Joke Collection Website - Public benefit messages - How does Shanxi Unicom check the balance by SMS, and what is the tariff?

How does Shanxi Unicom check the balance by SMS, and what is the tariff?

Edit the short message "HF" and send it to "10655710"-check the phone bill balance;

Edit the short message "YH" and send it to "10655710"-inquire about the remaining minutes of the package.

The above messages are sent by Unicom mobile phone, free of charge;

If it is sent by China Mobile or China Telecom, it will be charged 0. 1 yuan/piece.