The NN1 3RB 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 1991-09 and terminated on 1992-12.
| Name | Type |
|---|---|
| OA21CD | E00138135 |
| LSOA21CD | E01027153 |
| MSOA21CD | E02005670 |
| MSOA21 | Town Centre & Semilong |
| Postcode Area | NN1 |
| Ward | St. George |
| LTLA22 | West Northamptonshire |
| UTLA22 | West Northamptonshire |
| Region | East Midlands |
| Country | England |
| Co-ordinates | [ -0.8970867912177936, 52.24472825917288 ] |