
For international transactions, a bank clearing number is a crucial piece of information that ensures smooth processing of funds across borders.
A bank clearing number, also known as a Sort Code or Bank Code, is typically 8-11 digits long and is specific to each bank or financial institution.
In the UK, for instance, the Sort Code is usually 6 digits, followed by a 7-digit account number, making it a 13-digit combination.
This unique identifier helps banks identify the recipient's account and facilitates the transfer of funds.
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What is ABA?
The ABA number is a crucial piece of information in the banking world. It's a nine-digit code that's used to identify banks and financial institutions.
ABA numbers have played a significant role in speeding up check processing since the 1960s. This has greatly reduced the time it takes for checks to clear.
Physical checks could previously take a long time to reach banks, often traveling by airplane and truck. The Check 21 Act of 2003 changed this, allowing checks to be submitted and cleared electronically.
Funds clear much more quickly as a result, and consumers no longer have the luxury of "playing the float" or issuing a check a few days before they actually have the funds in their account.
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ABA Numbers in Banking

The American Bankers Association created ABA numbers in 1910 as a way to assign unique identifiers to each payment-issuing bank.
An ABA number is like an address that tells financial institutions where to find your account, and it's also known as a routing transit number (RTN) or check routing number.
You can get your account's ABA number from several sources, including the bottom of one of your checks if you have a checkbook handy.
To find your bank routing number without a check, you can call your bank or check its online banking website for the information, or use the American Bankers Association's lookup tool on its website.
US banks use different routing numbers for different types of transactions, which means the routing number on a cheque might not be the one you need for a wire transfer or direct debit, for example.
Here are some ways to find your bank routing number:
- Call your bank or check its online banking website
- Use the American Bankers Association's lookup tool on its website
- Check the bottom of one of your checks if you have a checkbook handy
ABA numbers have played an instrumental part in speeding up check processing since the 1960s, and physical checks that needed to travel by airplane and truck to reach banks could now be submitted and cleared electronically with the passage of the Check 21 Act in 2003.
ABA Numbers in Check Processing

ABA numbers have played a crucial role in speeding up check processing since the 1960s. This is because the ABA number serves as an address that tells financial institutions where to find your account.
The ABA number has made it possible for physical checks to be submitted and cleared electronically, thanks to the Check 21 Act passed in 2003. This has significantly reduced the time it takes for funds to clear, eliminating the need for consumers to "play the float" or issue checks before they have the funds in their account.
You can find your ABA number on the bottom of one of your checks, or by contacting your bank or checking their online banking website. If you don't have a check handy, you can also use the ABA lookup tool on their website.
Here are some examples of where to find your bank's routing number:
Keep in mind that US banks use different routing numbers for different types of transactions, so it's essential to check with your bank to find the correct routing number before any transfer.
MICR

In India, the MICR code plays a crucial role in the Electronic Clearing System. The MICR code consists of City Code, Bank Code, and Branch Code of three digits each, totaling nine digits.
It's used for automatic electronic reading of checks with magnetic ink character recognition printing.
BSB (in Australia)
In Australia, the BSB (Branch State Bank) code is used as a bank branch identifier. It consists of six numbers, with the first two or three digits for branch identification.
The BSB code is used for international bank transfers, alongside an account number and a SWIFT code, which is the same as a BIC code. This combination is necessary for processing through the SWIFT network.
You can find the BSB code on your bank statement and online banking account. It's also available by searching a BSB branch locator on your bank's website or using an online BSB checker tool.
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Routing Numbers
Routing numbers are a crucial part of the check-clearing process, and it's essential to understand what they are and how to find them.

A routing number, also known as an ABA number, is a nine-digit code that identifies the bank and location where an account is held. It's usually the first number on a check and is followed by the account number.
The easiest way to find your routing number is to look at the bottom of a check, if you have a checkbook handy. You can also call your bank or check its online banking website for the information.
If you don't have a check, you can use the American Bankers Association's lookup tool on its website or contact your bank directly.
There are two types of routing numbers: ACH routing numbers and SWIFT codes. ACH routing numbers are used for domestic transfers in the US, while SWIFT codes are used for international transfers.
Here's a quick summary of the key facts:
The Check 21 Act of 2003 allowed banks to clear checks electronically, reducing the time it takes for funds to clear and eliminating the "float" that used to be available when issuing a check a few days before having the funds in your account.
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International Banking

International banking can be confusing, but it doesn't have to be. The US uses SWIFT codes for international transfers, which is different from Europe where IBANs are used.
In the US, ABA numbers are specific to domestic banking and aren't used for international banking.
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IBAN vs SWIFT
When you're making an international payment, you'll need to know the difference between your IBAN and SWIFT code. Your IBAN identifies the individual bank account you're using to make the transfer.
One key distinction between the two is that your IBAN is longer than your SWIFT code. Your IBAN code is used to identify the specific account you're transferring from, while your SWIFT code is used to verify the bank itself.
Your SWIFT code is much shorter than your IBAN and serves a different purpose. It's used to identify a specific bank to verify international payments, not the individual account.
Your IBAN and SWIFT code are two separate pieces of information that are often confused with each other.
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Swift

So you're looking to send some money internationally? You'll need to know about SWIFT codes. A SWIFT code is used worldwide for money transfers between banks, and it's an eight to 11 digit code of alphanumerics.
It's like a postcode for your bank, making sure your international transfer is sent to the right place. Without your SWIFT code, your transaction won't happen.
A SWIFT code consists of a four-letter bank code, a two-letter country code, and a two-character location code for your bank's head office. It may also include an optional three-character branch code.
Here's a breakdown of what your SWIFT code might look like:
- A four-letter bank code
- A two-letter country code
- A two-character location code (letters and digits) for your bank's head office
- An optional three-character branch code (letters and digits)
If you're sending an international transfer to or from the US, you'll need the US bank's routing number, as well as the SWIFT code.
To Import Swiss
To Import Swiss bank clearing numbers, you'll need to follow these steps.
First, choose the icon and enter Bank Directory, then choose the related link. This will take you to the Import Bank Directory action.
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Next, select the Automatically Update Clearing Numbers field on the Options FastTab to update the bank clearing numbers automatically.
Choose the ... button to open the .txt bank clearing number file, which you can download from the SIX Interbank Clearing website.
You can either choose the Print button or the Preview button to import the bank clearing numbers. If you choose the Print button, the contents of the file will be printed. If you choose the Preview button, the Bank Directory table will be updated and a report that has clearing numbers that have changed will be displayed.
Finally, on the Open page, locate the file that you have downloaded and choose the Open button.
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Hong Kong
Hong Kong uses a unique bank code for domestic transactions, which is a three-digit number that identifies the bank name.
This code is combined with the branch code and bank account number to facilitate bank transfers within the territory.
For international transactions, Hong Kong uses the SWIFT code and IBAN, which are widely recognized and used globally.
These codes enable seamless transactions between banks in different countries, making international banking a smoother process.
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New Zealand BSB

New Zealand BSB is a unique six-digit code that identifies a bank and its specific branch location. It's used for wire transfers and is made up of the first two digits for the bank and the last four digits for the branch.
To make a wire transfer to New Zealand, you'll need the BSB code, which is a crucial piece of information. The BSB code is essential for transferring funds to the right account.
The BSB code is made up of six digits, with the first two digits representing the bank and the last four digits representing the branch. This is a standard format used in New Zealand for banking transactions.
You'll also need the seven-digit account number and the suffix of two or three digits to complete the wire transfer. This information is usually provided by the recipient's bank.
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Difference Between IBAN and ABA
When sending or receiving international payments, you might come across two types of numbers: IBAN and ABA. IBANs are used for international bank routing throughout much of Europe.
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The U.S. does not use IBANs for international banking, but rather relies on alternative systems. In fact, the U.S. uses SWIFT codes for international transfers.
IBANs are specific to certain regions, whereas ABA numbers are specific only to the U.S. This means ABA numbers are not recognized outside the U.S.
Understanding the difference between IBAN and ABA is crucial for international banking transactions.
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Account and Routing Numbers
The routing number is usually the first, bottom-left number on your check and is followed by the account number. It's always nine digits long.
In the United States, the bank code for financial transactions combines a routing number and a bank account number. They're printed in MICR ink on the bottom of each check, with the routing number to the left of the bank account number.
The check number is to the right of the routing number and bank account number. MICR is magnetic ink character recognition, used by computers to read the numbers automatically.

The routing number is also printed on the top right of the check, in a different format shown as a fraction. This fraction format is used as a backup number to process checks if the MICR printing can’t be read.
An ACH routing number or ABA routing number is a nine-digit ID that’s only used for domestic transfers in the US.
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Applicable to Multiple Accounts
Bank clearing numbers are used in various bank accounts across different banks.
Some banks use a 4-digit clearing number beginning with 5, followed by 7 digits.
The clearing number 9570 is followed by 10 digits, and if there are less than 10 digits in the account number, it's topped up with zeros after the clearing number.
Clearing numbers 9300 or 9330 are also followed by 10 digits, with zeros added if necessary.
A 4-digit clearing number beginning with 6 is followed by account numbers of 9 digits, with a zero added before the account number if it has only 8 digits.
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The clearing number 3300 is used for personal accounts, consisting of the clearing number and social security number.
Some banks, like Nordea, use a 4-digit clearing number starting with 1, 3, or 4, followed by 7 digits.
Other banks, such as Skandiabanken, Ikano Bank, and Danske Bank, have a similar structure, with a 4-digit clearing number followed by 7 digits.
Checking Your Numbers
You can easily find your account's ABA number by checking your checkbook. Look for the numbers at the bottom of one of your checks.
The ABA number is typically printed on the bottom of the check, usually in the lower left corner.
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Frequently Asked Questions
How do I find my bank clearing code?
Check the back of your debit card or bank statement for the National Clearing Code, or contact your financial institution to request it
Is bank clearing code same as routing number?
A bank clearing code is also known as a Routing Code, and is similar to a routing number, but the terms are not always used interchangeably. Understanding the difference between these codes can help ensure smooth international transactions.
Is BIC same as bank clearing code?
No, a BIC (SWIFT code) is not the same as a bank clearing code, although it's often used for international payments outside the EU. If you're making a payment within the EU, you may need a clearing code, but not a BIC.
Sources
- https://www.thebalancemoney.com/what-is-an-aba-number-and-where-can-i-find-it-315435
- https://tipalti.com/en-uk/payments-hub/bank-code/
- https://learn.microsoft.com/en-us/dynamics365/business-central/localfunctionality/switzerland/how-to-import-swiss-bank-clearing-numbers
- https://intra.kth.se/en/forskning/extern-forskningsfin/sok-stipendier/information-om-ansok/instruktion-for-att-ange-kontonummer-1.1040686
- https://www.clearcurrency.co.uk/stories/whats-the-difference-between-iban-swift-bic-and-routing-numbers
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