What can i do with landmark online banking? Landmark Bank Online Banking offers convenient, flexible and secure access to your accounts 24 hours a day, 7 days a week. With this free service you can: Review the Online Banking Access Agreement of Terms and Conditions.Where is landmark national bank in louisburg? Located at the intersection of West Amity Street and North Metcalf Road, Landmark National Bank in Louisburg, KS, offers convenient community banking services to residents and businesses not far from U.S. 69.How many landmark national bank locations are there in kansas? Landmark National Bank has 30 locations across 24 Kansas communities to serve you. Some of our communities have more than one bank location, so be sure to zoom in on the community on the map to see each inpidual bank address. You can also see a complete list of addresses and hours under “All Locations”.How do i contact landmark customer service? For customer service support, visit our Customer Service Page. Comments and Inquiries If you have a question or comment that is not addressed on this Web site or by your local center, please write to Landmark, Attn: Harry Rosenberg, 353 Sacramento Street, Suite 200, San Francisco, CA 94111.