| Postcode | Country | County | Type | Status |
|---|---|---|---|---|
| Wales | (pseudo) Wales | Large | Terminated January 2009 | |
| Wales | (pseudo) Wales | Large | Terminated January 2006 | |
| Wales | (pseudo) Wales | Large | ||
| Wales | (pseudo) Wales | Large | Terminated July 2007 | |
| Wales | (pseudo) Wales | Large | Terminated March 2007 | |
| Wales | (pseudo) Wales | Large | Terminated June 2008 | |
| Wales | (pseudo) Wales | Large | Terminated April 2006 | |
| Large | Terminated January 2006 | |||
| Wales | (pseudo) Wales | Large | Terminated June 2015 | |
| Wales | (pseudo) Wales | Large | Terminated June 2008 | |
| Wales | (pseudo) Wales | Large | Terminated March 2006 | |
| Wales | (pseudo) Wales | Large | Terminated March 2006 | |
| Wales | (pseudo) Wales | Large | Terminated June 2008 | |
| Wales | (pseudo) Wales | Large | Terminated December 2018 | |
| Wales | (pseudo) Wales | Large | ||
| Wales | (pseudo) Wales | Large | Terminated June 2008 | |
| Wales | (pseudo) Wales | Large | Terminated April 2013 | |
| Wales | (pseudo) Wales | Large | Terminated April 2009 | |
| Wales | (pseudo) Wales | Large | Terminated April 2009 | |
| Wales | (pseudo) Wales | Large |