Area Code +84-321-(6000000...6999999) located in Hung Yen, more detail is as below. Place International Dialing Code : 84 International Prefix : 00 National Prefix : 0 National Destination Code : 321 Subscriber Number From : 6000000 Subscriber Number To : 6999999 National Destination Code Length : 3 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : G (Geographic Land Line, Fixed Line) Carrier Name : Viettel Click here to buy Vietnam Area Code Database Other Information Language Code : vi (Vietnamese) Country Number : 704 (Vietnam) Country Code : VN (Vietnam) City : Hung Yen Timezone : Asia/Ho_Chi_Minh Coordinated Universal Time : +07:00 Daylight Saving Time : No National Significant Number Minimum Length : 10 Latitude : 20.6500 Longitude : 106.0600 ‹ previous : +84-321-(4000000...4999999) next › : +84-33-(2000000...2999999) Dialling Instructions For trunk calls: 0 321 6000000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 84 321 6000000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 6000000 ~ 6999999 (Count: 1,000,000) Example: +84-321-6000000 / 0084-321-6000000 (0321-6000000 / 0-321-6000000) +84-321-6000001 / 0084-321-6000001 (0321-6000001 / 0-321-6000001) +84-321-6000002 / 0084-321-6000002 (0321-6000002 / 0-321-6000002) +84-321-6000003 / 0084-321-6000003 (0321-6000003 / 0-321-6000003) +84-321-6000004 / 0084-321-6000004 (0321-6000004 / 0-321-6000004) ...+84-321-xxxxxxx / 0084-321-xxxxxxx (0321-xxxxxxx / 0-321-xxxxxxx) ...+84-321-6999995 / 0084-321-6999995 (0321-6999995 / 0-321-6999995) +84-321-6999996 / 0084-321-6999996 (0321-6999996 / 0-321-6999996) +84-321-6999997 / 0084-321-6999997 (0321-6999997 / 0-321-6999997) +84-321-6999998 / 0084-321-6999998 (0321-6999998 / 0-321-6999998) +84-321-6999999 / 0084-321-6999999 (0321-6999999 / 0-321-6999999)
