Map
General Information
| Postal Area | County Durham |
| Postcode | DH1 3NW |
| User Type | Large (more than 25 items of mail per day) |
| Region | North East |
| Country | England |
| Local authority | County Durham |
| Introduction Date | 1997-06-01 |
| Termination Date | 2006-07-01 |
Geographic Information
| Latitude | 54.7773560 |
| Longitude | -1.5759740 |
| Easting | 427373 |
| Northing | 542576 |
| Quality | Within the building of the matched address closest to the postcode mean |