| Postcode | Country | County | Type | Status |
|---|---|---|---|---|
| Wales | (pseudo) Wales | Large | Terminated December 2018 | |
| Wales | (pseudo) Wales | Large | Terminated August 2010 | |
| Wales | (pseudo) Wales | Large | Terminated August 2015 | |
| Wales | (pseudo) Wales | Large | Terminated October 2010 | |
| Wales | (pseudo) Wales | Large | Terminated October 2011 | |
| Wales | (pseudo) Wales | Large | Terminated November 2009 | |
| Wales | (pseudo) Wales | Large | Terminated January 2011 | |
| Wales | (pseudo) Wales | Large | Terminated November 2012 | |
| Wales | (pseudo) Wales | Large | Terminated May 2010 | |
| Wales | (pseudo) Wales | Large | Terminated August 2010 | |
| Wales | (pseudo) Wales | Large | Terminated August 2011 | |
| Wales | (pseudo) Wales | Large | Terminated August 2010 | |
| Wales | (pseudo) Wales | Large | Terminated September 2014 | |
| Wales | (pseudo) Wales | Large | Terminated February 2011 | |
| Wales | (pseudo) Wales | Large | Terminated February 2011 | |
| Wales | (pseudo) Wales | Large | Terminated March 2019 | |
| Wales | (pseudo) Wales | Large | Terminated May 2011 | |
| Wales | (pseudo) Wales | Large | Terminated May 2011 | |
| Wales | (pseudo) Wales | Large | Terminated June 2015 | |
| Wales | (pseudo) Wales | Large |