Amends GS 160A-340.2 to provide that the Davidson and Mooresville joint agency providing communication service also includes the economic development sites, public safety facilities, governmental facilities, and education schools and colleges located within the Statesville corporate boundaries and the corridors between Mooresville and Statesville and these sites. Provides limitations on corridor width. Requires the Iredell County Board of County Commissioners to vote to approve service extension to any governmental economic development site, governmental facility, school, or college owned by the county. Requires the Iredell County School Board to also vote to approve service extension to its schools.