Sectors in DN18
| Sector | Main place | Postcodes |
|---|---|---|
| DN18 5 | Barton-upon-Humber | 255 |
| DN18 6 | Barton-upon-Humber | 111 |
| DN18 9 | Barton-upon-Humber | 2 |
Places covered by DN18
- Barton-upon-Humber North Lincolnshire · 305
- South Ferriby North Lincolnshire · 27
- Horkstow North Lincolnshire · 6
- Ferriby Sluice North Lincolnshire · 5
- Burnham North Lincolnshire · 4