Changes to the Postcode Address File (PAF) can take up to five days to come into effect before they appear on the Royal Mail’s Postcode Finder. How do I change my postal adress with the Royal Mail?

Royal Mail operates around 1,350 delivery offices in the UK, each serving a selection of local postcodes. The company explained: "We aim to deliver to all addresses we have mail for, six days a week.

When this happens, Royal Mail recommends contacting them directly. The postal service added: "Whether for a business or residential address, simply use the short online form on our website to ...

The Royal Mail has explained two letters can never appear next to each other in a UK postcode. The mail service created the postcode system to maintain a database of deliverable addresses. The ...