Map
General Information
| Postal Area | Northumberland |
| Postcode | NE1 4LL |
| User Type | Large (more than 25 items of mail per day) |
| Region | North East |
| Country | England |
| Local authority | Newcastle upon Tyne |
| Introduction Date | 1980-01-01 |
| Termination Date | 2000-06-01 |
Geographic Information
| Latitude | 54.9769410 |
| Longitude | -1.6214640 |
| Easting | 424327 |
| Northing | 564769 |
| Quality | Within the building of the matched address closest to the postcode mean |