 How to call:
00 - Exit code when making an international call from Sao Tome
249 - Sudanese country code for inbound calls
183 - Khartoum city code
00 + 249 + 183 + Local Number - International dialing code format
 World Times:
The time in Sao Tome is now 18:37:51 PM (06:37:51 PM)
The time in Khartoum Sudan is now 20:37:51 PM (08:37:51 PM)
 Mobile codes:
To call a mobile phone in Sudan from Sao Tome use the following dialing code format: 00 + 249 + 9 + The Number
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