FedACH directory file format

Source: achFormat

Field Name	Length	Position	Description
Routing Number	9	1-9	The institution’s routing number
Office Code	1	10	Main office or branch O=main B=branch
Servicing FRB Number	9	11-19	Servicing Fed’s main office routing number
Record Type Code	1	20	The code indicating the ABA number to be used to route or send ACH items to the RFI 0 = Institution is a Federal Reserve Bank 1 = Send items to customer routing number 2 = Send items to customer using new routing number field
Change Date	6	21-26	Date of last change to CRF information (MMDDYY)
New Routing Number	9	27-35	Institution’s new routing number resulting from a merger or renumber
Customer Name	36	36-71	Commonly used abbreviated name
Address	36	72-107	Delivery address
City	20	108-127	City name in the delivery address
State Code	2	128-129	State code of the state in the delivery address
Zipcode	5	130-134	Zipcode in the delivery address
Zipcode Extension	4	135-138	Zipcode extension in the delivery address
Telephone Area Code	3	139-141	Area code of the CRF contact telephone number
Telephone Prefix Number	3	142-144	Prefix of the CRF contact telephone number
Telephone Suffix Number	4	145-148	Suffix of the CRF contact telephone number
Institution Status Code	1	149	Code is based on the customers receiver code 1 = Receives Gov/Comm
Data View Code	1	150	1 = Current view
Filler	5	151-155	Spaces