Why is the postal SMS fee deducted in 3 yuan for only 22 years?

contact the local post office or customer service center for details. According to the information obtained from the inquiry, the postal SMS fee refers to the cost of using SMS notification service in the delivery business, which is paid by the sender. Usually, the SMS fee is paid by the sender at the time of delivery, not deducted every year. If your situation is that the postal SMS fee was deducted from 3 yuan in 22 years, and you have not received any relevant notice and payment reminder before, you can contact the local post office or customer service center to find out the specific situation.