Map
General Information
| Postal Area | County Durham |
| Postcode | DL1 1TS |
| User Type | Large (more than 25 items of mail per day) |
| Region | North East |
| Country | England |
| Local authority | Darlington |
| Introduction Date | 1991-01-01 |
| Termination Date | 1998-12-01 |
| IMD 2025 | Decile 3 (most deprived = 1, least = 10) Rank 8,679 of 33,755 English Indices of Deprivation 2025 |
Geographic Information
| Latitude | 54.5256890 |
| Longitude | -1.5362500 |
| Easting | 430113 |
| Northing | 514588 |
| Quality | Postcode sector mean, (mainly PO Boxes) |