Can I return the cancellation number of Unicom mobile phone card?

Unicom's mobile phone card sales number will be refunded.

I need to open an account and take my ID card to Unicom to cancel the card. When handling the account cancellation business, if the account cancellation card needs arrears, the excess fee will be returned to the cardholder.

Extended data:

When real-name registration system mobile phone card is implemented, it needs to be cancelled when it is not used, otherwise it is easy to continue to generate charges, and the corresponding fees should be replenished when handling the company's business. In order to avoid unnecessary trouble, if you don't plan to continue using this card, please cancel it in the opposite business hall in time.

After registration in real-name registration system, one ID card can only handle 18 mobile phone cards. Mobile five numbers, Unicom five 2G numbers and five 3G numbers *** 10 card numbers, and telecom three numbers. Cancellation of unused cards can avoid the occupation of mobile phone card quota.

Refer to Baidu Encyclopedia-Mobile Phone Real Name Registration System