| Postcode | Country | County | Type | Status |
|---|---|---|---|---|
| Wales | (pseudo) Wales | Large | Terminated April 2012 | |
| Wales | (pseudo) Wales | Large | Terminated August 2009 | |
| Wales | (pseudo) Wales | Large | Terminated May 2009 | |
| Wales | (pseudo) Wales | Large | Terminated August 2009 | |
| Wales | (pseudo) Wales | Large | Terminated February 2010 | |
| Wales | (pseudo) Wales | Large | Terminated April 2012 | |
| Wales | (pseudo) Wales | Large | Terminated September 2021 | |
| Wales | (pseudo) Wales | Large | Terminated February 2012 | |
| Wales | (pseudo) Wales | Large | Terminated October 2021 | |
| Large | Terminated January 2005 |