DN postcode area
The DN postcode area, also known as the Doncaster postcode area, is a group of 32 postcode districts in northern England, within 13 post towns. These cover eastern South Yorkshire, north Lincolnshire, parts of north Nottinghamshire and the south-west of the East Riding of Yorkshire, and a small part of southern North Yorkshire.
The S64 postcode district for Mexborough was earmarked as DN13, which has never been used. Otherwise, the area's districts are numbered sequentially up to DN22, then from DN31 to DN41 for Grimsby and surrounding settlements.
Mail for the DN postcode area is processed at Sheffield Mail Centre, along with mail for the LN, S, and HU postcode areas.
Coverage
The approximate coverage of the postcode districts:! DN1
! DN2
! DN3
! DN4
! DN5
! DN6
! DN7
! DN8
! DN9
! DN10
! DN11
! DN12
! DN14
! DN15
! DN16
! DN17
! DN18
! DN19
! DN20
! DN21
! DN22
! DN31
! DN32
! DN33
! DN34
! DN35
! DN36
! DN37
! DN38
! DN39
! DN40
! DN41
! DN55