Vivatel

== Altenska telefonska i telegrafska kompanija ==
=== 1955-1967 ===
=== 1967-1979 ===
== Altenska telekomunikacija ==
=== 1979-1992 ===
=== 1992-2005 ===
== Vivatel ==
=== 2005-2008 ===
=== 2008-2021 ===
=== 2021-present ===
Category:Telecommunications companies in Altenia
Category:Altenia
Category:Telecommunications