HUNTSVILLE, Ala.--(BUSINESS WIRE)--ADTRAN®, Inc., (NASDAQ: ADTN), a leading provider of next-generation networking solutions, announced that Twin Valley of Kansas is joining its Enabling Communities, Connecting Lives campaign. Recognized by NTCA- The Rural Broadband Association as a Smart Rural Community – which recognizes commitment to promoting rural broadband networks and applications – Twin Valley is proactively investing in the future of its service areas by deploying the ADTRAN Gigabit br