| Country | England |
|---|---|
| UK region | Eastern |
| Postcode area | NR |
| District | Waveney |
Somerleyton, Ashby and Herringfleet postcode districts
Somerleyton, Ashby and Herringfleet has 1 postcode district
Somerleyton, Ashby and Herringfleet postcode sectors
Somerleyton, Ashby and Herringfleet has 1 postcode sector