Internationale Regulierungsbehörden
Die International Telecommunication Union führt auf ihrer Website ein Adressbuch regulatorischer Institutionen.
| Australien | Australian Communications and Media Authority (ACMA) |
| Belgien | Cabinet du Ministre des Télécommunications et des Entreprises et Participations publiques |
| Belgien | Belgian Institute for Postal services and Telecommunications (IBPT) |
| Bulgarien | Ministry of Transport and Communications |
| Bulgarien | Cummunications Regulation Commission (CRC) |
| Dänemark | Ministry for Science, Technology and Innovation |
| Dänemark | National IT and Telecom Agency (NITA) |
| Deutschland | Bundesministerium für Wirtschaft und Technologie |
| Deutschland | Bundesnetzagentur (vormals Regulierungsbehörde für Telekommunikation und Post / RegTP) |
| Estland | Sideamet / Estonian National Communications Board |
| Finnland | Finnish Communication Regulatory Authority (FICORA) |
| Frankreich | Autorité de Régulation des Communications électroniques et des Postes |
| Griechenland | Hellenic Telecommunications & Post Commission (NTC) |
| Großbritannien | Office of Communications (Ofcom) |
| Irland | Commission for Communications Regulation (ComReg) |
| Island | The Post- and Telecom Administration (PTA) |
| Italien | Autorità per le Garanzie nelle Comunicazioni (AGCOM) |
| Japan | Telecommunications Bureau Ministry of Public Management, Home Affairs, Posts and Telecommunications |
| Kanada | Canadian Radio-television and Telecommunications Commission (CRTC) |
| Kanada | Industry Canada |
| Kroatien | Croatian Institute of Telecommunications |
| Lettland | Latvia Telecommunication State Inspection |
| Lettland | Telecommunications Tariff Council |
| Lettland | Ministry of Transport - Department of Communications |
| Liechtenstein | Amt für Kommunikation (AK) |
| Litauen | Ministry of Transport and Communications Department of Communications |
| Litauen | Communications Regulatory Authority |
| Luxemburg | Institut Luxembourgeois des Télécommunications (ILT) |
| Malta | Ministry for Transport and Communications |
| Malta | Department of Wireless Telegraphy |
| Malta | Malta Communications Authority |
| Niederlande | Onafhankelijke Post en Telecommunicatie Autoriteit (OPTA) |
| Norwegen | Norwegian Post and Telecommunications Authority (PT) |
| Polen | Urzad Regulacji Telekomunikacji / Office of Telecommunications and Post Regulation (URTiP) |
| Portugal | Autoridade Nacional de Comunicações (ANACOM) |
| Republic of Macedonia | Agency for Electronic Communications |
| Rumänien | General Direction for Legislation and Licenses in Communication |
| Rumänien | Ministry of Communications and Information Technology |
| Rumänien | General Direction for Communication Development Strategy |
| Rumänien | National Regulatory Authority for Communications and Information Technology of Romania (ANRCTI) |
| Schweden | National Posts and Telecom Agency (PTS) |
| Schweiz | Bundesamt für Kommunikation (BAKOM) |
| Slowakei | Ministry of Transport, Posts and Telecommunications of the Slovak Republic |
| Slowakei | Telecommunications Office of the Slovak Republic |
| Slowenien | Post and Electronic Communications Agency of the Republic of Slovenia (APEK) |
| Spanien | Comisión del Mercado de las Telecommunicaciones (CMT) |
| Tschechien | Ceský telekomunikacni urád / Czech Telecommunication Office International Relations Department |
| Ungarn | Government Commissioner's Office for Infocommunication Technologies (ICT) Prime Minister's Office |
| Ungarn | Communication Authority, Hungary (HIF) |
| USA | Federal Communications Commission (FCC) |
| Zypern | Ministry of Communications and Works |