A Citibank routing number is a unique nine-digit code used to identify the specific financial institution or branch that processes your electronic financial transactions, such as a wire transfer or an automatic bill payment. For example, the routing number for Citibank’s main branch in New York City is 021000089.
This number is essential for ensuring that your money is correctly routed to the intended recipient. It also plays a crucial role in the ACH (Automated Clearing House) network, which facilitates electronic payments between banks and other financial institutions.