Closing your account will result in the following:
The closed account’s Online ID cannot be used to create another account.
You will lose access to any content purchased using the account. This content cannot be transferred to another account, and refunds can only be given in line with the PlayStation Store cancellation policy.
You will lose access to any subscriptions and their associated entitlements.
You will lose access to your PSN wallet. Funds in your wallet cannot be returned, as stated in the SEN Terms of Service.
To help us assist you please be prepared with your Online ID, Sign-in ID (the email address associated with your account) and the following information:
Details of the payment method in use on your account.
Serial number of the console used to create or log into your account.
Details of a recent transaction (including Order Number, content purchased, price and date of the transaction).