To make an International call:

• Dial 9 + 011 + country code + city code + number 
• Listen for dial tone.
• Dial your long distance authorization code.

International Dialing Codes:

     http://kropla.com/dialcode.htm

International Telephone Directories and Reverse Number Lookup:

      http://www.infobel.com

Codes to use when dialing from one country to another country:

     http://www.countrycallingcodes.com/

Global Yellow Pages:

     http://www.globalyp.net/international/