TransTelecom (Russian: ТрансТелеКо́м (ТТК)) is a major telecommunications company in Russia that owns one of the largest networks in the world of fiber optical cables.

For three years the TTK built ROW railways fiber network length of 45 thousand km, connecting 974 settlements in 71 regions of Russia.

[2] In April 2002, the TTK went on the market and support services to the organization of virtual private networks (VPN) technology and Multiprotocol Label Switching (MPLS) IP transit.

In July 2005, the TTK became the fifth operator in Russia, received the right to provide long-distance services (after Rostelecom, Tsentrinfokoma, Golden Telecom and MTT).

As part of the reorganization of the TTC before the year is going to annex all subsidiaries who belong to the company to create a single organization with branch management structure by 2015.