Map
General Information
| Postal Area | Monmouthshire |
| Postcode | NP11 5AX |
| User Type | Small (less than 25 items of mail per day) |
| Region | — |
| Country | Wales |
| Local authority | Caerphilly |
| Introduction Date | 1999-06-01 |
Geographic Information
| Latitude | 51.6808780 |
| Longitude | -3.1285690 |
| Easting | 322069 |
| Northing | 198616 |
| Quality | Within the building of the matched address closest to the postcode mean |