| 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 | Large | Terminated December 1997 | |
| England | North Yorkshire | Large | Terminated June 1997 | |
| England | (pseudo) England (UA/MD/LB) | Large | Terminated September 2003 |