Provider certification record

China Unicom (Hong Kong) Operations Limited

Listed

Identity

Legal business name: China Unicom (Hong Kong) Operations Limited
Doing-business-as
Foreign Voice Service Provider: Yes
Business address: 28/F, Tower 1, The Gateway,, 25 Canton Road, Hong Kong 00000 Tsim Sha Tsui, Hong Kong
Filing contact: Vivian Tang
Business Development Director · Carrier Business Department
viviantang@chinaunicom.cn
+852 2626 8820
28/F, Tower 1, The Gateway,, 25 Canton Road Hong Kong 00000 Tsim Sha Tsui, Hong Kong
China, Hong Kong SAR
Principals, Affiliates, Subsidiaries, and Parent Companies: China United Network Communications Group Company Ltd, China United Network Communications Limited, China Unicom Group Corporation (BVI) Limited, China Unicom (BVI) Limited, China Unicom (Hong Kong) Limited, China Unicom Global Limited, China Unicom (Americas) Operations Limited, China Unicom (Europe) Operations Limited, China Unicom (Japan) Operations Corporation, China Unicom (Singapore) Operations Pte. Ltd, China Unicom (Middle East) Operations FZ-LLC, Etc.

Provider role(s): Voice service provider
STIR/SHAKEN implementation: Role Implementation
Voice service provider None
Overall None
Exemption rules: The STIR/SHAKEN requirements are not applied to CUHK as a foreign voice service provider. CUHK has taken steps to avoid originating illegal robocall traffic as part of its robocall mitigation program pursuant to 47 C.F.R. § 64.6305(d)(2), described in detail in the Robocall Mitigation Plan.

Role	Implementation
Voice service provider	None
Overall	None

Description: On Dec 8 2025, Federal Communications Commission issued an order to China Unicom (Hong Kong) Operations Limited (CUHK ), directing CUHK to cure the deficiencies in its Robocall Mitigation Database (RMD) certification . CUHK has updated the RMD Certification Information and Robocall Mitigation Plan on Dec 22 2025, as required.

Date	Event	Detail / diff
2026-02-26	New	Initial certification filed and added to database.