ABA transit numbers, also known as ABA routing or routing transfer numbers, are used to identify specific U.S. financial institutions and appear on standard checks. Basically, it is a nine-digit ...

This may mean supplying your Social Security or ... account number matters for managing your daily finances. A bank transit ABA number is a nine-digit number that differentiates one financial ...

The complete check routing number is also its ABA transit number ... The denominator is 0312, meaning it is in the third federal district, or the Reserve Bank of Philadelphia.

Banks first started using these numbers based on a system set up by the American Bankers Association in 1910 (that’s why they are formally called “ABA routing transit numbers”). If you are ...