China "1-Card-Multi-Numer" service region now extended to the whole Mainland China.

• The best choice for frequent travelers between Hong Kong, China and Macau! "1-Card-Multi-Number" Service can let you have a Hong Kong number, a Mainland China number and/or a Macau mobile number in one single SIM card.
• Hong Kong, China and Macau numbers can all receive incoming calls and SMS, no matter where you are.
• The corresponding mobile numbers will be changed automatically when you travel in and out of "1-Card-Multi-Number" regions. No call forwarding and no SIM card swapping needed.
• Callers from China / Macau can call your Mainland / Macau number directly and save on IDD charges.
• Comes with free "Hong Kong Ringback Tone" (originally $38/mth)

China Roaming Customer Service Hotline

To provide better China roaming service, if you have any enquiries in China, please feel free to call our 24-hour China Roaming Customer Service Hotline 400 120 4000.

Remarks: CMHK service plan customers can call this hotline for free in China.

CMHK also offers "China 1-Card-Multi-Number" Value-added Service for low usage users, while our "Macau 1-Card-Multi-Number" and "China & Macau 1-Card-Multi-Number" services let you to include a Macau CTM number in the SIM card.

* This service is applicable to 2G service plan only.