The NN1 3NN postcode was located in West Northamptonshire, West Northamptonshire postcode town, within East Midlands, England region.
It is now a terminated postcode, it was a Large User postcode introduced in 1988-03 and terminated on 1990-12.
| Name | Type |
|---|---|
| OA21CD | E00169276 |
| LSOA21CD | E01027155 |
| MSOA21CD | E02005672 |
| MSOA21 | St Michael's Road |
| Postcode Area | NN1 |
| Ward | Castle |
| LTLA22 | West Northamptonshire |
| UTLA22 | West Northamptonshire |
| Region | East Midlands |
| Country | England |
| Co-ordinates | [ -0.8956670770879562, 52.2429168419634 ] |