SO25 postcode district: Winchester and around, Hampshire
SO25 is a postcode district in Hampshire, with 1 postcode in use in 1 sector. It has postcodes in Winchester. Its council is Winchester.
- Postcodes in use
- 1
- Sectors
- 1
- Council
- Winchester
- Places
- Winchester
Source: Office for National Statistics (ONS) Postcode Directory, August 2026, loaded 20 October 2026. See all our data sources
Where it is
Latitude 51.0676
Longitude -1.2973
This is the middle of the postcodes in SO25. It is not a boundary: we do not draw one for a district.
Open this area on OpenStreetMapSource: Office for National Statistics (ONS) Postcode Directory, August 2026, loaded 20 October 2026. How we use it
Is SO25 at risk of flooding?
None of the 1 postcode in SO25 is on the Environment Agency's list of postcodes with a home or business in an area at risk of flooding from rivers or the sea.
Homes and businesses in an area at risk of flooding from rivers or the sea, as the Environment Agency counts them, added up over the postcodes. It is for the land, not each building, and leaves out surface water, groundwater and sewers. Each postcode page has its own figures and its flood warning areas.
Source: Environment Agency, Risk of Flooding from Rivers and Sea (postcodes in areas at risk), published 6 July 2026, Open Government Licence v3.0. How we use it
Postcodes in SO25
Pick a sector, then a postcode. A sector is the district plus the next digit.
UK postcode format explainedPlaces in SO25
Towns and villages with postcodes in SO25, and how many each has here.
Who covers SO25
How many of the district's postcodes in use fall under each council, constituency and police force area.
Next to SO25
"Next to" is by number: the districts before and after SO25 in the SO area.
Check a postcode
Something wrong on this page? Report an error and we will check it against the source.