Telephones - main lines in use:
7.5 million (2009)
country comparison to the world: 25
[see also: Telephones - main lines in use country ranks ]

Telephones - mobile cellular:
42.16 million (2009)
country comparison to the world: 29
[see also: Telephones - mobile cellular country ranks ]

Telephone system:
general assessment: modern system in many respects with a nationwide microwave radio relay system, a domestic satellite system with 41 earth stations, and a fiber-optic network linking 50 cities; telecommunications sector liberalized during the 1990s; multiple providers of both fixed-line and mobile-cellular services
domestic: fixed-line connections stand at about 15 per 100 persons; mobile cellular telephone subscribership is about 90 per 100 persons; competition among cellular service providers is resulting in falling local and international calling rates and contributing to the steep decline in the market share of fixed line services
international: country code - 57; landing points for the ARCOS, Colombia-Florida Subsea Fiber (CFX-1), Maya-1, Pan American, and the South America-1 submarine cables providing links to the US, parts of the Caribbean, and Central and South America; satellite earth stations - 10 (6 Intelsat, 1 Inmarsat, 3 fully digitalized international switching centers) (2009)

Broadcast media:
combination of state-owned and privately-owned broadcast media provide service; more than 500 radio stations and large number of national, regional, and local TV stations (2007)

Internet country code:
.co

Internet hosts:
2.527 million (2010)
country comparison to the world: 32
[see also: Internet hosts country ranks ]

Internet users:
22.538 million (2009)
country comparison to the world: 18
[see also: Internet users country ranks ]