| Postcode | Country | County | Type | Status |
|---|---|---|---|---|
| Wales | (pseudo) Wales | Large | Terminated May 2008 | |
| Wales | (pseudo) Wales | Large | Terminated June 2006 | |
| Wales | (pseudo) Wales | Large | Terminated April 2007 | |
| Wales | (pseudo) Wales | Large | Terminated May 2006 | |
| Wales | (pseudo) Wales | Large | Terminated May 2002 | |
| Wales | (pseudo) Wales | Large | Terminated November 2002 | |
| Wales | (pseudo) Wales | Large | Terminated August 2007 | |
| Wales | (pseudo) Wales | Large | Terminated April 2013 | |
| Wales | (pseudo) Wales | Large | Terminated July 2006 | |
| Wales | (pseudo) Wales | Large | Terminated April 2005 | |
| Wales | (pseudo) Wales | Large | Terminated January 2001 | |
| Wales | (pseudo) Wales | Large | Terminated December 2001 | |
| Wales | (pseudo) Wales | Large | Terminated December 2002 | |
| Wales | (pseudo) Wales | Large | Terminated July 2005 | |
| Wales | (pseudo) Wales | Large | Terminated January 2006 | |
| Wales | (pseudo) Wales | Large | Terminated April 2003 | |
| Wales | (pseudo) Wales | Large | Terminated January 2014 | |
| Large | Terminated January 2009 | |||
| Large | Terminated November 2009 | |||
| Wales | (pseudo) Wales | Large |