The NN1 3HZ 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 1983-01 and terminated on 1988-12.
| Name | Type |
|---|---|
| OA21CD | E00189091 |
| LSOA21CD | E01035417 |
| MSOA21CD | E02005674 |
| MSOA21 | Cliftonville & Rushmere |
| Postcode Area | NN1 |
| Ward | Castle |
| LTLA22 | West Northamptonshire |
| UTLA22 | West Northamptonshire |
| Region | East Midlands |
| Country | England |
| Co-ordinates | [ -0.891386230401785, 52.2383813529885 ] |