How to query the balance of telecom SMS package?

Hello! First of all, thank you for your support to China Telecom. According to your description, log in to the telecom online business hall to inquire about it, and click Expense Inquiry-Package Usage, as shown in the figure below:

I hope my answer can help you and get your adoption. If you need to pay the phone bill and handle other business, you can also log in to the telecom online business hall for enquiry. Thank you for your concern and support for telecom products. Wish you a happy life!