| Postcode | Country | County | Type | Status |
|---|---|---|---|
| Wales | (pseudo) Wales | Small | |
| Wales | (pseudo) Wales | Small | |
| Wales | (pseudo) Wales | Small | |
| Wales | (pseudo) Wales | Large | |
| Wales | (pseudo) Wales | Large | |
| 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 | |
| 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 | |
| Wales | (pseudo) Wales | Small |