Map
General Information
| Postal Area | Monmouthshire |
| Postcode | NP1 9XJ |
| User Type | Large (more than 25 items of mail per day) |
| Region | — |
| Country | Wales |
| Local authority | Newport |
| Introduction Date | 1990-07-01 |
| Termination Date | 1999-06-01 |
Geographic Information
| Latitude | 51.5861070 |
| Longitude | -3.0550450 |
| Easting | 327000 |
| Northing | 188000 |
| Quality | Postcode terminated prior to Gridlink® initiative, last known ONS postcode grid reference |