lephone numbers: All telephone numbers in the Factbook
consist of the country code in brackets, the city or area
code (where required) in parentheses, and the local number.
The one component that is not presented is the international
access code, which varies from country to country. For
example, an international direct dial telephone call placed
from the US to Madrid, Spain, would be as follows:

011 [34] (1) 577-xxxx where

011 is the international access code for station-to-station
calls

(01 is for calls other than station-to-station calls),

[34] is the country code for Spain,

(1) is the city code for Madrid,

577 is the local exchange, and

xxxx is the local telephone number.

An international direct dial telephone call placed from
another country to the US would be as follows:

international access code + [1] (202) 939-xxxx, where

[1] is the country code for the US,

(202) is the area code for Washington, DC,

939 is the local exchange, and

xxxx is the local telephone number.

Telephone system: This entry includes a brief
characterization of the system with details on the domestic
and international components. The following terms and
abbreviations are used throughout the entry:

Arabsat--Arab Satellite Communications Organization (Riyadh,
Saudi Arabia).

Autodin--Automatic Digital Network (US Department of
Defense).

CB--citizen's band mobile radio communications.

cellular telephone system--the telephones in this system are
radio

transceivers, with each instrument having its own private
radio frequency and sufficient radiated power to reach the
booster station in its area (cell), from which the telephone
signal is fed to a regular telephone exchange.

Central American Microwave System--a trunk microwave radio
relay system that links the countries of Central America and
Mexico with each other.

coaxial cable--a multichannel communication cable consisting
of a central conducting wire, surrounded by and insulated
from a cylindrical conducting shell; a large number of
telephone channels can be made available within the
insulated space by the use of a large number of carrier
frequencies.

Comsat--Communications Satellite Corporation (US).

DSN--Defense Switched Network (formerly Automatic Voice
Network or Autovon); basic general-purpose, switched voice
network of the Defense Communications System (US Department
of Defense).

Eutelsat--European Telecommunications Satellite Org