| Postcode | Country | County | Type | Status |
|---|---|---|---|---|
| England | North Yorkshire | Small | ||
| England | North Yorkshire | Small | ||
| England | North Yorkshire | Small | ||
| England | North Yorkshire | Small | ||
| England | North Yorkshire | Small | ||
| England | North Yorkshire | Small | ||
| England | North Yorkshire | Small | ||
| England | North Yorkshire | Small | ||
| England | North Yorkshire | Small | ||
| England | North Yorkshire | Small | ||
| England | North Yorkshire | Small | ||
| England | North Yorkshire | Small | ||
| England | North Yorkshire | Small | ||
| England | North Yorkshire | Small | ||
| England | North Yorkshire | Small | ||
| England | North Yorkshire | Small | ||
| England | North Yorkshire | Small | ||
| England | North Yorkshire | Small | ||
| England | North Yorkshire | Large | Terminated December 1991 | |
| England | North Yorkshire | Small |