Signature Bank Address: 100 Jericho Quadrangle, STE 125, Jericho, NY 11753 Phone: (516) 690-8357 Banks Other Businesses: Bank of America at 479 N Broadway, Jericho, NY 11753 Long Island Commercial Bank at 390 N Broadway, Jericho, NY 11753 Valley National Bank at 501 N Broadway, Jericho, NY 11753 Emigrant Mortgage Co Inc at 350 Jericho Tpke, Jericho, NY 11753