Bank of Oklahoma Routing Number: A unique nine-digit code that identifies a financial institution and facilitates electronic fund transfers, such as ACH payments and wire transfers. For instance, the Bank of Oklahoma’s routing number is 102100021.
Routing numbers play a crucial role in the efficient processing of financial transactions, ensuring funds are sent and received securely and swiftly. They emerged in the early 1900s as a way to streamline the interbank exchange of paper checks, and have since become an indispensable tool in modern electronic banking systems.