+503-2-(2690000...2690999): San Salvador (Metropolitan zone) Baca lebih lanjut mengenai +503-2-(2690000...2690999)
+503-2-(3069000...3069999): Cojutepeque (Central zone) Baca lebih lanjut mengenai +503-2-(3069000...3069999)
+503-2-(4006000...4006999): Santa Ana (Western zone) Baca lebih lanjut mengenai +503-2-(4006000...4006999)
+503-2-(6072000...6072999): San Miguel (Eastern zone) Baca lebih lanjut mengenai +503-2-(6072000...6072999)
