How to call Sao Tome from the USA/Canada:

dial 011 + 239 + phone number

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Calling Sao Tome and Principe from the United States explained:

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011 - US exit code; must be dialed first for all international calls made from the USA or Canada
239 - Country Code for Sao Tome and Principe
phone number - 7 digits
US to Sao Tome and Principe landlines international dialing format: 011 + 239 + 22 ?????

How to dial to Sao Tome and Principe cellular:

dialing format for calls to a cell phone: 011 + 239 + 99 ????? (or 98 ?????)

Phone Books:

Servico Informativo 103 - Sao Tome et Principe phone book, in Portuguese

The time in Sao Tome and Principe is now 12:13:49pm

Updates:

Sao Tome telephone numbering changes - January 2010

Calling Cards: