Map
General Information
| Postal Area | Southampton |
| Postcode | SO51 8XN |
| User Type | Large (more than 25 items of mail per day) |
| Region | South East |
| Country | England |
| Local authority | Test Valley |
| Introduction Date | 1986-01-01 |
| Termination Date | 1995-01-01 |
Geographic Information
| Latitude | 50.9819550 |
| Longitude | -1.5042130 |
| Easting | 434900 |
| Northing | 120400 |
| Quality | Postcode terminated prior to Gridlink® initiative, last known ONS postcode grid reference |