Other national and state level organizations involved with the telecommunications industry include:
 
Federal Communications Commission
The Federal Communications Commission regulates interstate and international communications by radio, television, wire, satellite, and cable in all 50 states, the District of Columbia and U.S. territories. An independent U.S. government agency overseen by Congress, the Commission is the federal agency responsible for implementing and enforcing America’s communications law and regulations.

National Telecommunications and Information Administration
National Telecommunications and Information Administration (NTIA) is the Executive Branch agency that is principally responsible for advising the President on telecommunications and information policy issues. NTIA’s programs and policy-making focus largely on expanding broadband Internet access and adoption in America, expanding the use of spectrum by all users, and ensuring that the Internet remains an engine for continued innovation and economic growth.

North American Number Plan Administration
North American Number Plan Administration (NANPA) holds overall responsibility for the neutral administration of NANP numbering resources, subject to directives from regulatory authorities in the countries that share the NANP. NANPA's responsibilities include assignment of NANP resources, and, in the U.S. and its territories, coordination of area code relief planning and collection of utilization and forecast data. Select the following link to view the Nationwide Telephone Area Code Map.

South Carolina Telecommunications and Broadband Association 
Founded in 1934 as the South Carolina Telephone Association, the purpose of the South Carolina Telecommunications and Broadband Association (SCTBA) is to pursue statewide strategies that encourage the deployment of technologies that will enable SCTBA members to be the best providers of telecommunication and broadband products and services to South Carolina.