U.S. National Regulators

• Non-Federal-Government Users: Federal Communications Commission (FCC)
• Federal Government Users: National Telecommunications and Information Administration (NTIA)

International Regulators

• Angola: Instituto Angolano das Comunicações (INACOM) (Portuguese only)
• Antigua and Barbuda: Ministry of Information, Broadcasting and Telecommunications
• Argentina: Secretaría de Comunicaciones (Spanish only)
• Armenia: Ministry of Transport and Communication (No significant telecom information)
• Australia: Australian Communications and Media Authority (ACMA)
• Austria: Regulatory Authority for Broadcasting and Telecommunications (RTR)
• Azerbaijan: Ministry of Communication and Information Technologies (CITM)
• Bahamas: Utilities Regulation and Competition Authority (URCA)
• Bahrain: Telecommunications Regulatory Authority (TRA)
• Belarus: Ministry of Communications and Informatization
• Belgium: Institute for Postal Services and Telecommunications (BIPT)
• Bosnia and Herzegovina: Communications Regulatory Authority (CRA)
• Botswana: Botswana Telecommunications Authority (BTA)
• Brazil: Agéncia Nacional de Telecomunicações (ANATEL) (Portuguese only)
• Brunei: Ministry of Communications (Limited telecom information)
• Bulgaria: Communications Regulation Commission (CRC)
• Canada: Industry Canada
• Chile: Ministerio de Transportes y Telecomunicaciones, Subsecretaría de Telecomunicaciones (Subtel) (Spanish only)
• Finland: Finnish Communications Regulatory Authority (FICORA)
• France: Autorité de Régulation des Communications Électroniques et des Postes (ARCEP)
• Hong Kong Special Administrative Region: Office of the Telecommunications Authority (OFTA)
• Ireland: Commission for Communications Regulation (ComReg)
• Japan: Ministry of Internal Affairs and Communications (MIC)
• Mexico: Comisión Federal de Telecomunicaciones (COFETEL) (Spanish only)
• Portugal: Autoridade Nacional de Comunicações (ANACOM)
• South Africa: Independent Communications Authority of South Africa (ICASA)
• United Kingdom: Ofcom

International & Regional Spectrum Coordination Entities

• International: International Telecommunication Union (ITU)
• Americas: Inter-American Telecommunication Commission (CITEL)
• Asia-Pacific: Asia-Pacific Telecommunity (APT)
• Europe: European Conference of Postal and Telecommunications Administrations (CEPT)
• Europe: European Communications Office (ECO)

Associations

• National Spectrum Managers Association A voluntary international association of microwave radio/wireless and satellite frequency coordinators, licensees, manufacturers and regulators.

Spectrum News, Blogs, and Resources

• CommLawBlog Information, analysis & discussion on recent developments in communications law & regulation, from the fine folks at Fletcher, Heald & Hildreth
• OpenSpectrum.info Exploring the use of technology to reduce or eliminate the need for governments to micro-manage wireless communication.
• RadioReference.com The world's largest radio communications data provider, featuring a complete frequency database, trunked radio system information, and FCC license data
• Spectrum Dashboard FCC's portal that allows citizens to search spectrum in the United States
• SpectrumTalk The independent blog on spectrum policy issues that welcomes your input on the key policy issues of the day, by Michael Marcus
• World Radiocommunication Report The leading independent news source on global regulations