International Roaming Coverage and Tariff

CMHK 4G/5G service plan customers can enjoy quality communications services, including voice, SMS and data, in over 300 countries and destinations with applicable 4G/5G handset via designated roaming operators in below countries / destinations:

Popular Destinations:  Mainland China   Macau   Taiwan   Japan   Singapore   Thailand   United Kingdom   Malaysia

For other regions, please click here for details.

Data Roaming Products

  • GO! Pass
    • Average HK$9/day
    • Greater China, Europe, North America, South-East Asia, Oceania or Belt and Road


  • Data Roaming Zone
    • HK$48/day
    • Mainland China, Macau, Japan, Thailand, USA, etc


  • Flexi-up service
    • HK$78 up
    • Up to 150+ Global destinations
    • Extend Data coverage for 30 days
  • Bay Area Data Package
    • Mainland China & Macau
    • Freely use 1GB in bill month
    • HK$48/bill month

Voice Roaming Products

  • "Let's Talk"-Mainland China Voice Calling Package

    For customers with cross boarder call needs

    • Package fee $59 up
    • Free Call Receives in Guang Dong
    • 100 Mainland China minutes up


  • "Let's Talk"-Mainland China Voice Calling VAS

    For Mainland China travelers

    • Only $18/month
    • Make calls in Mainland China at flat-rate $0.65
  • "Let's Talk" –Greater China Voice Calling VAS

    For Supreme series service plan subscribers

    • Only $48/month
    • Make calls in Greater China region for as low as $0.65/minute
  • "Let's Talk" – Global Voice Calling VAS

    For Supreme series service plan subscribers

    • Only $98/month
    • Make calls as low as $0.65/minute
  • Bay Area Voice Package

    For high call needs customer in Bay Area

    • HK$48 up/ month
    • Free incoming call in Mainland China, Hong Kong and Macau
    • Entitle 100 up Bay Area minutes

IDD Service

Overseas Roaming Support

CMHK service plan customers can call our 24-hour China Roaming Customer Service Hotline 400 120 4000 if any enquiries while roaming in China. For other countries / destinations, you can make roaming direct call to our CMHK 24-Hour Customer Care Hotline (852) 12580 free of charge and get assistance from us easily.