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