| Postcode | Country | County | Type | Status |
|---|---|---|---|---|
| Wales | (pseudo) Wales | Large | Terminated April 2009 | |
| Wales | (pseudo) Wales | Large | Terminated December 2018 | |
| Wales | (pseudo) Wales | Large | Terminated May 2011 | |
| Wales | (pseudo) Wales | Large | Terminated July 2010 | |
| Wales | (pseudo) Wales | Large | Terminated June 2011 | |
| Wales | (pseudo) Wales | Large | Terminated September 2014 | |
| Wales | (pseudo) Wales | Large | Terminated March 2017 | |
| Wales | (pseudo) Wales | Large | Terminated June 2011 | |
| Wales | (pseudo) Wales | Large | Terminated February 2012 | |
| Wales | (pseudo) Wales | Large | ||
| Wales | (pseudo) Wales | Large | Terminated July 2012 | |
| Wales | (pseudo) Wales | Large | Terminated April 2013 | |
| Wales | (pseudo) Wales | Large | Terminated February 2013 | |
| Wales | (pseudo) Wales | Large | ||
| Wales | (pseudo) Wales | Large | Terminated December 2015 | |
| Wales | (pseudo) Wales | Large | Terminated September 2013 | |
| Wales | (pseudo) Wales | Large | Terminated April 2015 | |
| Wales | (pseudo) Wales | Large | Terminated October 2020 | |
| Wales | (pseudo) Wales | Large | Terminated January 2016 | |
| Wales | (pseudo) Wales | Large | Terminated June 2017 |