3HK
 
Roaming Service
IDD Service
Chinese Mainland Service
Satellite Service
Inbound Roamer Services
As the first local telecom operator to connect with all major mobile networks in Chinese Mainland, 3 Hong Kong is proud to offer our "All-Net-Coverage Roaming*" service, which now extends to popular travel destinations that are top favourites for Hong Kong people. These destinations include Japan, South Korea, Thailand and Australia.

You can instantly connect to all mobile networks while travelling, ensuring a seamless experience for dining, shopping, sightseeing, or in-depth exploration. Bid farewell to the inconvenience of local SIM cards and stay connected throughout your journey.

Click here to find the Data Roaming Plan that best suits your needs.
Chinese Mainland & Macau Travellers
Chinese Mainland & Macau 3-Day Pass
Top pick for flash trips to Chinese Mainland

As low as $48/ 3 DAYS
Chinese Mainland & Macau Travel Data Pass Package
A must-have for mainland frequent travellers
to Chinese Mainland
Infinite data and voice calls^
From $98/month
Upgraded Chinese Mainland & HK 1-Card-2-Number
Stay connected between Chinese Mainland and Hong Kong with just one SIM^

$28/month
Chinese Mainland Number Service
Convenient cross border travel and connect living cycle^

$19/month
Leisure Travellers
Roam-in-Command
Use freely and choose as you wish
$98 up
Data Roaming Daily Pass
Infinite data for heavy usage needs
$198/DAY
RoamLite Pass
Data for light usage
$98/DAY
Frequent Travellers
Upgraded GETAWAY Travel Service
Top pick for frequent flyers
Flexible use of travel data passes for
worldwide/ Asia pacific over 2 years
From $38/month
WORLD PASS
Flexible add-ons with long validity
$48/month up
Greater China Monthly Plan
Data shared in Chinese Mainland, HK, Macau & Taiwan with one monthly plan
Free "Social App" data at 4 destinations
$188/month up
4.5G SIM HK-UK Sharing Monthly Plan
Data and voice minutes shared in
Hong Kong and United Kingdom
With UK local mobile service for free
$148/month up
Full Roaming and IDD service will be automatically activated or restored (applicable to those subscribers who had previously opted out of such function) upon subscription of the above services. Upon expiry of the above services, the full roaming and IDD function and day passes (where applicable) will remain active until customer unsubscribes or deactivates such services. To opt out of the aforesaid services, please contact 3iChat.
When customers without a data roaming plan subscription use travel data, they will be charged according to Data Roaming Daily Charge Cap Service. This service incurs a daily charge regardless of the amount of data consumed during travel. Please click here for service details. Please click here for coverage details.
*The data was retrieved from the official websites of local mobile operators as of 10 October 2023. China Broadnet does not provide inbound roaming service. Operators in designated destinations provide 5G/4G roaming service, subject to the factors such as coverage by individual mobile operator, system compatibility, network settings and configurations, the specifications of mobile device and other relevant factors. Only applicable to customers with relevant roaming service.
Roaming Support & Assistant
Roaming User Guide
Roaming Coverage & Tariff
Toll Free Hotline
Conexus Mobile Alliance