Equipment Identity Registration System
Frequently Asked Questions
IMEI stands for International Mobile Equipment Identity. It is an international identity number of SIM-based devices, consisting of 15 (fifteen) digits in below formats:
- The first 8 (eight) digits is Type Allocation Code (TAC);
- The next 6 (six) digits is Serial Numbers (SNR);
The last 1 (one) digit is used to verify the class of IMEI.
IMEI can be found as follows:
- Dial *#06# from the dial pad of your mobile phone;
- On the original mobile phone
Note: A mobile phone can have multiple IMEIs based on its available SIM(s).
IMEI status of a mobile phone can be checked free of charge with CEIR as follows:
- Web portal:
- Mobile App: Download “IMEI KH” from Play Store or App Store
- USSD: Dial *1205#
- SMS: Type CHK and 15 digit IMEI code then send to 1205
Note: A mobile phone can have multiple IMEIs based on its available SIM(s). Therefore, you should check the status of all IMEIs that your mobile phone has.
Compliant IMEI with CEIR means any device whose IMEI is 15-digit long and has TAC (Type Allocation Code) approved by GSMA. Other criteria will be determined by the Ministry of Post and Telecommunications (MPTC).
Non-compliant IMEI with EIRS means any device whose IMEI is not following above definition of compliant IMEI.
A registered IMEI with CEIR means this IMEI has been recorded in CEIR to be allowed to work in Cambodia.
Device type of smartphone and feature phone shall register their IMEIs with CEIR in order to work with local SIM in Cambodia.
During the amnesty period, IMEI of device will be automatically registered with CEIR free of charge by inserting a local SIM or activating an eSIM on such device, and making a call or SMS to any phone number.
