| Postcode | Country | County | Type | Status |
|---|---|---|---|---|
| Wales | (pseudo) Wales | Large | Terminated December 2014 | |
| Wales | (pseudo) Wales | Large | Terminated February 2012 | |
| Wales | (pseudo) Wales | Large | Terminated May 2010 | |
| Wales | (pseudo) Wales | Large | Terminated June 2012 | |
| Wales | (pseudo) Wales | Large | Terminated July 2012 | |
| Wales | (pseudo) Wales | Large | Terminated December 2018 | |
| Wales | (pseudo) Wales | Large | Terminated September 2011 | |
| Wales | (pseudo) Wales | Large | Terminated November 2014 | |
| Wales | (pseudo) Wales | Large | Terminated May 2014 | |
| Wales | (pseudo) Wales | Large | Terminated May 2011 | |
| Wales | (pseudo) Wales | Large | Terminated September 2019 | |
| Wales | (pseudo) Wales | Large | Terminated August 2011 | |
| Wales | (pseudo) Wales | Large | Terminated May 2011 | |
| Wales | (pseudo) Wales | Large | Terminated January 2013 | |
| Wales | (pseudo) Wales | Large | Terminated March 2012 | |
| Wales | (pseudo) Wales | Large | Terminated March 2016 | |
| Wales | (pseudo) Wales | Large | Terminated April 2014 | |
| Wales | (pseudo) Wales | Large | Terminated July 2013 | |
| Wales | (pseudo) Wales | Large | Terminated July 2020 | |
| Wales | (pseudo) Wales | Large | Terminated September 2013 |