Private company

International Telecom Japan is a Japanese information and communications company based in Tokyo, founded in 1986.¹ It ceased to exist in 1997.¹

日本国際通信株式会社（にほんこくさいつうしん、略称ITJ）はかつて存在した日本の国際電話事業者。² From the Japanese Wikipedia, CC BY-SA 4.0

Last updated Oct 21, 2026.