Answer:
a bank route number
Explanation:
The routing number is among the three numbers found at the bottom of a check. The routing number is at the bottom left. It serves as an ' identity ' for your bank. The routing number enables other banks to contact your bank and collect funds from your account every time you write a check.
A routing number is a unique number for every banking institution. The number proves that the bank is a recognized financial institution with an account with the Federal Reserve.