Map
General Information
| Postal Area | Chelmsford |
| Postcode | CM1 3WN |
| User Type | Small (less than 25 items of mail per day) |
| Region | East of England |
| Country | England |
| Local authority | Chelmsford |
| Introduction Date | 1999-12-01 |
| Termination Date | 2008-04-01 |
| IMD 2025 | Decile 7 (most deprived = 1, least = 10) Rank 22,882 of 33,755 English Indices of Deprivation 2025 |
Geographic Information
| Latitude | 51.7224530 |
| Longitude | 0.4598210 |
| Easting | 570000 |
| Northing | 205500 |
| Quality | Imputed by ONS, by reference to surrounding postcode grid references |