+63-83-(3080000...3089999): General Santos, South Cotabato (SCO) Read more about +63-83-(3080000...3089999)
+63-83-(3090000...3099999): General Santos, South Cotabato (SCO) Read more about +63-83-(3090000...3099999)
+63-83-(3100000...3109999): Koronadal City, South Cotabato (SCO) Read more about +63-83-(3100000...3109999)
+63-83-(3200000...3209999): General Santos, South Cotabato (SCO) Read more about +63-83-(3200000...3209999)
+63-83-(3210000...3219999): Koronadal City, South Cotabato (SCO) Read more about +63-83-(3210000...3219999)
+63-83-(3700000...3709999): Koronadal City, South Cotabato (SCO) Read more about +63-83-(3700000...3709999)