International institutions
EU postal regulators and UK regulator
- Rundfunk & Telekom Regulierungs (RTR) (Austria)
- Belgian Institute for Postal Services and telecommunications (BIPT) (Belgium)
- Communications Regulaton Commission (CRC) (Bulgaria)
- Office of the Commissioner of Electronic Communications and Postal Regulation (Cyprus)
- Czech Telecommunication Office (CTU) (Chech Republic)
- Postal Supervisory Department (Denmark)
- Estonian Competition Authority (Estonia)
- Finnish Communications Regulatory Authority (Finland)
- Autorité de régulation des communications électroniques et des postes (France)
- Hellenic Telecommunications & Post Commission (EETT) (Greece)
- Hrvatska regulatorna agencija za mrežne djelatnosti (HAKOM) (Croatia)
- AGCOM (Italy)
- Commission for Communications Regulation (ComReg) (Ireland)
- Public Utilities Commission (PUC) (Latvia)
- The Communications Regulatory Authority (Lithuania)
- Institut Luxembourgeois De Regulation (ILR) (Luxemburg)
- National Media and Infocommunications Authority (NMHH) (Hungary)
- Malta Communications Authority (Malta)
- Bundesnetzagentur (Germany)
- OPTA (Netherlands)
- Office of Electronic Communications (Poland)
- Autoridade Nacional De Comunicaoes (ANACOM) (Portugal)
- Autoritatea Naţională pentru Administrare şi Reglementare în Comunicaţii (ANCOM) (Romania)
- Regulatory Authority For Electronic Communications And Postal Services (Slovakia)
- La Comisión Nacional del Sector Postal (Spain)
- The Swedish Post and Telecom Authority (PTS) (Sweden)
Independent regulator and competition authority for the UK communications industries (OFCOM) (United Kingdom)