| Ort | Postleitzahl |
|---|---|
| Abthorpe, East Midlands) | NN12 |
| Adstone, East Midlands) | NN12 |
| Alderton, East Midlands) | NN12 |
| Appletree, East Midlands) | NN11 6UG |
| Ashton, East Midlands) | NN7 |
| Astcote, East Midlands) | NN12 |
| Aston Le Walls, East Midlands) | NN11 |
| Aynho, East Midlands) | OX17 |
| Blakesley, East Midlands) | NN12 |
| Blisworth, East Midlands) | NN7 |
| Brackley, East Midlands) | NN13 |
| Brackley Hatch, East Midlands) | NN13 |
| Bradden, East Midlands) | NN12 |
| Postleitzahlen in Northamptonshire | |
|---|---|
| Corby | |
| Daventry | |
| East Northamptonshire | |
| Kettering | |
| Northampton | |
| South Northamptonshire | |
| Wellingborough | |