NN14
5 sectors, 1,218 postcodes
North Northamptonshire
| Sector | Postcodes | Local authority |
|---|
| NN14 1 | 304 | North Northamptonshire |
| NN14 2 | 252 | North Northamptonshire |
| NN14 3 | 148 | North Northamptonshire |
| NN14 4 | 311 | North Northamptonshire |
| NN14 6 | 203 | North Northamptonshire |