| Postcode | Country | County | Type | Status |
|---|---|---|---|---|
| England | North Yorkshire | Large | ||
| England | North Yorkshire | Large | Terminated March 2004 | |
| England | North Yorkshire | Large | Terminated November 2017 | |
| England | North Yorkshire | Large | Terminated February 2019 | |
| England | North Yorkshire | Large | Terminated June 1999 | |
| England | North Yorkshire | Large | Terminated June 1999 | |
| England | (pseudo) England (UA/MD/LB) | Large | Terminated June 2003 | |
| England | North Yorkshire | Large | Terminated September 2000 | |
| England | North Yorkshire | Large | Terminated June 2000 | |
| England | North Yorkshire | Large | Terminated March 2006 | |
| England | North Yorkshire | Large | Terminated June 1999 | |
| 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 |