 How to call:
00 - Exit code when making an international call from Principe
94 - Sri Lankan country code for inbound calls
41 - Mattara city code
00 + 94 + 41 + Local Number - International dialing code format
 World Times:
The time in Principe is now 04:35:53 AM (04:35:53 AM)
The time in Mattara Sri Lanka is now 10:05:53 AM (10:05:53 AM)
 Mobile codes:
To call a mobile phone in Sri Lanka from Principe use the following dialing code format: 00 + 94 + Mobile Code* + The Number
*Sri Lanka has multiple mobile carriers: 71 (Mobitel), 72 (Etisalat), 75 (Airtel), 77 (Dialog), 78 (Hutch)
| 
