Barbados is a member of the North American Numbering Plan, and therefore shares the same country code (or dialling code) as the United States and Canada.
The area code assigned to Barbados is 246.
A phone number in the North American Numbering Plan consists of a country code, a three-digit area code, a three-digit central office code and a four-digit station number. For example: +1 (246) 000-1234.
In the above example, +1 is the country code, (246) is the area code, 000 is the central office code and 1234 is the station number.