This is a list of postcodes in the NP26 area covering the areas of Caldicot, Magor, Newport, Monmouthshire. The area contains approximately 9,171 households with a population of about 22,595 (2011 census)
Active postcode 
  
Postcode no longer in use| Postcode | Latitude | Longitude | Easting | Northing | Grid reference | Active? | 
|---|---|---|---|---|---|---|
| NP26 9DF | 51.588001 | -2.760185 | 347431 | 187957 | ST474879 | No | 
| NP26 9DG | 51.588001 | -2.760185 | 347431 | 187957 | ST474879 | No | 
| NP26 9DH | 51.588001 | -2.760185 | 347431 | 187957 | ST474879 | No | 
| NP26 9DJ | 51.588001 | -2.760185 | 347431 | 187957 | ST474879 | No | 
| NP26 9DL | 51.588001 | -2.760185 | 347431 | 187957 | ST474879 | No | 
| NP26 9DN | 51.588001 | -2.760185 | 347431 | 187957 | ST474879 | Yes | 
| NP26 9DP | 51.588001 | -2.760185 | 347431 | 187957 | ST474879 | Yes |