Map
General Information
| Postal Area | County Durham |
| Postcode | DL9 4AS |
| 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 |
Geographic Information
| Latitude | 54.3796910 |
| Longitude | -1.7189340 |
| Easting | 418354 |
| Northing | 498280 |
| Quality | Within the building of the matched address closest to the postcode mean |