| Postcode | Country | County | Type | Status |
|---|---|---|---|---|
| Wales | (pseudo) Wales | Large | Terminated January 2021 | |
| Wales | (pseudo) Wales | Large | Terminated May 2017 | |
| Wales | (pseudo) Wales | Large | ||
| Wales | (pseudo) Wales | Large | Terminated July 2019 | |
| Wales | (pseudo) Wales | Large | Terminated October 2019 | |
| Wales | (pseudo) Wales | Large | Terminated February 2021 | |
| Wales | (pseudo) Wales | Large | ||
| Wales | (pseudo) Wales | Large | ||
| Wales | (pseudo) Wales | Large | ||
| Wales | (pseudo) Wales | Large | ||
| Wales | (pseudo) Wales | Large | ||
| Wales | (pseudo) Wales | Large | ||
| Large | Terminated April 2005 | |||
| Wales | (pseudo) Wales | Small | ||
| Wales | (pseudo) Wales | Small | ||
| Wales | (pseudo) Wales | Small | ||
| Wales | (pseudo) Wales | Small | ||
| Wales | (pseudo) Wales | Small | ||
| Wales | (pseudo) Wales | Small | ||
| Wales | (pseudo) Wales | Small |