Map
General Information
| Postal Area | Watford |
| Postcode | WD1 3DZ |
| User Type | Small (less than 25 items of mail per day) |
| Region | East of England |
| Country | England |
| Local authority | Watford |
| Introduction Date | 1984-10-01 |
| Termination Date | 2000-07-01 |
Geographic Information
| Latitude | 51.6677270 |
| Longitude | -0.4091370 |
| Easting | 510117 |
| Northing | 197748 |
| Quality | Within the building of the matched address closest to the postcode mean |