Is the message 100 1 sent to China Telecom free? Is there a limit on the number of times?

Hello, first of all, thank you for your support to China Telecom. According to your description, 1000 1 is the service number of China Telecom's SMS business hall. All short messages sent to 1000 1 are free and there is no limit on the number of times. Please feel free to use them. If you need to check the bill and pay the phone bill, please go to the online business hall of Anhui Telecom. Wish you a happy life! I hope my answer will help you and be adopted by you!