| Postcode | Country | County | Type | Status |
|---|---|---|---|---|
| Wales | (pseudo) Wales | Large | Terminated March 2009 | |
| Wales | (pseudo) Wales | Large | Terminated January 2003 | |
| Wales | (pseudo) Wales | Large | Terminated February 2019 | |
| Wales | (pseudo) Wales | Large | Terminated August 2003 | |
| Wales | (pseudo) Wales | Large | Terminated February 2019 | |
| Large | Terminated September 2008 | |||
| Large | Terminated March 2009 | |||
| Large | Terminated August 2009 | |||
| Large | Terminated August 2010 | |||
| Large | Terminated September 2009 | |||
| Large | Terminated November 2009 | |||
| Large | Terminated July 2011 | |||
| Large | Terminated August 2010 | |||
| Wales | (pseudo) Wales | Large | Terminated September 2013 | |
| Large | Terminated December 2010 | |||
| Large | Terminated March 2011 | |||
| Large | Terminated October 2011 | |||
| Large | Terminated May 2011 | |||
| Large | Terminated December 2010 | |||
| Large | Terminated October 2011 |