| Postcode | Country | County | Type | Status |
|---|---|---|---|---|
| Wales | (pseudo) Wales | Large | Terminated October 2013 | |
| Large | Terminated March 2010 | |||
| Large | Terminated March 2011 | |||
| Wales | (pseudo) Wales | Large | Terminated May 2017 | |
| Wales | (pseudo) Wales | Large | Terminated August 2012 | |
| Wales | (pseudo) Wales | Large | Terminated November 2016 | |
| Wales | (pseudo) Wales | Large | Terminated January 2013 | |
| Wales | (pseudo) Wales | Large | Terminated March 2022 | |
| Wales | (pseudo) Wales | Large | Terminated August 2014 | |
| Wales | (pseudo) Wales | Large | Terminated July 2015 | |
| Wales | (pseudo) Wales | Large | ||
| Wales | (pseudo) Wales | Large | Terminated September 2012 | |
| Wales | (pseudo) Wales | Large | Terminated March 2021 | |
| Wales | (pseudo) Wales | Large | Terminated March 2014 | |
| Wales | (pseudo) Wales | Large | Terminated September 2017 | |
| Wales | (pseudo) Wales | Large | ||
| Wales | (pseudo) Wales | Large | Terminated May 2016 | |
| Wales | (pseudo) Wales | Large | Terminated September 2015 | |
| Wales | (pseudo) Wales | Large | Terminated September 2017 | |
| Wales | (pseudo) Wales | Large | Terminated January 2018 |