| Country | England |
|---|---|
| UK region | Eastern |
| Postcode area | IP |
| District | Mid Suffolk |
Harleston postcode districts
Harleston has 1 postcode district
Harleston postcode sectors
Harleston has 1 postcode sector
| Country | England |
|---|---|
| UK region | Eastern |
| Postcode area | IP |
| District | Mid Suffolk |
Harleston has 1 postcode district
Harleston has 1 postcode sector