Map
General Information
| Postal Area | City of London |
| Postcode | EC1R 4UH |
| User Type | Large (more than 25 items of mail per day) |
| Region | London |
| Country | England |
| Local authority | Islington |
| Introduction Date | 1997-06-01 |
| Termination Date | 1999-12-01 |
| IMD 2025 | Decile 4 (most deprived = 1, least = 10) Rank 11,280 of 33,755 English Indices of Deprivation 2025 |
Geographic Information
| Latitude | 51.5257510 |
| Longitude | -0.1092110 |
| Easting | 531266 |
| Northing | 182454 |
| Quality | Postcode sector mean, (mainly PO Boxes) |