Dialing Instructions

  1. Dial the International Direct Dialing (IDD) number. Countries have different numbers, or may have more than one IDD, depending on the carrier or type of service.
  2. Dial the Country Code. In some cases, the country code is shared among countries. For example, the United States, Canada, and much of the Caribbean and Guam use country code 1
  3. Dial the city/area code (if any) for the number you are dialing. Smaller countries may not use city codes or area codes, while larger countries have hundreds of them.
  4. Dial the phone number you are calling.
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IDD COUNTRY CODE CITY CODE PHONE NUMBER