Cambodia has traditionally only two official gateways for international telephone calls:
- 001: Ministry of Posts and Telecommunications (MPTC) / Telecom Cambodia (T.C.)
- 007: Royal Telecam International (RTI), subsidiary of MobiTel, also known as TELE2
Calling through either of these gateways is very expensive (usually more than one dollar per minute).
Fortunately all GSM mobile phone network operators in Cambodia have introduced a cheaper alternative for making international calls. It is often based on voice-over-IP (VOIP) technology. See the table below for information about each operator: Continue reading “International call prefixes and prices of GSM mobile operators in Cambodia”