What text message should I send to check the historical bill?

The code of the telecom short message inquiry bill is 103. Users can edit the short message 100 1 to inquire about the bill details. Users can also log on to China Telecom's online business hall to check the details of the bill online. The steps are as follows:

1. Open the online business hall of China Telecom, and then log in your own telecom mobile phone number. After successfully logging into the account, you will automatically jump to the personal center.

2. After jumping to the personal center, find the bill query in the left navigation bar, as shown below:

3. Then select the month to query, and you can query the bill consumption details of that month.