| Postcode | Country | County | Type | Status |
|---|---|---|---|---|
| Wales | (pseudo) Wales | Large | Terminated August 2008 | |
| Wales | (pseudo) Wales | Large | Terminated April 2009 | |
| Wales | (pseudo) Wales | Large | Terminated May 2010 | |
| Wales | (pseudo) Wales | Large | Terminated June 2011 | |
| Wales | (pseudo) Wales | Large | Terminated August 2009 | |
| Wales | (pseudo) Wales | Large | Terminated August 2009 | |
| Wales | (pseudo) Wales | Large | Terminated December 2018 | |
| Wales | (pseudo) Wales | Large | Terminated December 2018 | |
| Wales | (pseudo) Wales | Large | Terminated August 2009 | |
| Wales | (pseudo) Wales | Large | Terminated February 2012 | |
| Wales | (pseudo) Wales | Large | Terminated March 2009 | |
| Wales | (pseudo) Wales | Large | Terminated May 2010 | |
| Wales | (pseudo) Wales | Large | Terminated December 2010 | |
| Wales | (pseudo) Wales | Large | Terminated May 2010 | |
| Wales | (pseudo) Wales | Large | Terminated September 2010 | |
| Wales | (pseudo) Wales | Large | Terminated August 2012 | |
| Wales | (pseudo) Wales | Large | Terminated September 2010 | |
| Wales | (pseudo) Wales | Large | Terminated October 2010 | |
| Wales | (pseudo) Wales | Large | Terminated February 2012 | |
| Wales | (pseudo) Wales | Large | Terminated April 2021 |