Area Code +855-63-(0000...9999) located in Siem Reap, more detail is as below. Place International Dialing Code : 855 International Prefix : 00 National Prefix : 0 National Destination Code : 63 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 : Siem Reap Timezone : Asia/Phnom_Penh Coordinated Universal Time : +07:00 Daylight Saving Time : No National Significant Number Minimum Length : 6 Latitude : 13.3600 Longitude : 103.8600 ‹ previous : +855-62-(0000...9999) next › : +855-64-(0000...9999) Dialling Instructions For trunk calls: 0 63 0000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 855 63 0000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 0000 ~ 9999 (Count: 10,000) Example: +855-63-0000 / 00855-63-0000 (063-0000 / 0-63-0000) +855-63-0001 / 00855-63-0001 (063-0001 / 0-63-0001) +855-63-0002 / 00855-63-0002 (063-0002 / 0-63-0002) +855-63-0003 / 00855-63-0003 (063-0003 / 0-63-0003) +855-63-0004 / 00855-63-0004 (063-0004 / 0-63-0004) ...+855-63-xxxx / 00855-63-xxxx (063-xxxx / 0-63-xxxx) ...+855-63-9995 / 00855-63-9995 (063-9995 / 0-63-9995) +855-63-9996 / 00855-63-9996 (063-9996 / 0-63-9996) +855-63-9997 / 00855-63-9997 (063-9997 / 0-63-9997) +855-63-9998 / 00855-63-9998 (063-9998 / 0-63-9998) +855-63-9999 / 00855-63-9999 (063-9999 / 0-63-9999)