A routing quantity, also called a routing transit quantity (RTN), is a nine-digit code that identifies a particular monetary establishment in the US. It’s used to direct digital funds transfers (EFTs) between banks and credit score unions. For instance, the routing quantity for BMO Harris Financial institution is 071000022.
Routing numbers are essential for making certain that funds are transferred to the right account. Additionally they facilitate interbank communication and allow numerous monetary transactions, comparable to wire transfers, direct deposits, and automatic clearing home (ACH) funds. Traditionally, routing numbers had been launched by the American Bankers Affiliation (ABA) within the 1910s to standardize the EFT course of.