| Country | England |
|---|---|
| UK region | Eastern |
| Postcode area | SG |
| District | East Hertfordshire |
Walkern postcode districts
Walkern has 1 postcode district
Walkern postcode sectors
Walkern has 1 postcode sector
| Country | England |
|---|---|
| UK region | Eastern |
| Postcode area | SG |
| District | East Hertfordshire |
Walkern has 1 postcode district
Walkern has 1 postcode sector