All institutions will have at least one unique identifier.
The FDIC Certificate ID is a number assigned to each head office depository institution by the Federal Deposit Insurance Corporation(FDIC).
The Legal Entity Identifier(LEI) is a 20-digit alpha-numeric reference code to uniquely identify a legally distinct entity that engages in a financial transaction.
The NCUA Charter number is assigned to credit unions including corporate central credit unions by the National Credit Union Administration for all NCUA-insured credit unions and some non-federally insured credit unions.
The OCC Charter number is assigned by the Office of the Comptroller of the Currency to all entities to which it grants a charter.
Routing Transit Number(RTN) is a unique identifier assigned to financial institutions by the American Bankers Association(ABA).
The federal tax identification number (also known as an employer identification number or EIN) is a nine-digit number assigned solely to a business by the Internal Revenue Service.