Add-on Numbers - Charges - SmarTone
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Add-on Numbers
Add Numbers Anytime with Just One App to Keep Your Personal Number Private
Service Service Fees*
Add-on Numbers Daily Plan
(No contract is required)
Monthly Plan
Contract Offer#
HK$5 for each number
(capped at HK$35 every 30 days)
HK$30 / month for each number
(12 months contract)

Each mobile number can register up to 4 add-on numbers, including registered mobile number and “Easy Number” Mainland Mobile Number.

* Download, usage and content update of this app will incur data usage. The data usage will be deducted from relevant subscribed service plans and charged at the applicable thereafter fee. Alternatively, it will be charged based on standard data charges. Customers, please check with your mobile operator about data charges.

# Monthly Plan Contract Offer is only applicable to SmarTone’s customers.

    To use an existing local mobile or fixed-line number as an add-on number, please visit SmarTone stores to register.

  • This service is only available to existing SmarTone mobile monthly plan customers. SmarTone prepaid card customers and non-SmarTone customers cannot register for this service.
  • This service does not replace your original mobile number and cannot be used to call emergency services. Please make arrangements to ensure you can call emergency services during an emergency.
  • Deleted numbers will not be restored.
  • Usage of voice, data, messaging, IDD and roaming will be deducted from the main number’s service plan and any additional usage incurred will be charged to the monthly bill accordingly.
  • Calls made by the mobile numbers under this service will incur voice usage and be counted as voice minutes.
  • Calls made by fixed-line numbers under this service will be delivered by data and usage will incur data charges.
    • Quality and performance of the fixed-line service depends on the reliability and stability of the mobile network or Wi-Fi connection, SmarTone is not responsible or liable for any charges incurred if it is beyond SmarTone’s control. Please check with relevant mobile operator or network provider about the respective data charges (if any).
    • Fixed-line numbers cannot be used to access the infoline 900 services provided by telecommunications operators in Hong Kong.
  • Roaming charge and standard roaming data charge apply when roaming. For details of the charges, please visit https://www.smartone.com/en/mobile_and_price_plans/roaming_idd/coveragencharges/charges.jsp

  • The charge of Standard Plan is on a recurring basis. A day is defined as 00:00-23:59, Hong Kong Time. For the details of Monthly Plan Contract Offer and Yearly Plan, please refer to the terms and conditions.
  • When using services which require data connection, service performance may be affected by the network performance.
  • The fixed-line numbers and Easy Number mainland China mobile numbers under this service do not support MMS.
  • This service is available for smartphones running iOS 11.0 or above and Android™ 6.0 or above. For Android™ smartphone which does not support Google Play services, the Value-Added Service will not be applicable on the smartphone.
  • Subject to relevant terms and conditions. Please refer to T&C-V067 for details.
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