The NN11 6SL 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 1980-01 and terminated on 1994-05.
| Name | Type |
|---|---|
| OA21CD | E00138916 |
| LSOA21CD | E01027306 |
| MSOA21CD | E02005687 |
| MSOA21 | Silverstone, Syresham & Helmdon |
| Postcode Area | NN11 |
| Ward | Silverstone |
| LTLA22 | West Northamptonshire |
| UTLA22 | West Northamptonshire |
| Region | East Midlands |
| Country | England |
| Co-ordinates | [ -1.1635225044901547, 52.13874994814154 ] |