MTR > Customer Service Centres Strategically located Customer Service Centres provide a wide range of information and assistance that can be found at MTR stations. Specific services on offer include the sale and value-adding of Octopus Cards, and the handling/replacement of malfunctioning tickets. These Customer Service Centres also collect excess fares and provide change for passengers purchasing tickets from vending ... https://www.mtr.com.hk/en/customer/services/cs.html - 2025-07-14
