Sectors in DL5
| Sector | Main place | Postcodes |
|---|---|---|
| DL5 4 | Newton Aycliffe | 234 |
| DL5 5 | Newton Aycliffe | 173 |
| DL5 6 | Newton Aycliffe | 217 |
| DL5 7 | Newton Aycliffe | 172 |
| DL5 9 | Newton Aycliffe | 6 |
Places covered by DL5
- Newton Aycliffe County Durham · 676
- Heighington Darlington · 45
- School Aycliffe County Durham · 37
- Middridge County Durham · 12
- Redworth Darlington · 10
- Preston-le-Skerne County Durham · 1