If the mobile phone is in arrears for two months, there will be a penalty, which is calculated according to three thousandths of a day. The mobile phone was cancelled after three months' arrears. Therefore, when the historical arrears of the mobile phone number are not paid, it will be included in the company's banned list and have the following effects:

1, China Mobile, if the ID card is used, the ID card will be blacklisted; If you don't pay the phone bill, you can't apply for a new number;

2, Unicom, if you need to apply for a new number, you need to pay the phone bill, you can also apply if you don't pay it, and there will be several hard constraints after handling it;

3, telecommunications, telecommunications, arrears, blacklisted, affecting personal reputation and business handling.