Districts in the DN area
| District | Main place | Local authority | Sectors | Postcodes |
|---|---|---|---|---|
| DN1 | Doncaster | Doncaster | 4 | 483 |
| DN2 | Doncaster | Doncaster | 3 | 576 |
| DN3 | Armthorpe | Doncaster | 3 | 742 |
| DN4 | Doncaster | Doncaster | 6 | 1,329 |
| DN5 | Bentley | Doncaster | 4 | 971 |
| DN6 | Adwick le Street | Doncaster | 4 | 857 |
| DN7 | Dunscroft | Doncaster | 3 | 662 |
| DN8 | Thorne | Doncaster | 2 | 494 |
| DN9 | Epworth | North Lincolnshire | 3 | 687 |
| DN10 | Bawtry | Bassetlaw | 3 | 567 |
| DN11 | New Rossington | Doncaster | 3 | 843 |
| DN12 | Conisbrough | Doncaster | 4 | 630 |
| DN14 | Goole | East Riding of Yorkshire | 7 | 1,693 |
| DN15 | Scunthorpe | North Lincolnshire | 6 | 990 |
| DN16 | Scunthorpe | North Lincolnshire | 3 | 749 |
| DN17 | Scunthorpe | North Lincolnshire | 4 | 965 |
| DN18 | Barton-upon-Humber | North Lincolnshire | 3 | 368 |
| DN19 | Barrow upon Humber | North Lincolnshire | 2 | 240 |
| DN20 | Brigg | North Lincolnshire | 4 | 674 |
| DN21 | Gainsborough | West Lindsey | 6 | 1,371 |
| DN22 | Retford | Bassetlaw | 8 | 1,244 |
| DN31 | Grimsby | North East Lincolnshire | 4 | 458 |
| DN32 | Grimsby | North East Lincolnshire | 4 | 654 |
| DN33 | Grimsby | North East Lincolnshire | 3 | 557 |
| DN34 | Grimsby | North East Lincolnshire | 2 | 470 |
| DN35 | Cleethorpes | North East Lincolnshire | 4 | 814 |
| DN36 | New Waltham | North East Lincolnshire | 2 | 661 |
| DN37 | Grimsby | North East Lincolnshire | 4 | 674 |
| DN38 | Barnetby le Wold | North Lincolnshire | 1 | 105 |
| DN39 | Ulceby | North Lincolnshire | 1 | 114 |
| DN40 | Immingham | North East Lincolnshire | 4 | 456 |
| DN41 | Healing | North East Lincolnshire | 2 | 245 |
Main places in the DN area
- Grimsby
- Doncaster
- Scunthorpe
- Cleethorpes
- Retford
- Gainsborough
- Goole
- Adwick le Street
- Thorne
- Immingham
- Barton-upon-Humber
- Armthorpe
- Conisbrough
- Bentley
- New Rossington
- Humberston
- Dunscroft
- New Waltham
- Brigg
- Waltham
- Stainforth
- New Edlington
- Howden
- Sprotbrough
- Askern
- Tickhill
- Bircotes
- Broughton
- Scawsby
- Bawtry