(Wikipedia) “Those chartered by the federal government (through the Office of the Comptroller of the Currency in the Department of the Treasury); by law, they are members of the Federal Reserve System”.
What is a State Bank?
“Traditional banks that are chartered by a government of one of the fifty states and which are not automatically members of the Federal Reserve System. The contrast to state banks are national banks, which are chartered by Comptroller of the Currency. State banks tend to smaller than national banks and whether justified or not tend to be slightly less prestigious. In the modern economy this distinction is less important than it was a few decades bank when state banks were subject to lesser state regulations than national banks”. Read more