People's Commissariat for Posts and Telegraphs
- Council of People's Commissars
- Minister for Posts and Telegraphs
- Minister of Posts, Telegraphs, and Telephones
- Ministry of Post and Telegraphs (Poland)
- People's Commissariat for Communications of the USSR
- People's Commissariat for Posts and Telegraphs of the RSFSR
- People's Commissariat for Posts and Telegraphs of the USSR
- Post and Telegraph Department (disambiguation)
- Postal, telegraph and telephone service
- Postes, télégraphes et téléphones (France)