National Savings Bank (NSB), is a state-owned Savings Bank in Sri Lanka. It was incorporated in Ceylon by the National Savings Bank Act No. 30 of 1971 and was granted the status of the Licensed Specialised Bank in terms of the Banking Act No. 30 of 1988. NSB has 227 branches. It also carries out postal banking with the cooperation of 643 post offices and 3,4012 sub-post offices of the Sri Lanka Post.