Bank Routing Number or Routing Transit Number (RTN) is a nine digit number used for identifying a financial organization for a transaction in the United States (US). The number appears on the bottom of cheque, it assists in identifying the financial organization for which the cheque was signed. It is used for the electronic routing of funds (ACH transfer) from one bank account to another.
Routing is used along with the recipients account number for domestic monetary transfers. However, to make an international inward monetary transfer, you require SWIFT code along with Routing Number and Account Number.
The Routing Number comprises of nine digit number.
Primary (01–12) |
Thrift (+20) |
Electronic (+60) |
Federal Reserve Bank |
12 | 32 | 72 | San Francisco |
11 | 31 | 71 | Dallas |
10 | 30 | 70 | Kansas City |
09 | 29 | 69 | Minneapolis |
08 | 28 | 68 | St. Louis |
07 | 27 | 67 | Chicago |
06 | 26 | 66 | Atlanta |
05 | 25 | 65 | Richmond |
04 | 24 | 64 | Cleveland |
03 | 23 | 63 | Philadelphia |
02 | 22 | 62 | New York |
01 | 21 | 61 | Boston |
The Routing Number was developed by the American Bankers Association in 1910. Initially it was designed for bundling, sorting and shipment of paper checks back to the drawer's account. With time, different payment methods were developed and the system was enlarged to assist different payment methods.
The Routing Number is mandatory for Federal Reserve Banks to process Fedwire funds transfers. It is also necessary for Automated Clearing House to process bill payments, direct deposits and other such automated transfers.