Test Valley
24 postcode sectors mapped mainly to Test Valley. Choose a district or browse the guides below. These are postcode sectors, not named neighbourhood boundaries.
Postcode districts
Area guides
24 sectors
- SO16 0Near Rownhams
- SO16 7Near Bassett
- SO16 8Near Lordshill
- SO20 6Near Test Valley
- SO20 8Near Nether Wallop
- SO51 0Near Michelmersh and Timsbury
- SO51 1Near Romsey
- SO51 5Near Romsey
- SO51 6Near Wellow
- SO51 7Near Romsey
- SO51 8Near Romsey
- SO51 9Near Romsey
- SO52 9Near North Baddesley
- SO53 4Near Valley Park
- SP10 1Near Andover
- SP10 2Near Andover
- SP10 3Near Andover
- SP10 4Near Andover
- SP10 5Near Picket Piece
- SP10 9Near Andover
- SP11 0Near Tangley
- SP11 6Near St. Mary Bourne
- SP11 7Near Upper Clatford
- SP11 8Near Amport
Authority grouping uses mapped sector boundaries from the Office for National Statistics, December 2025. It measures boundary area, not the number of addresses or residents. Guide names describe a place near the approximate sector centre.