Map
General Information
| Postal Area | Watford |
| Postcode | WD1 1RR |
| User Type | Large (more than 25 items of mail per day) |
| Region | East of England |
| Country | England |
| Local authority | Watford |
| Introduction Date | 1992-08-01 |
| Termination Date | 1999-12-01 |
Geographic Information
| Latitude | 51.6624800 |
| Longitude | -0.3955130 |
| Easting | 511072 |
| Northing | 197185 |
| Quality | Postcode sector mean, (mainly PO Boxes) |