How do i contact hkt customer service? If you ever need assistance, simply contact your account manager or call the HKT hotline:What does hkt stand for? HKT (HongKong Stock Exchange listing code: 6823) is Hong Kong's premier telecommunications service provider and a leading operator in fixed-line, broadband and mobile communications services.Why choose hkhkt? HKT's customer service teams operate 24/7 in mainland China and Hong Kong in order to provide customers with one-stop solutions. Engineering support from Hong Kong maintains a consistent level of service throughout the territory and in mainland China. All to help companies establish and maintain business interests in mainland China.How do i contact hong kong airport authority? Airport Enquiry Hotline. +852 2181 8888. Online Form. Customer Feedback, Airport Authority Hong Kong, HKIA Tower, 1 Sky Plaza Road, Hong Kong International Airport, Lantau, Hong Kong. Airline Contact Numbers.