spend controls, and automated expense categorization.

For businesses seeking more than regional credit union services, Slash provides real-time spend visibility, treasury yield on idle cash, multi-entity management, and seamless integrations with QuickBooks and other accounting tools — accessible from anywhere.