Bank Code Verified

123307583, Routing Number for HERITAGE BANK, OLYMPIA, WA

Routing Number: 123307583 (Please note that this number is no longer in service. Kindly refer to the new Routing Number provided below)

New Routing Number: 325170835

Date of Revision: 111210


Address: PO BOX 1578


State: WA

Zip: 98507

Phone: (360) 943-1500

Understanding Routing Numbers and Their Significance in Banking TransactionsWhen it comes to banking transactions, routing numbers play a crucial role in ensuring smooth and secure transfers of funds. These unique nine-digit numbers, assigned to each financial institution, serve as identifiers that facilitate the efficient movement of money between banks.

In this article, we will explore the significance of routing numbers and delve into the fascinating world of banking. We will also take a closer look at the Heritage Bank and its rich history.

So, let’s dive in!

Topic 1: Understanding Routing Numbers

1. What are Routing Numbers?

Routing numbers are a set of nine-digit codes used to identify a specific bank or credit union when processing financial transactions. Each routing number is unique to a particular financial institution, serving as a digital address for the bank or credit union.

2. How are Routing Numbers Used?

Routing numbers are primarily used in electronic transactions, such as direct deposits, wire transfers, and ACH (Automated Clearing House) transactions. When you initiate a transaction, your bank uses the routing number to identify the recipient’s financial institution and ensure that the funds reach the intended destination.

3. The Structure of Routing Numbers

Routing numbers follow a specific format to ensure consistency and accuracy.

The first four digits represent the Federal Reserve routing symbol, which corresponds to the geographic location of the bank. The next four digits are the American Bankers Association (ABA) institution identifier, unique to each bank.

The ninth digit, known as the check digit, is used to verify the accuracy of the routing number. 4.

Finding Your Bank’s Routing Number

To find your bank’s routing number, you can refer to your checks or contact your bank directly. Routing numbers are often printed on the bottom left corner of checks, alongside your account number and check number.

Topic 2: A Brief History of Heritage Bank

1. The Birth of Heritage Bank

Heritage Bank, headquartered in Olympia, Washington, has a rich history that spans over a century.

It was initially established in 1927 as the “Bank of Washington” and has since undergone several mergers and name changes to become the Heritage Bank we know today. 2.

Growth and Expansion

Throughout the years, Heritage Bank has steadily grown and expanded its reach, catering to the financial needs of individuals and businesses across Washington, Oregon, and Idaho. With a commitment to personalized service and community involvement, Heritage Bank has solidified its position as a trusted financial institution in the Pacific Northwest.

3. Commitment to the Community

One of the distinguishing features of Heritage Bank is its deep-rooted commitment to the communities it serves.

Through various philanthropic initiatives and partnerships with local organizations, Heritage Bank contributes to the betterment of society and supports causes that make a difference. 4.

Embracing Technological Advancements

While Heritage Bank prides itself on its rich history and community focus, it also recognizes the importance of embracing technology to meet the evolving needs of its customers. With convenient online and mobile banking services, Heritage Bank ensures that its customers have access to modern banking tools while maintaining a personal touch.


Routing numbers are the lifeblood of secure and efficient banking transactions, ensuring that funds are transferred accurately and promptly between financial institutions. Understanding these unique identifiers is essential for anyone involved in electronic transactions.

As we explored Heritage Bank’s journey, we witnessed how a bank with a strong commitment to community and a willingness to adapt to technological advancements can thrive and remain relevant throughout the years. So, the next time you make a financial transaction, remember how routing numbers and banks like Heritage Bank work together to make it possible.

Topic 3: Key Functions of Routing Numbers

Routing numbers serve several important functions that are essential for the smooth operation of banking transactions. Let’s delve into the key functions of routing numbers and understand their significance:


Identification of Financial Institutions

The primary function of routing numbers is to identify the financial institution involved in a transaction. Each bank has a unique routing number assigned to it, allowing other banks to accurately identify and route funds to the correct destination.

This identification process ensures that the funds reach the intended recipient without any errors or delays. 2.

Determination of Transaction Type

Routing numbers also help determine the type of transaction being performed. Different types of transactions, such as check payments, wire transfers, or direct deposits, require different routing numbers.

By using the appropriate routing number, banks can distinguish between different types of transactions and process them accordingly. 3.

Facilitation of ACH Transactions

The routing number is a crucial component in Automated Clearing House (ACH) transactions. ACH transactions involve the electronic transfer of funds between different banks, and routing numbers are used to direct these transfers accurately.

Whether it’s paying bills online, receiving government benefits, or making direct deposits, ACH transactions rely on routing numbers to ensure the funds are routed to the correct accounts. 4.

Verification of Bank Accounts

Routing numbers play a role in verifying the legitimacy of bank accounts. When you provide your routing number along with your account number for a transaction, the receiving bank can verify whether the routing number corresponds to the bank you claim to be associated with.

This verification process helps prevent fraudulent activity and ensures the security of transactions. 5.

Integration with Check Processing

In check payments, routing numbers are essential for the processing and clearing of checks. When you write a check, your routing number is printed at the bottom left corner, allowing the receiving bank to identify which bank should be debited for the funds.

The routing number is also used during the check-clearing process to ensure that the funds are transferred accurately between banks. Topic 4: The Role of Routing Numbers in Bank Transactions

Routing numbers play a crucial role in various bank transactions, ensuring that funds are transferred securely and efficiently.

Let’s explore the role of routing numbers in some common bank transactions:

1. Direct Deposits

When you receive a direct deposit, routing numbers are used to identify your bank and direct the funds from the sender’s bank to your account.

Whether it’s your salary, government benefits, or tax refunds, routing numbers ensure that the funds are deposited accurately into your account without any delays. 2.

Wire Transfers

When you initiate a wire transfer, routing numbers are essential for both domestic and international transfers. For domestic wire transfers, the routing number helps identify the recipient’s bank and ensures the funds are directed to the correct account.

In international wire transfers, routing numbers are combined with international banking codes to facilitate seamless cross-border transactions. 3.

Online and Mobile Banking

Whether you’re paying bills online, transferring funds between accounts, or sending money to friends, routing numbers are integral to online and mobile banking transactions. By providing the correct routing number, you can ensure that the funds are directed to the right account within the recipient’s bank.

4. Automatic Bill Payments

Many individuals and businesses set up automatic bill payments to ensure timely payment of recurring bills.

When you authorize automatic bill payments, routing numbers are used to identify your bank and transfer the funds from your account to the biller’s account on a specified date. Routing numbers facilitate seamless bill payments without the need for manual intervention.

5. Electronic Fund Transfers

Electronic fund transfers, whether initiated online or through mobile banking apps, rely on routing numbers to facilitate the secure transfer of funds.

By providing the correct routing number along with the recipient’s account number, you can ensure that the funds are transferred accurately and promptly.


Routing numbers are vital components of banking transactions, enabling the secure and efficient transfer of funds between financial institutions. By understanding the key functions of routing numbers and the role they play in various bank transactions, you can navigate the complex world of banking with confidence.

So, whether you’re making a direct deposit, initiating a wire transfer, or setting up automatic bill payments, remember the importance of routing numbers in ensuring smooth and seamless financial transactions.

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