Contact Us Gulf Coast Bank offers a variety of ways for you to contact us, please see below. To stay updated with Gulf Coast Bank's services, products, community involvement, and promotions, please subscribe to our marketing e-mail list today. General Inquiries Our Customer Service Department M-F 8:30AM-5PM at 1-800-223-2060 or 504-561-6124, or fill out our online contact form. If you wish to contact Gulf Coast Bank by mail please use the following address: 200 St. Charles Avenue, New Orleans, LA 70130. For branch locations, please visit our locations page. Traveling outside the United States Please notify your local branch or our Customer Service Department at 1-800-223-2060 today so that you can conveniently & securely use your Debit Card. You can also email us at firstname.lastname@example.org. Bank Holidays For bank holidays, click here to download a 2016 Gulf Coast Bank calendar today.