This is a list of postcodes in the HP3 area covering the areas of Apsley, Bovingdon, Felden, Flaunden, Hemel Hempstead, Leverstock Green, Dacorum. The area contains approximately 12,621 households with a population of about 31,930 (2011 census)
Active postcode
Postcode no longer in use| Postcode | Latitude | Longitude | Easting | Northing | Grid reference | Active? |
|---|---|---|---|---|---|---|
| HP3 9YZ | 51.743918 | -0.472405 | 505564 | 206128 | TL055061 | No |
| HP3 9ZA | 51.748408 | -0.469863 | 505730 | 206631 | TL057066 | No |
| HP3 9ZB | 51.748408 | -0.469863 | 505730 | 206631 | TL057066 | No |
| HP3 9ZE | 51.748408 | -0.469863 | 505730 | 206631 | TL057066 | No |
| HP3 9ZF | 51.748408 | -0.469863 | 505730 | 206631 | TL057066 | No |
| HP3 9ZG | 51.764182 | -0.439318 | 507801 | 208430 | TL078084 | No |
| HP3 9ZH | 51.748408 | -0.469863 | 505730 | 206631 | TL057066 | No |
| HP3 9ZJ | 51.748408 | -0.469863 | 505730 | 206631 | TL057066 | No |
| HP3 9ZL | 51.740035 | -0.46221 | 506277 | 205711 | TL062057 | No |
| HP3 9ZN | 51.748408 | -0.469863 | 505730 | 206631 | TL057066 | No |
| HP3 9ZP | 51.748408 | -0.469863 | 505730 | 206631 | TL057066 | No |
| HP3 9ZQ | 51.748408 | -0.469863 | 505730 | 206631 | TL057066 | No |
| HP3 9ZR | 51.764182 | -0.439318 | 507801 | 208430 | TL078084 | Yes |
| HP3 9ZU | 51.748408 | -0.469863 | 505730 | 206631 | TL057066 | No |
| HP3 9ZW | 51.748408 | -0.469863 | 505730 | 206631 | TL057066 | No |