You should be aware that your account with Park is not a bank account or equivalent and that any pre-payments made to Park are not covered by the Financial Services Compensation Scheme. Your pre-payments are however held in an independent trust designed to improve protection of pre-payments made by you and agents in respect of orders.
You can see full details of the trust here.
Calls to 0844 numbers will cost 7p per minute plus your phone company access charge. Calls to 0845 numbers will cost 5p per minute plus your phone company access charge