Area Code +84-91-(0000000...9999999) located in Mobile Telephony, more detail is as below. Place International Dialing Code : 84 International Prefix : 00 National Prefix : 0 National Destination Code : 91 Subscriber Number From : 0000000 Subscriber Number To : 9999999 National Destination Code Length : 2 Uses National Destination Code : Yes National Significant Number Length : 9 Number Type : M (Mobile, Cellular) Carrier Name : Vinaphone – VNPT Click here to buy Vietnam Area Code Database Other Information Language Code : vi (Vietnamese) Country Number : 704 (Vietnam) Country Code : VN (Vietnam) City : Mobile Telephony Timezone : Asia/Ho_Chi_Minh Coordinated Universal Time : +07:00 Daylight Saving Time : No National Significant Number Minimum Length : 9 Latitude : 10.7500 Longitude : 106.6600 ‹ previous : +84-90-(0000000...9999999) next › : +84-92-(0000000...9999999) Dialling Instructions For trunk calls: 0 91 0000000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 84 91 0000000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 0000000 ~ 9999999 (Count: 10,000,000) Example: +84-91-0000000 / 0084-91-0000000 (091-0000000 / 0-91-0000000) +84-91-0000001 / 0084-91-0000001 (091-0000001 / 0-91-0000001) +84-91-0000002 / 0084-91-0000002 (091-0000002 / 0-91-0000002) +84-91-0000003 / 0084-91-0000003 (091-0000003 / 0-91-0000003) +84-91-0000004 / 0084-91-0000004 (091-0000004 / 0-91-0000004) ...+84-91-xxxxxxx / 0084-91-xxxxxxx (091-xxxxxxx / 0-91-xxxxxxx) ...+84-91-9999995 / 0084-91-9999995 (091-9999995 / 0-91-9999995) +84-91-9999996 / 0084-91-9999996 (091-9999996 / 0-91-9999996) +84-91-9999997 / 0084-91-9999997 (091-9999997 / 0-91-9999997) +84-91-9999998 / 0084-91-9999998 (091-9999998 / 0-91-9999998) +84-91-9999999 / 0084-91-9999999 (091-9999999 / 0-91-9999999)