+503-2-(5320000...5369999): San Salvador (Metropolitan zone) Read more about +503-2-(5320000...5369999)
+503-2-(5370000...5379999): San Salvador (Metropolitan zone) Read more about +503-2-(5370000...5379999)
+503-2-(5386000...5386999): San Salvador (Metropolitan zone) Read more about +503-2-(5386000...5386999)
+503-2-(5410000...5439999): San Salvador (Metropolitan zone) Read more about +503-2-(5410000...5439999)