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NW postcode area

Postcode area within the United Kingdom

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The NW (North Western) postcode area, also known as the London NW postcode area, is a group of 13 postcode districts covering around 13,895 live postcodes within part of northwest London, England. It is the successor of the NW sector, originally created as part of the London postal district in 1856.

Postal administration

London postal arrangements were refined in 1917 when all its postcode districts (seven radial which are large and two innermost, much smaller) became publicly sub-divided; these were named after the location of the delivery office in each district. As London is one post town, district names are deprecated, in favour of the post town LONDON to be written/typed.

Within each NW postcode district, PO boxes are allocated to a unique postcode sector, except for two districts which use all available sectors for ordinary addresses and therefore have their separate non-geographic districts: NW1W for PO boxes in NW1 and NW26 for PO boxes in NW10.

List of postcode districts

The approximate coverage of the postcode districts, with the historic postal district names shown in italics:

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