This is a list of postcodes in the SO23 5 area covering the areas of City Centre, Abbotts Barton, Bar End, Highcliffe, Hyde, St Cross (E), Winnall, Winchester.
 Active postcode
Active postcode 
   Postcode no longer in use
Postcode no longer in use| Postcode | Latitude | Longitude | Easting | Northing | Grid reference | Active? | 
|---|---|---|---|---|---|---|
| SO23 5AA | 51.067557 | -1.297333 | 449332 | 130037 | SU493300 | No | 
| SO23 5AB | 51.067557 | -1.297333 | 449332 | 130037 | SU493300 | Yes | 
| SO23 5AD | 51.067557 | -1.297333 | 449332 | 130037 | SU493300 | No | 
| SO23 5AE | 51.067557 | -1.297333 | 449332 | 130037 | SU493300 | No | 
| SO23 5AF | 51.067557 | -1.297333 | 449332 | 130037 | SU493300 | No | 
| SO23 5AG | 51.067557 | -1.297333 | 449332 | 130037 | SU493300 | Yes | 
| SO23 5AH | 51.067557 | -1.297333 | 449332 | 130037 | SU493300 | Yes | 
| SO23 5AJ | 51.067557 | -1.297333 | 449332 | 130037 | SU493300 | Yes | 
| SO23 5AL | 51.067557 | -1.297333 | 449332 | 130037 | SU493300 | No | 
| SO23 5AN | 51.067557 | -1.297333 | 449332 | 130037 | SU493300 | Yes | 
| SO23 5AP | 51.067557 | -1.297333 | 449332 | 130037 | SU493300 | Yes | 
| SO23 5AQ | 51.067557 | -1.297333 | 449332 | 130037 | SU493300 | No | 
| SO23 5AR | 51.067557 | -1.297333 | 449332 | 130037 | SU493300 | Yes | 
| SO23 5AS | 51.067557 | -1.297333 | 449332 | 130037 | SU493300 | Yes | 
| SO23 5AT | 51.067557 | -1.297333 | 449332 | 130037 | SU493300 | Yes | 
| SO23 5AU | 51.067557 | -1.297333 | 449332 | 130037 | SU493300 | Yes | 
| SO23 5AW | 51.067557 | -1.297333 | 449332 | 130037 | SU493300 | No | 
| SO23 5AX | 51.067557 | -1.297333 | 449332 | 130037 | SU493300 | No | 
| SO23 5AY | 51.067557 | -1.297333 | 449332 | 130037 | SU493300 | No | 
| SO23 5AZ | 51.067557 | -1.297333 | 449332 | 130037 | SU493300 | No | 
| SO23 5BA | 51.067557 | -1.297333 | 449332 | 130037 | SU493300 | Yes | 
| SO23 5BB | 51.067557 | -1.297333 | 449332 | 130037 | SU493300 | Yes | 
| SO23 5BD | 51.067557 | -1.297333 | 449332 | 130037 | SU493300 | No | 
| SO23 5BE | 51.067557 | -1.297333 | 449332 | 130037 | SU493300 | Yes | 
| SO23 5BF | 51.067557 | -1.297333 | 449332 | 130037 | SU493300 | No | 
| SO23 5BG | 51.067557 | -1.297333 | 449332 | 130037 | SU493300 | No | 
| SO23 5BH | 51.067557 | -1.297333 | 449332 | 130037 | SU493300 | No | 
| SO23 5BJ | 51.067557 | -1.297333 | 449332 | 130037 | SU493300 | Yes | 
| SO23 5BL | 51.067557 | -1.297333 | 449332 | 130037 | SU493300 | No | 
| SO23 5BN | 51.067557 | -1.297333 | 449332 | 130037 | SU493300 | No | 
| SO23 5BP | 51.067557 | -1.297333 | 449332 | 130037 | SU493300 | No | 
| SO23 5BQ | 51.067557 | -1.297333 | 449332 | 130037 | SU493300 | No | 
| SO23 5BR | 51.067557 | -1.297333 | 449332 | 130037 | SU493300 | No | 
| SO23 5BS | 51.067557 | -1.297333 | 449332 | 130037 | SU493300 | No | 
| SO23 5BT | 51.067557 | -1.297333 | 449332 | 130037 | SU493300 | No | 
| SO23 5BU | 51.067557 | -1.297333 | 449332 | 130037 | SU493300 | No | 
| SO23 5BW | 51.067557 | -1.297333 | 449332 | 130037 | SU493300 | No | 
| SO23 5BX | 51.067557 | -1.297333 | 449332 | 130037 | SU493300 | No | 
| SO23 5BY | 51.067557 | -1.297333 | 449332 | 130037 | SU493300 | No | 
| SO23 5BZ | 51.067557 | -1.297333 | 449332 | 130037 | SU493300 | No | 
| SO23 5DA | 51.067557 | -1.297333 | 449332 | 130037 | SU493300 | No | 
| SO23 5DB | 51.067557 | -1.297333 | 449332 | 130037 | SU493300 | No | 
| SO23 5DD | 51.067557 | -1.297333 | 449332 | 130037 | SU493300 | No | 
| SO23 5DE | 51.067557 | -1.297333 | 449332 | 130037 | SU493300 | No | 
| SO23 5DF | 51.067557 | -1.297333 | 449332 | 130037 | SU493300 | Yes | 
| SO23 5DG | 51.067557 | -1.297333 | 449332 | 130037 | SU493300 | No | 
| SO23 5DH | 51.067557 | -1.297333 | 449332 | 130037 | SU493300 | No | 
| SO23 5DJ | 51.067557 | -1.297333 | 449332 | 130037 | SU493300 | No | 
| SO23 5DL | 51.067557 | -1.297333 | 449332 | 130037 | SU493300 | No | 
| SO23 5DN | 51.067557 | -1.297333 | 449332 | 130037 | SU493300 | No | 
| SO23 5DP | 51.067557 | -1.297333 | 449332 | 130037 | SU493300 | No | 
| SO23 5DQ | 51.067557 | -1.297333 | 449332 | 130037 | SU493300 | No | 
| SO23 5DR | 51.067557 | -1.297333 | 449332 | 130037 | SU493300 | No | 
| SO23 5DS | 51.067557 | -1.297333 | 449332 | 130037 | SU493300 | No | 
| SO23 5DT | 51.067557 | -1.297333 | 449332 | 130037 | SU493300 | No | 
| SO23 5DU | 51.067557 | -1.297333 | 449332 | 130037 | SU493300 | Yes | 
| SO23 5DW | 51.067557 | -1.297333 | 449332 | 130037 | SU493300 | No | 
| SO23 5DX | 51.067557 | -1.297333 | 449332 | 130037 | SU493300 | No | 
| SO23 5DY | 51.067557 | -1.297333 | 449332 | 130037 | SU493300 | No | 
| SO23 5DZ | 51.067557 | -1.297333 | 449332 | 130037 | SU493300 | Yes | 
| SO23 5EA | 51.067557 | -1.297333 | 449332 | 130037 | SU493300 | No | 
| SO23 5EB | 51.067557 | -1.297333 | 449332 | 130037 | SU493300 | No | 
| SO23 5ED | 51.067557 | -1.297333 | 449332 | 130037 | SU493300 | Yes | 
| SO23 5EE | 51.067557 | -1.297333 | 449332 | 130037 | SU493300 | Yes | 
| SO23 5EF | 51.067557 | -1.297333 | 449332 | 130037 | SU493300 | Yes | 
| SO23 5EG | 51.067557 | -1.297333 | 449332 | 130037 | SU493300 | No | 
| SO23 5EH | 51.067557 | -1.297333 | 449332 | 130037 | SU493300 | No | 
| SO23 5EJ | 51.067557 | -1.297333 | 449332 | 130037 | SU493300 | No | 
| SO23 5EL | 51.067557 | -1.297333 | 449332 | 130037 | SU493300 | No | 
| SO23 5EN | 51.067557 | -1.297333 | 449332 | 130037 | SU493300 | Yes | 
| SO23 5EQ | 51.067557 | -1.297333 | 449332 | 130037 | SU493300 | No | 
| SO23 5ER | 51.067557 | -1.297333 | 449332 | 130037 | SU493300 | Yes | 
| SO23 5ES | 51.067557 | -1.297333 | 449332 | 130037 | SU493300 | Yes |