Heritage archive · 1930–1992

A history in a few dates

Created in 1930, the Telegraph and Telephone Authority ran Belgium's telecommunications network for over sixty years.

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1846
RTT / Belgacom / Proximus history

First Belgian telegraph line in service: Brussels–Antwerp, operated by a private concessionaire (Cooke & Wheatstone).

1850
RTT / Belgacom / Proximus history

The Brussels–Antwerp line was purchased by the State (60,000 francs). At that time, only Brussels, Antwerp and Mechelen were open to the public, with ‘very little’ traffic.

1850
RTT / Belgacom / Proximus history

First international telegraph connection (Prussia): Verviers designated as the point where the two services diverge.

1859
RTT / Belgacom / Proximus history

The telegraph services consist of 75 offices (78 if you include the duplicate offices in Brussels, Antwerp, and Liège) and 1,057 km of lines.

1866
RTT / Belgacom / Proximus history

Network expanded to 356 offices (including ~260 at train stations and ~83 at post offices); 3,519 km of lines.

1869
RTT / Belgacom / Proximus history

433 offices (120 at state-owned stations, 93 at concession-operated stations, 128 auxiliary offices, and 92 in cities); of the 305 state-owned offices, only 20 have dedicated telegraph staff.

1870
RTT / Belgacom / Proximus history

445 offices; 15,639 km of lines (entire network, including concession lines).

1879
RTT / Belgacom / Proximus history

The Beginnings of Privately Operated Telephony.

1891
RTT / Belgacom / Proximus history

Decision on a state monopoly: The state operates the telephone system “in the public interest” as a public service.

1930
RTT / Belgacom / Proximus history

Creation of the Telegraph and Telephone Authority, an autonomous state enterprise.

1936
RTT / Belgacom / Proximus history

Expansion of the automatic network in the country's major cities.

1948
RTT / Belgacom / Proximus history

Post-war rebuilding and modernisation of the exchanges.

1953
RTT / Belgacom / Proximus history

Laying of the undersea cable between Ostend and Dover: a direct link to England.

1971
RTT / Belgacom / Proximus history

Automatic telephony rolled out across the whole territory.

1991
RTT / Belgacom / Proximus history

The RTT becomes Belgacom, an autonomous public company.

1995
RTT / Belgacom / Proximus history

First steps toward telecom liberalisation.

2025
RTT / Belgacom / Proximus history

The Proximus Group has decided to sell more than 100 buildings as part of its new strategy.

2026
RTT / Belgacom / Proximus history

This website was launched to catalog the Régie's buildings.

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