The following is a list of different
international call prefixes that need to be dialled when placing an
international telephone call
International telephone calls are those made between different countries. These telephone calls are processed by international gateway exchanges (switches). Charges for these calls were high initially but declined greatly during the 20th century d ...
from different countries.
Countries by international prefix
Countries using optional carrier selection code
The following is a non-exhaustive list of countries that optionally allow for carrier selection in addition to using the standard prefix listed in the preceding section.
Historic international prefixes
The following is a list of international call prefixes that were used in various countries sometime in the past but are no longer used.
See also
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List of country calling codes
Country calling codes or country dial-in codes are telephone number prefixes for reaching telephone subscribers in the networks of the member countries or regions of the International Telecommunication Union (ITU). The codes are defined by the ...
*
List of mobile telephone prefixes by country
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List of North American Numbering Plan area codes
The North American Numbering Plan (NANP) divides the territories of its members into geographic numbering plan areas (NPAs). Each NPA is identified by one or more numbering plan area codes (''NPA codes'', or ''area codes''), consisting of three di ...
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Public switched telephone network
The public switched telephone network (PSTN) provides Communications infrastructure, infrastructure and services for public Telecommunications, telecommunication. The PSTN is the aggregate of the world's circuit-switched telephone networks that ...
Notes
References
External links
* Standards and recommendations
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{{DEFAULTSORT:International call prefixes
Call Prefixes
Telephone numbers
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