Where should China Unicom change its card?

You can self-check the distribution of outlets in your nearby business hall in the following ways:

1 log on to the homepage of online business hall, click "convenience service" > "business hall query", enter provinces and cities, or press keywords to query;

Unicom users can check the distribution, business hours, work contact number and other information of the business hall near your location in the mobile phone business hall-service-inquiry-nearby business hall.

3 SMS business hall can also provide some business hall information (including business hall name, address and telephone number) in the mobile phone number. You can edit any character or instruction code and send it to 100 10. The system will return to the main navigation menu of SMS business hall, and you can reply the corresponding menu number to 100 10 according to the prompt.

In addition to the above methods, you can also call the local hotline 100 10 for consultation.