Search Bank Routing Numbers

Bank routing number or routing transit number (RTN, ABA) is a 9 digit number used to identify a financial banking institution in a transaction (location of bank where your account was opened).

Most common types of transaction are ACH and wire transfers. Some banks and financial institutions usually have multiple routing numbers serving different purposes, geographical regions and branches.

It's also referred to as an RTN, a routing transit number or an ABA routing number and can be easily be found printed on the bottom of a check. They can also be found in the online banking portals of the financial institutions.

If during your search, you're not sure which routing number to use contact your bank directly. You can call your bank using the phone number listed on your debit/credit card or send a message through the online banking system.

Below, you can search for bank routing numbers by their name, location (state, or state and city), or routing number.

List of popular Banks by amount of routing numbers

19. US BANK NA - 47
32. TD BANK NA - 36
33. FIRST BANK - 35
37. KEY BANK - 33
39. M & T BANK - 33
43. FIRSTBANK - 29
75. US BANK - 20
83. INTERBANK - 18
85. NBH BANK - 18
86. UMB, NA - 18
105. BYLINE BANK - 14
108. ARVEST BANK - 14
117. S & T BANK - 13
129. CITIBANK NA - 12
146. CATHAY BANK - 11