| Postcode | Country | County | Type | Status |
|---|---|---|---|---|
| Wales | (pseudo) Wales | Large | Terminated August 2010 | |
| Wales | (pseudo) Wales | Large | Terminated December 2010 | |
| Wales | (pseudo) Wales | Large | Terminated November 2012 | |
| Wales | (pseudo) Wales | Large | Terminated May 2020 | |
| Wales | (pseudo) Wales | Large | Terminated September 2013 | |
| Wales | (pseudo) Wales | Large | Terminated September 2015 | |
| Wales | (pseudo) Wales | Large | Terminated June 2015 | |
| Wales | (pseudo) Wales | Large | Terminated August 2015 | |
| Wales | (pseudo) Wales | Large | ||
| Wales | (pseudo) Wales | Large | Terminated June 2019 | |
| Wales | (pseudo) Wales | Large | Terminated April 2019 | |
| Wales | (pseudo) Wales | Large | ||
| Wales | (pseudo) Wales | Large | Terminated October 2019 | |
| Wales | (pseudo) Wales | Large | Terminated January 2020 | |
| Wales | (pseudo) Wales | Large | Terminated July 2020 | |
| Wales | (pseudo) Wales | Large | ||
| Wales | (pseudo) Wales | Large | Terminated February 2022 | |
| Wales | (pseudo) Wales | Large | Terminated September 2021 | |
| Wales | (pseudo) Wales | Large | ||
| Wales | (pseudo) Wales | Large |