Map
General Information
| Postal Area | Watford |
| Postcode | WD1 1QL |
| User Type | Large (more than 25 items of mail per day) |
| Region | East of England |
| Country | England |
| Local authority | Watford |
| Introduction Date | 1980-01-01 |
| Termination Date | 1994-12-01 |
Geographic Information
| Latitude | 51.6617500 |
| Longitude | -0.3980260 |
| Easting | 510900 |
| Northing | 197100 |
| Quality | Postcode terminated prior to Gridlink® initiative, last known ONS postcode grid reference |