Here’s Your Bank of Oklahoma Routing Number
You need to know your routing number to make a wire transfer.Routing numbers are easy to identify. Keep reading to find out what Bank of Oklahoma’s routing number is and how to use it.
Bank of Oklahoma Routing Number
Bank of Oklahoma uses only one routing number. This is the number you’ll provide every time you make a wire transfer:
Bank of Oklahoma Routing Number |
103900036 |
Related: What Are BOK Financial’s Hours?

What Is a Routing Number?
Routing numbers are a string of nine digits that identify banks and credit unions in the U.S. The American Bankers Association introduced routing numbers in 1910 as a way to identify the end point where a check is processed. Their uses have expanded significantly since then, with bank customers now using them to order checks and set up online payments.
Read More: What Is a Routing Number: What They Are and How To Find Them
Can Banks Have Multiple Routing Numbers?
If banks operate in more than one state, it’s possible they use multiple routing numbers. Big national banks such as Wells Fargo, Citibank and Bank of America use different routing numbers for customers in different states. The one you use depends on where you opened the account. Bank of Oklahoma customers only need to remember one routing number, however.
How Do You Find a Routing Number on a Check?
You’ll find the routing number in the bottom-left corner of checks. Three numbers are printed on the bottom of every check. The first is always the routing number, followed by the account number and individual check number.
Now Learn: How To Write a Check in 6 Easy Steps
What Is the Routing Number for International Transfers?
When you’re wiring money internationally you’ll use a SWIFT code rather than a routing number. This code functions the same as routing numbers, but for foreign banks. Here’s the SWIFT code for Bank of Oklahoma:
Bank of Oklahoma SWIFT Code |
BAOKUS44 |
For any more questions about your Bank of Oklahoma routing number or SWIFT code, you can contact the bank at 800-234-6181.
Demystifying SWIFT Codes: What They Are and How To Find Them
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