Idaho Central Credit Union Routing Number: Idaho's Largest CU

What is the Idaho Central Credit Union routing number?

Idaho Central Credit Union's routing number is 324172465. This routing number is used for all ICCU accounts statewide, including checking, savings, and certificate accounts across all Idaho branch locations.

Idaho Central is the largest credit union in Idaho, with over $10 billion in assets and more than 600,000 members. Founded in 1940, ICCU operates branches throughout Idaho and has expanded into select neighboring states.

Where to find your ICCU routing number

Routing number 324172465 appears on the bottom-left of your Idaho Central checks. You can also find it in the ICCU mobile banking app, online banking portal, or by visiting any branch location.

The 324 prefix indicates ICCU's routing number is processed through the Federal Reserve Bank of San Francisco, which handles transactions for financial institutions in Idaho and other western states.

Direct deposit and ACH transfers

Use routing number 324172465 with your ICCU account number to set up direct deposit through your employer. ICCU processes payroll deposits, government benefits, tax refunds, and pension payments through the ACH network.

ACH transfers settle within one to two business days. ICCU does not charge fees for incoming ACH deposits and supports outgoing ACH payments for bill pay and bank-to-bank transfers through online and mobile banking.

Wire transfer information

Domestic wire transfers at ICCU use routing number 324172465. Outgoing wires can be initiated at any branch, and incoming domestic wires are typically credited the same business day when received before the processing cutoff.

For international wire transfers, contact ICCU member services for their SWIFT code and correspondent bank information. International wires generally take two to five business days to complete.

Elevate business banking with Slash

Idaho Central Credit Union is an excellent option for personal banking in Idaho. For businesses seeking modern payment infrastructure, Slash provides full ACH and wire capabilities, unlimited virtual cards, and real-time expense management.

Slash gives businesses the tools to manage payments, track spending, and control finances from one dashboard — without the complexity of managing multiple banking relationships.