Branch Locations Gulf Coast Bank & Trust Company has 18 branch locations across Southeast Louisiana. For bank holidays, click here to download a 2015 Gulf Coast Bank calendar today. Contact us today if you have any questions. Looking for an ATM? To find a convenient, charge-free ATM in the Community Cash ATM network, you can visit the Community Cash Network website. Or, you can download the Community Cash App to your iPhone and iPad. Free Educational Seminars! Gulf Coast Bank is excited to offer free seminars on subjects including understanding the importance of a will, all you need to know about a reverse mortgage, social security, and more. Click here for upcoming seminars. 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 & securly use your Debit Card. You can also email us at firstname.lastname@example.org.