Map
General Information
| Postal Area | Chelmsford |
| Postcode | CM1 3QN |
| User Type | Large (more than 25 items of mail per day) |
| Region | East of England |
| Country | England |
| Local authority | Chelmsford |
| Introduction Date | 1980-01-01 |
| Termination Date | 2005-05-01 |
| IMD 2025 | Decile 5 (most deprived = 1, least = 10) Rank 15,854 of 33,755 English Indices of Deprivation 2025 |
Geographic Information
| Latitude | 51.7084590 |
| Longitude | 0.3711100 |
| Easting | 563924 |
| Northing | 203741 |
| Quality | Within the building of the matched address closest to the postcode mean |