This standard was revised in 2003 and again in 2007 when it was split into two parts. It consists of a four character header comprising an ISO 3166-1 alpha-2 country code, followed by two check digits that are calculated using a mod-97 technique and a country-specific Basic Bank Account Number (BBAN) of up to thirty alphanumeric characters.
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.
Fields format is: SORT CODE, BANK NAME, BIC, ADDRESS INFORMATION
'160063','THE ROYAL BANK OF SCOTLAND PLC','RBOSGB2122','LONDONMARYLEBONE Chatham Customer Service Centre Western Avenue Waterside Chatham Marine ME4 4RT Phone: (845) 6014082 Chatham England'
'160079','THE ROYAL BANK OF SCOTLAND PLC','RBOSGB2121','LONDON MAYFAIR Southampton Customer Service Cent Brunswick Gate 23 Brunswick Place SO15 2AQ Phone: (2380) 836339 Southampton England'
'160080','THE ROYAL BANK OF SCOTLAND PLC','RBOSGB21604','PRIVATE BANK CHILDS Chatham Customer Service Centre Western Avenue Waterside Chatham Maritime Kent ME4 4RT Phone: (845) 6014082 Chatham England'
A Bank Code is a code assigned by a central bank, a Bank Supervisory Body or a Bankers Association in a country to all its licensed member banks. Sort code is a bank code used in British banking industry to route money transfers between banks within United Kingdom. Sorting code and BIC allocation
Members have ranges of sorting codes that they can allocate to bank offices.