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Private company

PTT

PTT is a former state postal service of the Netherlands founded in 1918.1 It was founded by Dutch State.1 It is headquartered in The Hague.1 It ceased to exist in 1989.1

PTT (niederländisch Posterijen, Telegrafie en Telefonie) war das öffentliche Post- und Telekommunikationsunternehmen der Niederlande.2 From the German Wikipedia, CC BY-SA 4.0

Last updated Oct 21, 2026.

Overview

1918Founded1
  • HeadquartersThe Hague, Netherlands1
  • Legal formstate-owned enterprise1

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Uithangbord Post Telegraaf Telefoon
Photo: Agaath, CC BY-SA 4.0, via Wikimedia Commons3

Corporate structure

PTT sits at the top of its group. 4 entities, 1 country on record. Switch between the flow chart and the network, and select any entity to see its details.

  • PTT The Hague, Netherlands
    • Dienst voor Esthetische Vormgeving PTT Subsidiary
    • Hoofdbureau der PTT Subsidiary
    • Psychotechnisch Laboratorium der PTT Subsidiary · The Hague

Built from subsidiaries, stakes and holdings from Wikidata (CC0); major holders from Schedules 13D and 13G. Each entity in the chart links to its source.

The story

Founded by Dutch State in 1918.1

Subsidiaries and ownership

Subsidiaries

  • Dienst voor Esthetische Vormgeving PTT
  • Hoofdbureau der PTT
  • Psychotechnisch Laboratorium der PTT

From Wikidata.1

Acquisitions

  1. Succeeded by KPN1
  2. Succeeded by PostNL1

Timeline

  1. 1989Dissolved Dissolved1
  2. 1918Founded Founded1

Sources

The numbers on this page point here. Each one links to the record it came from.

  1. 1
  2. 2
  3. 3