Map
General Information
| Postal Area | County Durham |
| Postcode | DH1 3ED |
| User Type | Large (more than 25 items of mail per day) |
| Region | North East |
| Country | England |
| Local authority | County Durham |
| Introduction Date | 1991-01-01 |
| Termination Date | 1998-12-01 |
Geographic Information
| Latitude | 54.7686390 |
| Longitude | -1.5787390 |
| Easting | 427201 |
| Northing | 541605 |
| Quality | Postcode sector mean, (mainly PO Boxes) |