Or Validate The ABA Routing Number  
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Format of Citibank N.a. ABA Routing Code
Citibank N.a. or any banks in USA Routing Number is nine digit unique
identification number.
A routing number can have two forms
- 1. Fraction form
- 2. MICR (magnetic ink character recognition) form.
In General :
The Combination is-
2 | 1 | X | X | Y | Y | Y | Y | Z |
Federal Reserve Routing Symbol | ABA Financial Institution Identifier | Cheque Digit |
In Detail Breakdown :
The Combination is-
2 | 1 | A | A | B | B | C | D | E |
Bank's Physical Location | Federal Reserve Bank the Institution's Electronic and Wire Transfers Will Route Through | Federal Reserve Cheque Processing Center | Federal Reserve District | Chequesum |
- Within the 4 digits Federal Reserve Routing Symbol, the first two digits of the nine digits RTN must be in the ranges 00 through 12, 21 through 32, 61 through 72, or 80. The digits are assigned as mentioned below .
Popular Banks
- AMERICAN EXPRESS CENTURION BANK
- FREDONIA VALLEY BK
- STATE CS EMPLOYEES FCU
- PREMIER AMERICA CREDIT UNION
- BELMONT SAVINGS BANK
- HOWARD COUNTY EDUCATION FCU
- RIVERSIDE CREDIT UNION
- CUSTER FEDERAL STATE BANK
- THE TALBOT BANK OF EASTON, MD
- WASHITA STATE BANK
- SANTA BARBARA COUNTY FCU
- SAINT JEAN'S CREDIT UNION