| Postcode | Country | County | Type | Status |
|---|---|---|---|---|
| Wales | (pseudo) Wales | Small | ||
| Wales | (pseudo) Wales | Small | ||
| Wales | (pseudo) Wales | Small | ||
| Large | Terminated June 2009 | |||
| Large | Terminated August 2009 | |||
| Large | Terminated August 2009 | |||
| Large | Terminated August 2010 | |||
| Large | Terminated August 2009 | |||
| Large | Terminated June 2009 | |||
| Wales | (pseudo) Wales | Large | Terminated December 2018 | |
| Large | Terminated June 2011 | |||
| Large | Terminated August 2011 | |||
| Wales | (pseudo) Wales | Large | ||
| Wales | (pseudo) Wales | Large | Terminated May 2012 | |
| Wales | (pseudo) Wales | Large | Terminated March 2014 | |
| Wales | (pseudo) Wales | Large | Terminated August 2013 | |
| Wales | (pseudo) Wales | Large | Terminated April 2012 | |
| Wales | (pseudo) Wales | Large | Terminated July 2012 | |
| Wales | (pseudo) Wales | Large | Terminated May 2014 | |
| Wales | (pseudo) Wales | Large | Terminated July 2015 |