Map
General Information
| Postal Area | Chelmsford |
| Postcode | CM1 1DT |
| User Type | Large (more than 25 items of mail per day) |
| Region | East of England |
| Country | England |
| Local authority | Chelmsford |
| Introduction Date | 1995-12-01 |
| Termination Date | 2018-04-01 |
Geographic Information
| Latitude | 51.7349740 |
| Longitude | 0.4695820 |
| Easting | 570627 |
| Northing | 206915 |
| Quality | Within the building of the matched address closest to the postcode mean |