What should I do if the former user who changed his mobile phone number is bound to Zhejiang Electric Power and keeps sending me messages?

According to your description, this happens because your mobile phone number may be the second time the operator uses it. The SMS reminder function of the previous number in the power supply has not been cancelled so far, resulting in your receiving relevant information. You can call customer service to cancel.

Mobile phone number, also known as mobile phone SIM card, is composed of 1 1 digits, which together constitute mobile communication terminal equipment. Whether in GSM system or CDMA system, users of digital mobile phones will get a mobile phone number when they "access the network". The mobile phone number is a "smart card" conforming to the GSM specification, which can be inserted into any mobile phone conforming to the GSM specification to realize the function of "the phone number is not random with the card", and the call fee is automatically included in the cardholder's bill, regardless of the mobile phone.

The mobile phone number used in China is 1 1 digit. Our mobile phone number can be divided into three segments, and each segment has different coding meanings: the first three digits are the network identification number, 4-7 digits are the area code (HLR home location register), and 8-1/digit is the user number (randomly assigned).