Map
General Information
| Postal Area | Chelmsford |
| Postcode | CM1 5ZB |
| User Type | Large (more than 25 items of mail per day) |
| Region | East of England |
| Country | England |
| Local authority | Chelmsford |
| Introduction Date | 1988-03-01 |
| Termination Date | 1990-12-01 |
| IMD 2025 | Decile 10 (most deprived = 1, least = 10) Rank 30,452 of 33,755 English Indices of Deprivation 2025 |
Geographic Information
| Latitude | 51.7487000 |
| Longitude | 0.4945700 |
| Easting | 572300 |
| Northing | 208500 |
| Quality | Postcode terminated prior to Gridlink® initiative, last known ONS postcode grid reference |