Mar 18, 2008
Country Calling Codes
Posted by Anandhan Subbiah in Technical Articles • No commentsCountry calling codes, also known as country codes, refer to the two or three digit codes at the beginning of a telephone number that is used for telephone calls outside of a country’s (or area’s) numbering plan area codes.
Zone 1 - North American Numbering Plan Area
+1 United States of America (details)
Including U.S. territories:
+1-340 U.S. Virgin [...]