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What are the customer service hours of the three major operators?

China Telecom customer service telephone number 10000, 24-hour service.

The business hours of the telecom business hall are 8:00- 18:00 every day, and it is open as usual on Saturday and Sunday.

China Telecom has built a comprehensive service window to realize the service concept of "one-stop access and one-stop purchase" for customer service. Adopt the national unified special service access code 10000, integrate the original special service numbers, take the telephone network as the main information exchange channel, provide users with services such as consultation, inquiry, acceptance and complaint of various telecom services, and establish a rapid customer response center for basic telecom services and various telecom value-added services based on the customer service platform.