WN postcode area
The WN postcode area, also known as the Wigan postcode area, is a group of eight postcode districts in North West England, within three post towns. These cover most of the Metropolitan Borough of Wigan in Greater Manchester, plus small parts of West Lancashire and the Metropolitan Borough of St Helens in Merseyside.
Mail for the WN postcode area is processed at Warrington Mail Centre, along with mail for the CW, L and WA postcode areas.
Coverage
The approximate coverage of the postcode districts:! WN1
! WN2
! WN3
! WN4
! WN5
! WN6
! WN7
!rowspan=2|WN8