+62-620-(0000000...9999999): Pangkalan Brandan, Sumatera Utara (SU) Xem thêm về +62-620-(0000000...9999999)
+62-621-(0000000...9999999): Tebingtinggi, Sumatera Utara (SU) Xem thêm về +62-621-(0000000...9999999)
+62-622-(0000000...9999999): Pematang Siantar, Sumatera Utara (SU) Xem thêm về +62-622-(0000000...9999999)
+62-624-(0000000...9999999): Rantau Prapat, Sumatera Utara (SU) Xem thêm về +62-624-(0000000...9999999)
