Online Bill Payment Form Welcome to South Charleston-Nitro online bill payment. We now have online bill pay. Both locations are linked below. For more information please call us at (304) 744-1303. Thank you! South Charleston Bill Pay Nitro Bill Pay Quick Links Recent Posts Why Your Flex 125 Funds Are More Flexible Than You Think A1C vs CGM: What Every Diabetic Should Know to Protect Vision 6 Tips for Diabetics to Regulate Blood Sugar and Protect Your Vision The Vital Link Between Eye Care and Total Body Health Your Step-by-Step Guide to a Comprehensive Eye Exam