Map
General Information
| Postal Area | Chelmsford |
| Postcode | CM1 6SL |
| User Type | Large (more than 25 items of mail per day) |
| Region | East of England |
| Country | England |
| Local authority | Chelmsford |
| Introduction Date | 2001-01-01 |
| Termination Date | 2001-03-01 |
Geographic Information
| Latitude | 51.7579710 |
| Longitude | 0.4946170 |
| Easting | 572268 |
| Northing | 209531 |
| Quality | Imputed by ONS, by reference to surrounding postcode grid references |