If you have lost the JU keys to your mailbox, then Post Boxes UK can help. Simply send an email to [email protected], with the following information: JU key reference Your name and delivery address We will then forward an invoice to you and upon receipt of payment we can despatch the replacement keys to you same day (for orders before 12:00). Alternatively you can order securely on our website below. Availability - ex-stock. Online order received before 13:00 are despatched same business day. Should you require any further information, please call Post Boxes UK today on +44 (0)1922 218218. Alternatively, your enquiry can be emailed to [email protected] Thank you.