Area Code +856-21-(730000...739999) located in Vientiane, more detail is as below. Place International Dialing Code : 856 International Prefix : 00 National Prefix : 0 National Destination Code : 21 Subscriber Number From : 730000 Subscriber Number To : 739999 National Destination Code Length : 2 Uses National Destination Code : Yes National Significant Number Length : 8 Number Type : G (Geographic Land Line, Fixed Line) Carrier Name : Laotel Click here to buy Laos Area Code Database Other Information Language Code : lo (Laothian) Country Number : 418 (Laos) Country Code : LA (Laos) City : Vientiane Timezone : Asia/Vientiane Coordinated Universal Time : +07:00 Daylight Saving Time : No National Significant Number Minimum Length : 8 Latitude : 17.9600 Longitude : 102.6100 ‹ previous : +856-21-(710000...719999) next › : +856-21-(810000...819999) Dialling Instructions For trunk calls: 0 21 730000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 856 21 730000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 730000 ~ 739999 (Count: 10,000) Example: +856-21-730000 / 00856-21-730000 (021-730000 / 0-21-730000) +856-21-730001 / 00856-21-730001 (021-730001 / 0-21-730001) +856-21-730002 / 00856-21-730002 (021-730002 / 0-21-730002) +856-21-730003 / 00856-21-730003 (021-730003 / 0-21-730003) +856-21-730004 / 00856-21-730004 (021-730004 / 0-21-730004) ...+856-21-xxxxxx / 00856-21-xxxxxx (021-xxxxxx / 0-21-xxxxxx) ...+856-21-739995 / 00856-21-739995 (021-739995 / 0-21-739995) +856-21-739996 / 00856-21-739996 (021-739996 / 0-21-739996) +856-21-739997 / 00856-21-739997 (021-739997 / 0-21-739997) +856-21-739998 / 00856-21-739998 (021-739998 / 0-21-739998) +856-21-739999 / 00856-21-739999 (021-739999 / 0-21-739999)
