This is a list of postcodes in the SG9 area covering the areas of Buntingford, Westmill, East Hertfordshire. The area contains approximately 3,754 households with a population of about 9,510 (2011 census)
Active postcode 
  
Postcode no longer in use| Postcode | Latitude | Longitude | Easting | Northing | Grid reference | Active? | 
|---|---|---|---|---|---|---|
| SG9 9XF | 51.939235 | -0.016487 | 536448 | 228606 | TL364286 | Yes | 
| SG9 9XG | 51.939736 | -0.016858 | 536421 | 228661 | TL364286 | Yes | 
| SG9 9XN | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No | 
| SG9 9XQ | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No | 
| SG9 9ZX | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |