| Postcode | Country | County | Type | Status |
|---|---|---|---|---|
| Wales | (pseudo) Wales | Large | Terminated May 2009 | |
| Wales | (pseudo) Wales | Large | Terminated December 2018 | |
| Wales | (pseudo) Wales | Large | Terminated June 2009 | |
| Wales | (pseudo) Wales | Large | Terminated July 2007 | |
| Wales | (pseudo) Wales | Large | Terminated July 2007 | |
| Wales | (pseudo) Wales | Large | Terminated July 2007 | |
| Wales | (pseudo) Wales | Large | Terminated August 2008 | |
| Wales | (pseudo) Wales | Large | Terminated July 2018 | |
| Wales | (pseudo) Wales | Large | Terminated July 2008 | |
| Wales | (pseudo) Wales | Large | Terminated July 2017 | |
| Wales | (pseudo) Wales | Large | Terminated October 2010 | |
| Wales | (pseudo) Wales | Large | Terminated October 2008 | |
| Wales | (pseudo) Wales | Large | Terminated December 2008 | |
| Wales | (pseudo) Wales | Large | Terminated September 2008 | |
| Wales | (pseudo) Wales | Large | Terminated August 2010 | |
| Wales | (pseudo) Wales | Large | Terminated October 2007 | |
| Wales | (pseudo) Wales | Large | Terminated October 2010 | |
| Wales | (pseudo) Wales | Large | ||
| Wales | (pseudo) Wales | Large | Terminated October 2015 | |
| Wales | (pseudo) Wales | Large | Terminated October 2010 |