| Postcode | Country | County | Type | Status |
|---|---|---|---|---|
| England | Somerset | Small | ||
| England | Somerset | Small | ||
| England | Somerset | Large | Terminated December 1990 | |
| England | Somerset | Small | ||
| England | Somerset | Small | ||
| England | Somerset | Large | ||
| England | Somerset | Small | ||
| England | Somerset | Small | ||
| England | Somerset | Small | ||
| England | Somerset | Small | ||
| England | Somerset | Small | ||
| England | Somerset | Small | ||
| England | Somerset | Small | ||
| England | Somerset | Small | ||
| England | Somerset | Small | ||
| England | Somerset | Small | ||
| England | Somerset | Small | ||
| England | Somerset | Small | ||
| England | Somerset | Small | ||
| England | Somerset | Small |