How do i contact flnb customer service? Please dial our bank number 936-336-6471 to reach our Call Center for assistance. If you are out of the calling area, you can use FLNB 24 Hour Home Banking by dialing 1-888-336-5290 and transfer to our Call Center.How do i use flnb 24 hour home banking? If you are out of the calling area, you can use FLNB 24 Hour Home Banking by dialing 1-888-336-5290 and transfer to our Call Center. When using our contact form, please note that this is not a secure form; we ask you not to include non-public personal information (such as your account number).What is fnb online banking? Enjoy the easiest, most convenient electronic banking you’ve ever known! With FNB Online Banking, you can bank securely on your schedule from anywhere you have Internet access! Transfer funds, pay bills, review account activity, manage your credit and more! Review up to two years of transaction history.What are the operating hours of the fnb bank? Operating hours Secure Chat Chat directly to your team of bankers 24/7, any time, any day via Secure Chat on the FNB App Telephone Your team of bankers will be available on 087 5777 000 to help you from: 8 am to 6 pm Monday to Friday, and 8 am to 1 pm on Saturdays. Closed on Sundays and public holidays. International