The WD1 1AA postcode was located in Watford, Hertfordshire postcode town, within East of England, England region.
It is now a terminated postcode, it was a Large User postcode introduced in 1990-02 and terminated on 1994-05.
| Name | Type |
|---|---|
| OA21CD | E00121203 |
| LSOA21CD | E01023866 |
| MSOA21CD | E02004978 |
| MSOA21 | Holywell |
| Postcode Area | WD1 |
| Ward | Holywell |
| LTLA22 | Watford |
| UTLA22 | Hertfordshire |
| Region | East of England |
| Country | England |
| Co-ordinates | [ -0.4245065624914109, 51.64861979273134 ] |