Postcode Address File

Postcode Address File

The Postcode Address File (PAF) is a database which contains all known "Delivery Points" and postcodes in the United Kingdom. Buildings which contain several flats or businesses but only one external front door, will only have the external front door listed; the full addresses which include flat numbers, floors etc., are excluded from the PAF.

This address is used as a routing instruction by Royal Mail staff to sort and deliver mail quickly and accurately. However, it is not always a geographically accurate description of where a property is located. For example, in Outer London, where the former home county name is often (and incorrectly) used in the penultimate line of an address.

The PAF is a collection of over 29 million Royal Mail postal addresses and UK postcodes. It includes Small User Residential, Small User Organisation and Large User Organisation details. It is available in a variety of formats including Digital Audio Tape and compact disc. A charge is made for lookup services or wholesale supply of PAF data.

As owner of the PAF, Royal Mail is required by section 116 of the Postal Services Act 2000 to maintain the data and make it available on reasonable terms. Charges are regulated by Ofcom.

Read more about Postcode Address File:  Structure of The File, Alias Data, Errors, Costs and Public Availability

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