Sectors in SO20
| Sector | Main place | Postcodes |
|---|---|---|
| SO20 6 | King's Somborne | 198 |
| SO20 8 | Broughton | 148 |
Places covered by SO20
- Broughton Test Valley · 38
- King's Somborne Test Valley · 38
- Kentsboro Test Valley · 35
- Over Wallop Test Valley · 27
- Chilbolton Test Valley · 26
- Stockbridge Test Valley · 23
- Longstock Test Valley · 16
- Houghton Test Valley · 15
- Middle Wallop Test Valley · 11
- Nether Wallop Test Valley · 11
- Up Somborne Test Valley · 6
- Ashley Test Valley · 3
- Horsebridge Test Valley · 3
- Winchester Winchester · 3
- Compton Test Valley · 2
- Furzedown Test Valley · 2
- Little Somborne Test Valley · 2
- North Houghton Test Valley · 2
- Bossington Test Valley · 1
- Chilbolton Down Test Valley · 1
- Danebury Test Valley · 1
- Leckford Test Valley · 1
- Newton Stacey Test Valley · 1