SO21 grid reference
SO21 is a postcode district covering parts of Winchester, with 3 postcode sectors and 743 postcodes. Its centre point is at grid reference SU 479 308. The nearest summit we list is Butser Hill (270 m), 26.0 km to the south-east.
Grid reference
SU 479 308
- 6-figure
- SU 479 308
- 8-figure
- SU 4797 3087
- 10-figure
- SU 47973 30877
- Lat/long
- 51.075221, -1.316614
- Lat/long (DMS)
- 51° 04′ 30.8″ N 001° 18′ 59.8″ W
- Eastings, northings
- 447973, 130877
- Postcodes
- 743
Map of SO21
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This is the centre point of the SO21 district, worked out as the average position of all its postcodes. For an exact address, enter the full postcode in the converter.
Postcode sectors in SO21
Nearby postcode districts
Nearby summits
- Butser Hill270 m · 26.0 km south-east
- Walbury Hill297 m · 32.5 km north
- Black Down281 m · 44.0 km east
- Brighstone Down214 m · 46.4 km south
- St Boniface Down242 m · 53.1 km south