Sectors in SO21
| Sector | Main place | Postcodes |
|---|---|---|
| SO21 1 | Colden Common | 299 |
| SO21 2 | Otterbourne | 201 |
| SO21 3 | South Wonston | 243 |
Places covered by SO21
- Colden Common Winchester · 95
- Twyford Winchester · 55
- South Wonston Winchester · 47
- Sutton Scotney Winchester · 43
- Otterbourne Winchester · 29
- Barton Stacey Test Valley · 24
- Itchen Abbas Winchester · 20
- Sparsholt Winchester · 18
- Compton Winchester · 16
- Hursley Winchester · 16
- Crawley Winchester · 14
- Easton Winchester · 13
- Worthy Down Winchester · 13
- Eastleigh Eastleigh · 11
- Micheldever Winchester · 11
- Owslebury Winchester · 11
- South Down Winchester · 9
- Martyr Worthy Winchester · 7
- Westley Winchester · 7
- Abbots Worthy Winchester · 6
- Shawford Winchester · 6
- Stoke Charity Winchester · 6
- Winchester Winchester · 6
- Wonston Winchester · 6
- East Stratton Winchester · 5
- Avington Winchester · 3
- Chilcomb Winchester · 3
- Hunton Winchester · 3
- Lane End Winchester · 3
- Morestead Winchester · 3
- Bransbury Test Valley · 2
- Egypt Winchester · 2
- Northbrook Winchester · 2
- Upper Bullington Test Valley · 2
- Weston Colley Winchester · 2
- Woodmancott Winchester · 2
- Baybridge Winchester · 1
- Cocksford Down Basingstoke and Deane · 1
- Dean Winchester · 1
- Highways Winchester · 1
- Ladwell Winchester · 1
- Lower Bullington Test Valley · 1
- Nob's Crook Winchester · 1
- Popham Basingstoke and Deane · 1
- Ratlake Test Valley · 1
- Silkstead Winchester · 1
- Standon Winchester · 1
- West Stratton Winchester · 1