Bank Code Verified

271989756, Routing Number for GREAT LAKES CREDIT UNION, NORTH CHGO, IL

Routing Number: 271989756

Date of Revision: 030212


Address: 2525 GREENBAY ROAD


State: IL

Zip: 60064

Phone: (847) 578-7000

Understanding Routing Numbers and Their Significance

in Banking TransactionsWhen it comes to banking transactions, routing numbers play a vital role in ensuring that funds are transferred accurately and efficiently. In this article, we will explore the concept of routing numbers and delve into their significance in the world of banking.

Additionally, we will take a closer look at the history and background of Great Lakes Credit Union, shedding light on its journey and growth over the years. Topic 1: Understanding Routing Numbers and Their Significance

in Banking Transactions

What are Routing Numbers? Routing numbers, also known as ABA (American Bankers Association) numbers or transit numbers, are unique identification numbers assigned to financial institutions within the United States.

Each routing number is unique to a specific bank or credit union, enabling the smooth flow of funds during various transactions. The Structure of Routing Numbers:

A routing number consists of nine digits and is divided into three parts.

The first four digits represent the Federal Reserve routing symbol, which identifies the Federal Reserve Bank that serves the financial institution. The next four digits indicate the bank or credit union itself, while the final digit is a checksum that helps validate the accuracy of the routing number.

Significance of Routing Numbers:

Routing numbers facilitate several types of banking transactions, including direct deposits, electronic bill payments, wire transfers, and automated clearinghouse (ACH) transfers. These numbers enable the financial system to identify the originating and receiving banks, ensuring that transactions are processed correctly.

Additionally, routing numbers are essential for international wire transfers, where additional intermediaries may be involved. Protecting Personal Information:

One critical aspect of routing numbers is that they should be handled with utmost care.

Sharing this information with unauthorized individuals or entities can result in identity theft or fraudulent transactions. It is always advisable to verify the authenticity of recipients or sources before sharing your routing number.

Topic 2: A Brief History of Great Lakes Credit Union

The Birth of Great Lakes Credit Union:

Great Lakes Credit Union (GLCU) was established in 1938, during a time of economic transition in the United States. It was founded by a group of teachers who sought to create a financial institution that would provide better access to banking services and support the local community.

Initially named “Lake County Teachers Credit Union,” the organization underwent several name changes before settling on its current name – Great Lakes Credit Union. The Growth and Expansion:

Over the years, GLCU grew steadily, expanding its services beyond the education sector to serve a broader range of individuals and businesses.

This growth was fueled by a commitment to member satisfaction and community involvement. Branches were opened in various locations, offering a comprehensive range of financial products and services, including savings accounts, checking accounts, loans, mortgages, and investment options.

Strong Community Focus:

One of the defining aspects of Great Lakes Credit Union is its strong community focus. The institution actively participates in local events, supports charitable initiatives, and partners with local organizations to provide financial education and resources to the community.

By investing in the well-being of its members and the areas it serves, GLCU has built a reputation for being more than just a financial institution. Adapting to Technological Advancements:

As technology advanced and online banking became increasingly popular, Great Lakes Credit Union embraced these changes to provide convenience and ease to its members.

Online banking platforms, mobile apps, and enhanced digital security features were implemented to ensure that members could access their accounts and perform transactions securely from anywhere, at any time. Conclusion:

Understanding routing numbers and their significance in banking transactions is crucial for individuals looking to navigate the financial world efficiently.

By grasping the role routing numbers play in facilitating various transactions, individuals can safeguard their personal information and ensure smooth fund transfers. Furthermore, learning about the history and growth of financial institutions like Great Lakes Credit Union allows us to appreciate the community-focused approach and commitment to member satisfaction demonstrated by such organizations.

Topic 3: Key Functions of Routing Numbers

Routing numbers serve several key functions within the banking industry. Let’s explore these functions in more detail:


Identification of Financial Institutions:

Routing numbers play a crucial role in identifying specific financial institutions. Each bank or credit union in the United States is allocated a unique routing number that distinguishes it from other institutions.

This identification is essential for ensuring accurate and secure fund transfers between banks. 2.

Routing of Paper Checks:

In the age of digital transactions, paper checks may seem outdated, but they are still widely used for certain purposes. When a paper check is deposited at a bank, the routing number helps in the smooth routing of the check to the correct financial institution.

This process involves the check being sent to a clearinghouse, which uses the routing number to determine the appropriate destination for the funds. 3.

Facilitation of Direct Deposits:

Direct deposits have become an increasingly popular method for receiving payments, including salaries, pensions, and government benefits. When an employer or a government agency initiates a direct deposit, they require the recipient’s routing number to ensure the funds are sent to the correct financial institution.

4. Processing of Electronic Bill Payments:

Electronic bill payment systems have simplified the way we manage and pay our bills.

Routing numbers are an integral part of these systems, as they enable the electronic transfer of funds from a payer’s bank account to a creditor’s account. By entering the routing number, along with the account number, individuals authorize payments to be made electronically.

5. Authorization of Automated Clearinghouse (ACH) Transfers:

ACH transfers are commonly used for various types of payments, such as monthly bill payments, loan repayments, and electronic fund transfers between banks.

Routing numbers are used to authorize and facilitate these transfers, ensuring that funds are moved securely and accurately between financial institutions. Topic 4: The Role of Routing Numbers in Bank Transactions

Routing numbers play a vital role in ensuring the smooth execution of bank transactions.

Let’s delve deeper into their role in various types of transactions:

1. Domestic Wire Transfers:

Routing numbers are crucial for domestic wire transfers, which involve the movement of funds between different financial institutions within the United States.

When initiating a wire transfer, the sender must provide the recipient’s routing number to ensure the funds reach the correct bank or credit union. Routing numbers are particularly important in wire transfers, as they help to route the funds quickly and accurately.

2. International Wire Transfers:

Routing numbers also come into play when sending or receiving international wire transfers.

In international transfers, intermediary banks are often involved to facilitate the movement of funds across borders. The routing number helps the intermediary banks identify the originating and receiving banks, ensuring that the funds are properly routed throughout the transfer process.

3. Account Verification:

Routing numbers are frequently used to verify the authenticity of bank accounts.

Many online services require individuals to enter their routing number, along with their account number, to ensure that the account belongs to the person initiating the transaction. This additional layer of security helps protect individuals from potential fraud and ensures that payments are sent to the correct accounts.

4. Facilitation of Automated Transactions:

Automated transactions, such as recurring payments and scheduled transfers, rely on routing numbers to ensure that the funds are moved efficiently.

Whether it’s a monthly mortgage payment or a scheduled transfer from one bank account to another, routing numbers are essential in automating these transactions, saving individuals time and effort. 5.

Streamlining Deposit Processes:

When depositing funds into an account, whether through an ATM or in person, the routing number is often required. By providing the routing number, individuals ensure that the funds are credited to the correct financial institution and account, streamlining the deposit process and reducing the risk of errors.


Understanding the key functions and roles of routing numbers is essential for individuals navigating the world of banking transactions. From identifying financial institutions to facilitating direct deposits and electronic payments, routing numbers are the backbone of seamless fund transfers.

Whether it’s a domestic or international wire transfer, verifying bank accounts, or automating transactions, routing numbers play a vital role in ensuring the accuracy and security of banking transactions.

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