The SW1A 1DW postcode was located in Westminster, Westminster postcode town, within London, England region.
It is now a terminated postcode, it was a Large User postcode introduced in 1997-06 and terminated on 2008-04.
| Name | Type |
|---|---|
| OA21CD | E00023939 |
| LSOA21CD | E01004736 |
| MSOA21CD | E02000977 |
| MSOA21 | Strand, St James & Mayfair |
| Postcode Area | SW1A |
| Ward | St James's |
| LTLA22 | Westminster |
| UTLA22 | Westminster |
| Region | London |
| Country | England |
| Co-ordinates | [ -0.13813342876416088, 51.50586406105324 ] |