Signature Bank Share: Banks & Credit Unions Signature Bank Visit Website 2365 Iron Point Rd Folsom , CA 95630 (503) 367-4059 LinkedIn About Map About Signature Bank® (NASDAQ: SBNY) is a full-service commercial bank with private client offices throughout the New York Metropolitan area, Connecticut, North Carolina and California. What's Nearby? Distance: 5 10 15 20 25 50 mi.