Map
General Information
| Postal Area | West Northamptonshire |
| Postcode | NN1 1AS |
| User Type | Large (more than 25 items of mail per day) |
| Region | East Midlands |
| Country | England |
| Local authority | West Northamptonshire |
| Introduction Date | 1994-05-01 |
| Termination Date | 2013-10-01 |
| IMD 2025 | Decile 1 (most deprived = 1, least = 10) Rank 2,631 of 33,755 English Indices of Deprivation 2025 |
Geographic Information
| Latitude | 52.2329330 |
| Longitude | -0.9126960 |
| Easting | 474354 |
| Northing | 259972 |
| Quality | Within the building of the matched address closest to the postcode mean |