Map
General Information
| Postal Area | County Durham |
| Postcode | DL9 3DD |
| User Type | Small (less than 25 items of mail per day) |
| Region | Yorkshire and The Humber |
| Country | England |
| Local authority | — |
| Introduction Date | 1980-01-01 |
| Termination Date | 1981-12-01 |
Geographic Information
| Latitude | 54.3789840 |
| Longitude | -1.7243890 |
| Easting | 418000 |
| Northing | 498200 |
| Quality | Postcode terminated prior to Gridlink® initiative, last known ONS postcode grid reference |