A numeric digit used to ensure that account numbers are entered accurately into the computer. Check digits are computed when the numbers are generated, and they become part of the number, often at the ...

YOU’VE seen bar coded numbers on everything from milk cartons to rental cars. And long numbers on everything from credit cards to airline tickets. Of course these numbers function as identification ...

You may need to know your bank’s routing number to pay a bill online or over the phone, send money through a wire transfer or set up a direct deposit. To receive your tax refund via direct deposit, ...