+503-2-(5040000...5049999): San Salvador (Metropolitan zone) Read more about +503-2-(5040000...5049999)
+503-2-(5590000...5599999): San Salvador (Metropolitan zone) Read more about +503-2-(5590000...5599999)
+503-2-(5600000...5609999): San Salvador (Metropolitan zone) Read more about +503-2-(5600000...5609999)
+503-2-(5610000...5613999): San Salvador (Metropolitan zone) Read more about +503-2-(5610000...5613999)