The NN1 3AR postcode was located in West Northamptonshire, West Northamptonshire postcode town, within East Midlands, England region.
It is now a terminated postcode, it was a Small User postcode introduced in 1996-12 and terminated on 2009-05.
| 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 | [ -0.8945536531530166, 52.242340006137724 ] |