If you have lost the schlussel keys to your mailbox or letter box, then Post Boxes UK can help. Simply order replacements online or send an email to [email protected], with the following information: Schlussel key nr (key series runs from A001 to A999 and B0001 to B2000) 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 1200 noon). Alternatively, you can order online on our secure website. Online orders received before 13:00 are despatched same business day. Availability - ex-stock. Cost includes Recorded Delivery (insured for loss / non-delivery) within UK. Orders from overseas may incur an additional postal charge. 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.