Southampton
34 postcode sectors mapped mainly to Southampton. Choose a district or browse the guides below. These are postcode sectors, not named neighbourhood boundaries.
Postcode districts
Area guides
34 sectors
- SO14 0Near Newtown
- SO14 1Near St Mary's
- SO14 6Near Westwood Park
- SO14 7Near St Mary's
- SO15 0Near Millbrook
- SO15 2Near The Polygon
- SO15 3Near Hill
- SO15 4Near Regents Park
- SO15 5Near Hill
- SO15 7Near Westwood Park
- SO15 8Near Regents Park
- SO15 9Near Hill
- SO16 2Near Swaythling
- SO16 3Near Bassett Green
- SO16 4Near Shirley Park
- SO16 5Near Aldermoor
- SO16 6Near Shirley Warren
- SO16 9Near Mansel Park
- SO17 1Near Westwood Park
- SO17 2Near Newtown
- SO17 3Near Westwood Park
- SO18 1Near Northam
- SO18 2Near Mansbridge
- SO18 4Near Midanbury
- SO18 5Near Harefield
- SO18 6Near Bitterne
- SO19 0Near Hightown
- SO19 1Near Pleasant View
- SO19 2Near Woolston
- SO19 4Near Northam
- SO19 5Near Sholing Common
- SO19 6Near Thornhill
- SO19 7Near Northam
- SO19 8Near Pleasant View
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.