WN postcode area
The WN area holds 8 districts and 7,289 live postcodes; its largest place is Wigan.
| District | Live postcodes | Largest place with its centre there |
|---|---|---|
| WN1 | 690 | — |
| WN2 | 1,274 | Hindley |
| WN3 | 715 | Wigan |
| WN4 | 604 | Ashton in Makerfield |
| WN5 | 934 | Billinge |
| WN6 | 932 | Appley Bridge |
| WN7 | 1,212 | Leigh |
| WN8 | 928 | Skelmersdale |
Contains OS data © Crown copyright and database right 2026. Contains Royal Mail data © Royal Mail copyright and database right 2026. Source: Office for National Statistics licensed under the Open Government Licence v3.0. Postcode data is the ONS Postcode Directory, August 2026 edition; counts are live postcodes with a usable location. Northern Ireland postcodes carry a separate licence and are not included; Scotland joins when the site's Scottish coverage does.