| Postcode | Country | County | Type | Status |
|---|---|---|---|---|
| Wales | (pseudo) Wales | Large | ||
| Wales | (pseudo) Wales | Large | ||
| Wales | (pseudo) Wales | Large | ||
| Wales | (pseudo) Wales | Large | Terminated February 2020 | |
| Wales | (pseudo) Wales | Large | Terminated February 2018 | |
| Wales | (pseudo) Wales | Large | Terminated April 2020 | |
| Wales | (pseudo) Wales | Large | Terminated June 2020 | |
| Wales | (pseudo) Wales | Large | Terminated October 2020 | |
| Wales | (pseudo) Wales | Large | ||
| Wales | (pseudo) Wales | Large | ||
| Wales | (pseudo) Wales | Large | ||
| Wales | (pseudo) Wales | Large | ||
| Large | Terminated February 2005 | |||
| Large | Terminated February 2005 | |||
| Large | Terminated February 2005 | |||
| Large | Terminated February 2005 | |||
| Large | Terminated February 2005 | |||
| Large | Terminated February 2005 | |||
| Large | Terminated February 2005 | |||
| Large | Terminated February 2005 |