Area Code +855-64-(0000...9999) located in Preah Vihear, more detail is as below. Place International Dialing Code : 855 International Prefix : 00 National Prefix : 0 National Destination Code : 64 Subscriber Number From : 0000 Subscriber Number To : 9999 National Destination Code Length : 2 Uses National Destination Code : Yes National Significant Number Length : 6 Number Type : G (Geographic Land Line, Fixed Line) Carrier Name : Telecom Cambodia Click here to buy Cambodia Area Code Database Other Information Language Code : km (Cambodian) Country Number : 116 (Cambodia) Country Code : KH (Cambodia) City : Preah Vihear Timezone : Asia/Phnom_Penh Coordinated Universal Time : +07:00 Daylight Saving Time : No National Significant Number Minimum Length : 6 Latitude : 14.0100 Longitude : 104.8500 ‹ previous : +855-63-(0000...9999) next › : +855-65-(0000...9999) Dialling Instructions For trunk calls: 0 64 0000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 855 64 0000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 0000 ~ 9999 (Count: 10,000) Example: +855-64-0000 / 00855-64-0000 (064-0000 / 0-64-0000) +855-64-0001 / 00855-64-0001 (064-0001 / 0-64-0001) +855-64-0002 / 00855-64-0002 (064-0002 / 0-64-0002) +855-64-0003 / 00855-64-0003 (064-0003 / 0-64-0003) +855-64-0004 / 00855-64-0004 (064-0004 / 0-64-0004) ...+855-64-xxxx / 00855-64-xxxx (064-xxxx / 0-64-xxxx) ...+855-64-9995 / 00855-64-9995 (064-9995 / 0-64-9995) +855-64-9996 / 00855-64-9996 (064-9996 / 0-64-9996) +855-64-9997 / 00855-64-9997 (064-9997 / 0-64-9997) +855-64-9998 / 00855-64-9998 (064-9998 / 0-64-9998) +855-64-9999 / 00855-64-9999 (064-9999 / 0-64-9999)