Area Code +856-20-(23000000...23999999) located in Mobile services, more detail is as below. Place International Dialing Code : 856 International Prefix : 00 National Prefix : 0 National Destination Code : 20 Subscriber Number From : 23000000 Subscriber Number To : 23999999 National Destination Code Length : 2 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : M (Mobile, Cellular) Carrier Name : ETL Click here to buy Laos Area Code Database Other Information Language Code : lo (Laothian) Country Number : 418 (Laos) Country Code : LA (Laos) City : Mobile services Timezone : Asia/Vientiane Coordinated Universal Time : +07:00 Daylight Saving Time : No National Significant Number Minimum Length : 10 Latitude : 17.9600 Longitude : 102.6100 ‹ previous : +856-20-(22000000...22999999) next › : +856-20-(54000000...54999999) Dialling Instructions For trunk calls: 0 20 23000000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 856 20 23000000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 23000000 ~ 23999999 (Count: 1,000,000) Example: +856-20-23000000 / 00856-20-23000000 (020-23000000 / 0-20-23000000) +856-20-23000001 / 00856-20-23000001 (020-23000001 / 0-20-23000001) +856-20-23000002 / 00856-20-23000002 (020-23000002 / 0-20-23000002) +856-20-23000003 / 00856-20-23000003 (020-23000003 / 0-20-23000003) +856-20-23000004 / 00856-20-23000004 (020-23000004 / 0-20-23000004) ...+856-20-xxxxxxxx / 00856-20-xxxxxxxx (020-xxxxxxxx / 0-20-xxxxxxxx) ...+856-20-23999995 / 00856-20-23999995 (020-23999995 / 0-20-23999995) +856-20-23999996 / 00856-20-23999996 (020-23999996 / 0-20-23999996) +856-20-23999997 / 00856-20-23999997 (020-23999997 / 0-20-23999997) +856-20-23999998 / 00856-20-23999998 (020-23999998 / 0-20-23999998) +856-20-23999999 / 00856-20-23999999 (020-23999999 / 0-20-23999999)