| Postcode | Country | County | Type | Status |
|---|---|---|---|---|
| Wales | (pseudo) Wales | Large | Terminated May 2011 | |
| Wales | (pseudo) Wales | Large | Terminated October 2011 | |
| Wales | (pseudo) Wales | Large | Terminated October 2012 | |
| Wales | (pseudo) Wales | Large | Terminated October 2018 | |
| Wales | (pseudo) Wales | Large | Terminated December 2018 | |
| Wales | (pseudo) Wales | Large | Terminated June 2012 | |
| Wales | (pseudo) Wales | Large | Terminated January 2014 | |
| Wales | (pseudo) Wales | Large | Terminated July 2021 | |
| Wales | (pseudo) Wales | Large | Terminated December 2020 | |
| Wales | (pseudo) Wales | Large | Terminated July 2018 | |
| Wales | (pseudo) Wales | Large | ||
| Wales | (pseudo) Wales | Large | Terminated April 2019 | |
| Wales | (pseudo) Wales | Large | Terminated May 2019 | |
| Wales | (pseudo) Wales | Large | ||
| Wales | (pseudo) Wales | Large | ||
| Wales | (pseudo) Wales | Large | Terminated April 2020 | |
| Wales | (pseudo) Wales | Large | Terminated June 2021 | |
| Wales | (pseudo) Wales | Large | Terminated February 2022 | |
| Wales | (pseudo) Wales | Large | Terminated April 2021 | |
| Wales | (pseudo) Wales | Large | Terminated July 2021 |