Area Code +66-43-(000000...999999) located in Khon Kaen, Roi Et, Maha Sarakham and Kalasin, more detail is as below. Place International Dialing Code : 66 International Prefix : 001 National Prefix : 0 National Destination Code : 43 Subscriber Number From : 000000 Subscriber Number To : 999999 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 : Telephone Organization of Thailand (TOT) Click here to buy Thailand Area Code Database Other Information Language Code : th (Thai) Country Number : 764 (Thailand) Country Code : TH (Thailand) City : Khon Kaen, Roi Et, Maha Sarakham and Kalasin Timezone : Asia/Bangkok Coordinated Universal Time : +07:00 Daylight Saving Time : No National Significant Number Minimum Length : 8 Latitude : 15.9700 Longitude : 102.6200 ‹ previous : +66-42-(000000...999999) next › : +66-44-(000000...999999) Dialling Instructions For trunk calls: 0 43 000000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 001 66 43 000000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 000000 ~ 999999 (Count: 1,000,000) Example: +66-43-000000 / 00166-43-000000 (043-000000 / 0-43-000000) +66-43-000001 / 00166-43-000001 (043-000001 / 0-43-000001) +66-43-000002 / 00166-43-000002 (043-000002 / 0-43-000002) +66-43-000003 / 00166-43-000003 (043-000003 / 0-43-000003) +66-43-000004 / 00166-43-000004 (043-000004 / 0-43-000004) ...+66-43-xxxxxx / 00166-43-xxxxxx (043-xxxxxx / 0-43-xxxxxx) ...+66-43-999995 / 00166-43-999995 (043-999995 / 0-43-999995) +66-43-999996 / 00166-43-999996 (043-999996 / 0-43-999996) +66-43-999997 / 00166-43-999997 (043-999997 / 0-43-999997) +66-43-999998 / 00166-43-999998 (043-999998 / 0-43-999998) +66-43-999999 / 00166-43-999999 (043-999999 / 0-43-999999)