| Postcode | Country | County | Type | Status |
|---|---|---|---|---|
| Wales | (pseudo) Wales | Small | Terminated February 2012 | |
| Wales | (pseudo) Wales | Small | Terminated August 2010 | |
| Wales | (pseudo) Wales | Small | Terminated December 2010 | |
| Wales | (pseudo) Wales | Small | Terminated October 2010 | |
| Wales | (pseudo) Wales | Small | Terminated February 2009 | |
| Wales | (pseudo) Wales | Small | ||
| Wales | (pseudo) Wales | Small | ||
| Wales | (pseudo) Wales | Small | ||
| Wales | (pseudo) Wales | Small | ||
| Wales | (pseudo) Wales | Small | ||
| Wales | (pseudo) Wales | Small | ||
| Wales | (pseudo) Wales | Small | ||
| Wales | (pseudo) Wales | Small | ||
| Wales | (pseudo) Wales | Small | ||
| Wales | (pseudo) Wales | Small | ||
| Wales | (pseudo) Wales | Small | ||
| Wales | (pseudo) Wales | Small | Terminated March 2007 | |
| Wales | (pseudo) Wales | Small | ||
| Wales | (pseudo) Wales | Small | Terminated May 1994 | |
| Wales | (pseudo) Wales | Small | Terminated May 1994 |