Telephone landline services with direct dialing, data transmission and other communication services are provided the Philippine Long Distance Telephone Company (PLDT), Digital Telecommunications Philippines, Inc. (DIGITEL), and Telecommunication Technologies of the Philippines, Inc. (TTPI). These three telecommunications carriers cover a total of 17 municipalities collectively.

Cellular mobile telephone services are available covering practically the whole province through Globe Telecommunications, Smart Communications and Sun Cellular. Globe has 38 cell sites, Smart has 29 and Sun has 8 for a total of 75 cell sites covering the entire province.

Twelve (12) AM/FM radio stations, two (2) relay television stations and twenty seven (27) cable TV networks broadcast from Cagayan.

CATV system is a matured technology in Cagayan. It was adopted as early as the mid-1980s making the Province one of the pioneers in the use of CATV in the Philippines.

There are three major local Internet Service Providers in the Province, namely: PhilWorld, Cyberspace and IT-Links all located in Tuguegarao City. PLDT and DIGITEL also provide Internet services aside from their regular telephone service.

Aside from the nationally published newspapers, seven widely circulated local publications disseminate local, national and international information.