Map
General Information
| Postal Area | Chelmsford |
| Postcode | CM1 4ZA |
| User Type | Large (more than 25 items of mail per day) |
| Region | East of England |
| Country | England |
| Local authority | Chelmsford |
| Introduction Date | 2004-07-01 |
| Termination Date | 2005-09-01 |
| IMD 2025 | Decile 5 (most deprived = 1, least = 10) Rank 15,854 of 33,755 English Indices of Deprivation 2025 |
Geographic Information
| Latitude | 51.7489860 |
| Longitude | 0.3766510 |
| Easting | 564160 |
| Northing | 208260 |
| Quality | Imputed by ONS, by reference to surrounding postcode grid references |