Map
General Information
| Postal Area | County Durham |
| Postcode | DL7 9YZ |
| User Type | Large (more than 25 items of mail per day) |
| Region | Yorkshire and The Humber |
| Country | England |
| Local authority | — |
| Introduction Date | 1994-05-01 |
| Termination Date | 1995-12-01 |
Geographic Information
| Latitude | 54.2957830 |
| Longitude | -1.5513270 |
| Easting | 429300 |
| Northing | 489000 |
| Quality | Postcode terminated prior to Gridlink® initiative, last known ONS postcode grid reference |