Area Code +84-20-(3000000...3999999) located in Lao Cai, more detail is as below. Place International Dialing Code : 84 International Prefix : 00 National Prefix : 0 National Destination Code : 20 Subscriber Number From : 3000000 Subscriber Number To : 3999999 National Destination Code Length : 2 Uses National Destination Code : Yes National Significant Number Length : 9 Number Type : G (Geographic Land Line, Fixed Line) Carrier Name : VNPT Click here to buy Vietnam Area Code Database Other Information Language Code : vi (Vietnamese) Country Number : 704 (Vietnam) Country Code : VN (Vietnam) City : Lao Cai Timezone : Asia/Ho_Chi_Minh Coordinated Universal Time : +07:00 Daylight Saving Time : No National Significant Number Minimum Length : 9 Latitude : 22.4800 Longitude : 103.9500 ‹ previous : +84-20-(2000000...2999999) next › : +84-20-(4000000...4999999) Dialling Instructions For trunk calls: 0 20 3000000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 84 20 3000000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 3000000 ~ 3999999 (Count: 1,000,000) Example: +84-20-3000000 / 0084-20-3000000 (020-3000000 / 0-20-3000000) +84-20-3000001 / 0084-20-3000001 (020-3000001 / 0-20-3000001) +84-20-3000002 / 0084-20-3000002 (020-3000002 / 0-20-3000002) +84-20-3000003 / 0084-20-3000003 (020-3000003 / 0-20-3000003) +84-20-3000004 / 0084-20-3000004 (020-3000004 / 0-20-3000004) ...+84-20-xxxxxxx / 0084-20-xxxxxxx (020-xxxxxxx / 0-20-xxxxxxx) ...+84-20-3999995 / 0084-20-3999995 (020-3999995 / 0-20-3999995) +84-20-3999996 / 0084-20-3999996 (020-3999996 / 0-20-3999996) +84-20-3999997 / 0084-20-3999997 (020-3999997 / 0-20-3999997) +84-20-3999998 / 0084-20-3999998 (020-3999998 / 0-20-3999998) +84-20-3999999 / 0084-20-3999999 (020-3999999 / 0-20-3999999)
