Map
General Information
| Postal Area | Chelmsford |
| Postcode | CM1 1UJ |
| User Type | Large (more than 25 items of mail per day) |
| Region | East of England |
| Country | England |
| Local authority | Chelmsford |
| Introduction Date | 2003-02-01 |
| Termination Date | 2004-03-01 |
Geographic Information
| Latitude | 51.7388690 |
| Longitude | 0.4759220 |
| Easting | 571050 |
| Northing | 207363 |
| Quality | Imputed by ONS, by reference to surrounding postcode grid references |