Area Code +84-25-(4000000...4999999) Matatagpuan sa Lang Son, mas detalyado ay bilang sa ibaba. Lugar Code ng pag da-dial Internasyonal : 84 Prefix Internasyonal : 00 Prefix Nasyonal : 0 Pambansang Code ng Destinasyon : 25 Numero mula sa Sukritor : 4000000 Mumero para sa Sukritor : 4999999 Pambansang Haba ng Code Destinasyon : 2 Gumagamit ng Pambansang Code ng Destinasyon : Oo Pambansang Makabukuhang Haba ng Numero : 9 Uri ng Numero : G (Land Line ng Heograpiko, Pirming na Linya) Pangalan ng Tagapagdala : VTC Mag-klik dito para bilhin ang Byetnam Code ng Lugar ng Database Iba pang Impormasyon Wika Code : vi (Vietnamese) Numero ng Bansa : 704 (Byetnam) Bansa Code : VN (Byetnam) Lungsod : Lang Son Timezone : Asia/Ho_Chi_Minh Pamantayang Oras Unibersal : +07:00 Oras ng Pagtitipid ng Ilaw : Hindi Pambangsang Makabuluhang Minimum na Haba ng Numero : 9 Latitud : 21.8400 Longhitud : 106.7500 ‹ nakaraan : +84-25-(3000000...3999999) susunod › : +84-25-(6000000...6999999) Dialling Instructions For trunk calls: 0 25 4000000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 84 25 4000000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Listahan ng mga Numero ng Telepono 4000000 ~ 4999999 (Count: 1,000,000) Example: +84-25-4000000 / 0084-25-4000000 (025-4000000 / 0-25-4000000) +84-25-4000001 / 0084-25-4000001 (025-4000001 / 0-25-4000001) +84-25-4000002 / 0084-25-4000002 (025-4000002 / 0-25-4000002) +84-25-4000003 / 0084-25-4000003 (025-4000003 / 0-25-4000003) +84-25-4000004 / 0084-25-4000004 (025-4000004 / 0-25-4000004) ...+84-25-xxxxxxx / 0084-25-xxxxxxx (025-xxxxxxx / 0-25-xxxxxxx) ...+84-25-4999995 / 0084-25-4999995 (025-4999995 / 0-25-4999995) +84-25-4999996 / 0084-25-4999996 (025-4999996 / 0-25-4999996) +84-25-4999997 / 0084-25-4999997 (025-4999997 / 0-25-4999997) +84-25-4999998 / 0084-25-4999998 (025-4999998 / 0-25-4999998) +84-25-4999999 / 0084-25-4999999 (025-4999999 / 0-25-4999999)