The checksum enables the initiator of any transaction to perform a sanity check of any specified bank account number on their own computer prior to actually initiating a request. The Extended Industry Sorting Code Directory (EISCD) The EISCD is a comprehensive database of payments-related information for financial institutions participating in the UK Payment Schemes: Bacs, CHAPS, Faster Payments and Cheque and Credit Clearing. The BBAN, whose format is decided by the national banking community, includes the domestic bank account number, branch identifier and potentially routing information, the only restrictions being that it must be of fixed length and that only case-insensitive alphanumeric characters are used.

Bank NameSort CodeCityAddress & Info
MARSDEN BUILDING SOCIETY 235620 Equivalent Codes: 23-56-20 23 56 20 Nelson CUSTOMER ACCOUNTS 6-20 Russell St, Lancs., BB9 7NJ, Phone: (1282) 440500, Nelson England
MARSDEN BUILDING SOCIETY 406170 Equivalent Codes: 40-61-70 40 61 70 Nelson RUSSELL STREET LANCASHIRE 6-20 Russell St, Lancs., BB9 7NJ, Phone: (1282) 440500, Nelson England
MARSDEN BUILDING SOCIETY 609495 Equivalent Codes: 60-94-95 60 94 95 Neslon NELSON LANCASHIRE 6-20 Russell Street, Lancashire, BB9 7NJ, Phone: (1282) 440500, Neslon England