IBERIABANK Address: 800 Sampson St, Westlake, LA 70669 Phone: (337) 433-7149 Banks Other Businesses: Chase Bank at 817 McKinley St, Westlake, LA 70669 Whitney Bank at 1415 Sampson St, Westlake, LA 70669 JD Bank at 1511 Sampson St, Westlake, LA 70669 Iberiabank at 2215 Sampson St, Westlake, LA 70669