Berkshire Bank Address: 49 State Route 296, Windham, NY 12496 Phone: (518) 734-3991 Banks, Mortgages, Loans Other Businesses: Ulster Savings Bank at 5494 State Route 23, Windham, NY 12496 Key Bank at 5387 State Route 23, Windham, NY 12496 KeyBank at 5387 Main St, Windham, NY 12496 Mountain Valley Realty at 5275 State Route 23, Windham, NY 12496