Map
General Information
| Postal Area | Monmouthshire |
| Postcode | NP9 1YA |
| User Type | Large (more than 25 items of mail per day) |
| Region | — |
| Country | Wales |
| Local authority | Newport |
| Introduction Date | 1996-12-01 |
| Termination Date | 1998-12-01 |
Geographic Information
| Latitude | 51.5859160 |
| Longitude | -2.9945480 |
| Easting | 331191 |
| Northing | 187920 |
| Quality | Postcode sector mean, (mainly PO Boxes) |