The Definitive 2025 Guide: 5 Things You Must Know About The Old National Bank ABA/Routing Number

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Finding the correct ABA or Routing Number for your bank account is a critical step for secure financial transactions, and for Old National Bank customers, the process has been streamlined, especially after recent mergers. As of December 19, 2025, the single, official Old National Bank Routing Number remains the same for virtually all standard transactions, including direct deposits and domestic wire transfers, simplifying a process that often confuses customers of large, growing financial institutions. This guide provides the definitive number and breaks down exactly how to use it for various banking needs.

The nine-digit ABA Routing Transit Number (RTN), often referred to simply as the ABA number, acts as a unique identifier for your bank, ensuring funds are routed to the correct institution. For Old National Bank, a bank with a significant history of growth through acquisitions, having one consistent number is a major benefit. Use this updated information to confidently set up payroll, receive tax refunds, or send domestic payments without delay.

The Official Old National Bank ABA/Routing Number for 2025

The most important piece of information for any Old National Bank customer needing to set up a transaction is the correct routing number. This number is consistent across all states and for most common transaction types.

The official and current Old National Bank ABA/Routing Number is:

  • ABA/Routing Number: 086300012

This single nine-digit code is used for all standard electronic fund transfers (EFTs) at Old National Bank, regardless of the state or region where your account was originally opened. This consistency is a result of the bank's integration efforts following various mergers, ensuring a unified banking experience for all customers.

Key Uses of the Old National Bank Routing Number (086300012)

The ABA number serves multiple crucial functions in the financial world. You will need to provide the 086300012 routing number for the following common transactions:

  • Direct Deposits: Essential for receiving your paycheck, government benefits (like Social Security), or tax refunds directly into your checking or savings account.
  • ACH Transfers: Required for all Automated Clearing House transactions, which include electronic bill payments, person-to-person (P2P) transfers, and automatic loan payments.
  • Domestic Wire Transfers: Necessary for sending or receiving funds quickly within the United States.
  • Direct Debit Payments: Used when authorizing a third party (like a utility company) to pull funds directly from your account.

How to Find Your Routing Number (And Why It’s Always the Same)

While the official number is 086300012, it is always a good practice to know where to find this number yourself, especially to confirm it alongside your personal account number.

1. On Your Check

The easiest and most common way to locate the routing number is on the bottom of an Old National Bank check. The numbers are printed in magnetic ink and are arranged in a specific order:

  1. The first set of nine digits on the far left is the ABA/Routing Number (086300012).
  2. The second set of numbers (usually 7-10 digits) is your Account Number.
  3. The third set of numbers is the Check Number.

2. Through Online Banking and Bank Statements

If you don't have a physical check, the routing number is readily available:

  • Online Banking: Log into your Old National Bank online account, navigate to your account details, and the routing number is typically displayed there.
  • Bank Statements: The routing number is usually printed on your official bank statements, often near your account number or in the contact information section.

3. Addressing Merger Confusion (The Bremer Bank Integration)

Old National Bank has grown significantly through mergers and acquisitions, such as the integration with Bremer Bank. Historically, mergers often caused confusion as customers wondered if their old routing number was still valid. The good news is that Old National Bank has consolidated its systems, and the current, single routing number (086300012) is the designated number for all customers, even those whose accounts originated from a merged institution.

Essential Details for Wire Transfers and International Payments

While the ABA number 086300012 is all you need for domestic ACH and wire transfers, international transactions require an additional code, and all wires have specific fee structures you should be aware of.

Domestic Wire Transfer Instructions

To receive a domestic wire transfer, you will need to provide the sender with the following three pieces of information:

  • Bank Name: Old National Bank
  • ABA/Routing Transit Number: 086300012
  • Beneficiary Information: Your full account name and your specific Old National Bank account number.

Wire Transfer Fees: It is important to note the associated costs. As of the current date, Old National Bank typically charges a fee for outgoing domestic wires, while incoming domestic wires are generally free.

  • Outgoing Domestic Wire Fee: $30
  • Incoming Domestic Wire Fee: Free

International Wire Transfers (SWIFT Code)

The ABA number is only for domestic U.S. transactions. For sending or receiving an international wire transfer, you need the bank's international identifier, known as the SWIFT Code (Society for Worldwide Interbank Financial Telecommunication).

  • Old National Bank SWIFT Code: OLNAUS44

When initiating an international wire, you will need to provide the SWIFT code, your account number, and the recipient's full details and their bank's SWIFT code. International wires also incur a higher fee structure:

  • Outgoing International Wire Fee: $50
  • Incoming International Wire Fee: Free

Setting Up Direct Deposit: The Final Steps

Setting up or changing your direct deposit for payroll or government payments is the most common reason people search for the Old National Bank routing number. The process is simple, but requires attention to detail.

To complete a direct deposit authorization, you will need to provide your employer or payer with the following:

  1. The bank's official name: Old National Bank.
  2. The correct routing number: 086300012.
  3. Your individual Account Number (the 7-10 digit number next to the routing number on your check).
  4. The type of account (Checking or Savings).

Some employers or government agencies may require a physical or digital "Direct Deposit Authorization Form" or a voided check. Old National Bank provides a sample authorization form to assist with this process, ensuring all the required details are correctly captured.

Always double-check both the routing number and your personal account number before submitting any financial forms to prevent delays or misrouted funds. Using the definitive 086300012 routing number ensures your money gets where it needs to go efficiently.

The Definitive 2025 Guide: 5 Things You Must Know About the Old National Bank ABA/Routing Number
old national bank aba number
old national bank aba number

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