Telephones - main lines in use:

7.865 million (2006)

Telephones - mobile cellular:

29.763 million (2006)

Telephone system:

general assessment: modern system in many respects; telecommunications sector liberalized during the 1990s; multiple providers of both fixed-line and mobile-cellular services; fixed-line connections stand at about 18 per 100 persons; mobile cellular usage is about 70 per 100 persons
domestic: nationwide microwave radio relay system; domestic satellite system with 41 earth stations; fiber-optic network linking 50 cities
international: country code - 57; submarine cables provide 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) (2007)

Radio broadcast stations:

AM 454, FM 34, shortwave 27 (1999)

Television broadcast stations:

60 (1997)

Internet country code:

.co

Internet hosts:

1.014 million (2007)

Internet users:

6.705 million (2006)