Area Code +66-81-(5100000...5199999) located in Mobile Telephony, more detail is as below. Place International Dialing Code : 66 International Prefix : 001 National Prefix : 0 National Destination Code : 81 Subscriber Number From : 5100000 Subscriber Number To : 5199999 National Destination Code Length : 2 Uses National Destination Code : Yes National Significant Number Length : 9 Number Type : M (Mobile, Cellular) Carrier Name : Digital Phone Company Ltd Click here to buy Thailand Area Code Database Other Information Language Code : th (Thai) Country Number : 764 (Thailand) Country Code : TH (Thailand) City : Mobile Telephony Timezone : Asia/Bangkok Coordinated Universal Time : +07:00 Daylight Saving Time : No National Significant Number Minimum Length : 9 Latitude : 13.7200 Longitude : 100.4800 ‹ previous : +66-81-(5000000...5099999) next › : +66-81-(5200000...5299999) Dialling Instructions For trunk calls: 0 81 5100000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 001 66 81 5100000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 5100000 ~ 5199999 (Count: 100,000) Example: +66-81-5100000 / 00166-81-5100000 (081-5100000 / 0-81-5100000) +66-81-5100001 / 00166-81-5100001 (081-5100001 / 0-81-5100001) +66-81-5100002 / 00166-81-5100002 (081-5100002 / 0-81-5100002) +66-81-5100003 / 00166-81-5100003 (081-5100003 / 0-81-5100003) +66-81-5100004 / 00166-81-5100004 (081-5100004 / 0-81-5100004) ...+66-81-xxxxxxx / 00166-81-xxxxxxx (081-xxxxxxx / 0-81-xxxxxxx) ...+66-81-5199995 / 00166-81-5199995 (081-5199995 / 0-81-5199995) +66-81-5199996 / 00166-81-5199996 (081-5199996 / 0-81-5199996) +66-81-5199997 / 00166-81-5199997 (081-5199997 / 0-81-5199997) +66-81-5199998 / 00166-81-5199998 (081-5199998 / 0-81-5199998) +66-81-5199999 / 00166-81-5199999 (081-5199999 / 0-81-5199999)