NN17
6 sectors, 908 postcodes
North Northamptonshire
| Sector | Postcodes | Local authority |
|---|
| NN17 1 | 239 | North Northamptonshire |
| NN17 2 | 258 | North Northamptonshire |
| NN17 3 | 168 | North Northamptonshire |
| NN17 4 | 34 | North Northamptonshire |
| NN17 5 | 153 | North Northamptonshire |
| NN17 9 | 56 | North Northamptonshire |