Map
General Information
| Postal Area | Sunderland |
| Postcode | SR1 1DU |
| User Type | Large (more than 25 items of mail per day) |
| Region | North East |
| Country | England |
| Local authority | Sunderland |
| Introduction Date | 1991-09-01 |
| Termination Date | 2012-02-01 |
Geographic Information
| Latitude | 54.9183920 |
| Longitude | -1.4199210 |
| Easting | 437281 |
| Northing | 558342 |
| Quality | Within the building of the matched address closest to the postcode mean |