Area Code +84-22-(4000000...4999999) located in Son La, more detail is as below. Place International Dialing Code : 84 International Prefix : 00 National Prefix : 0 National Destination Code : 22 Subscriber Number From : 4000000 Subscriber Number To : 4999999 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 : VTC Click here to buy Vietnam Area Code Database Other Information Language Code : vi (Vietnamese) Country Number : 704 (Vietnam) Country Code : VN (Vietnam) City : Son La Timezone : Asia/Ho_Chi_Minh Coordinated Universal Time : +07:00 Daylight Saving Time : No National Significant Number Minimum Length : 9 Latitude : 21.3200 Longitude : 103.9000 ‹ previous : +84-22-(3000000...3999999) next › : +84-22-(6000000...6999999) Dialling Instructions For trunk calls: 0 22 4000000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 84 22 4000000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 4000000 ~ 4999999 (Count: 1,000,000) Example: +84-22-4000000 / 0084-22-4000000 (022-4000000 / 0-22-4000000) +84-22-4000001 / 0084-22-4000001 (022-4000001 / 0-22-4000001) +84-22-4000002 / 0084-22-4000002 (022-4000002 / 0-22-4000002) +84-22-4000003 / 0084-22-4000003 (022-4000003 / 0-22-4000003) +84-22-4000004 / 0084-22-4000004 (022-4000004 / 0-22-4000004) ...+84-22-xxxxxxx / 0084-22-xxxxxxx (022-xxxxxxx / 0-22-xxxxxxx) ...+84-22-4999995 / 0084-22-4999995 (022-4999995 / 0-22-4999995) +84-22-4999996 / 0084-22-4999996 (022-4999996 / 0-22-4999996) +84-22-4999997 / 0084-22-4999997 (022-4999997 / 0-22-4999997) +84-22-4999998 / 0084-22-4999998 (022-4999998 / 0-22-4999998) +84-22-4999999 / 0084-22-4999999 (022-4999999 / 0-22-4999999)
