All postcodes in SO23 5
| Postcode | Place | Type |
|---|---|---|
| SO23 5AG | Winchester | large user |
| SO23 5AH | Winchester | large user |
| SO23 5AJ | Winchester | large user |
| SO23 5AN | Winchester | large user |
| SO23 5AP | Winchester | large user |
| SO23 5AS | Winchester | large user |
| SO23 5AT | Winchester | large user |
| SO23 5AU | Winchester | large user |
| SO23 5BA | Winchester | large user |
| SO23 5BB | Winchester | large user |
| SO23 5BE | Winchester | large user |
| SO23 5BJ | Winchester | large user |
| SO23 5DF | Winchester | large user |
| SO23 5DU | Winchester | large user |
| SO23 5DW | Winchester | large user |
| SO23 5DZ | Winchester | large user |
| SO23 5ED | Winchester | large user |
| SO23 5EE | Winchester | large user |
| SO23 5EF | Winchester | large user |
| SO23 5EN | Winchester | large user |
| SO23 5ES | Winchester | large user |
Places in sector SO23 5
- Winchester 21