A routing number is a more-than-century old innovation used by the nation’s banking system to efficiently transfer funds from bank to bank. It is a crucial ingredient in how you receive your ...

What Is a Social Security Number (SSN)? The term Social Security number (SSN) refers to a numerical identifier assigned to U.S. citizens and other residents to track income and determine benefits.

The magnetic ink character recognition (MICR) line is the strip of characters on a check that identifies the account, routing, and check number.