Savings Institute Bank and Trust Company, North Windham Wal-Mart Branch Basic Info Reviews Routing Numbers Map & Direction Name: Savings Institute Bank and Trust Company, North Windham Wal-Mart Branch Main Office: No Service: Full Service Retail Office Location: 474 Boston Post Road North Windham, Connecticut 06256 Windham County View other branches Phone: 860-450-7037 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer011104283YN011501598YN211174181YY211174301YN211572615YN From: To: