| Postcode | Residential | Businesses | Locality | Latitude | Longitude |
|---|---|---|---|---|---|
| SO21 3QL | 1 | 1 | 51.167566 | -1.37861 | |
| SO21 3QQ | 9 | 1 | 51.1788787 | -1.3449245 | |
| SO21 3QZ | 5 | 0 | 51.1541214 | -1.3382264 | |
| SO21 3RA | 13 | 2 | 51.1626697 | -1.3360445 | |
| SO21 3RF | 5 | 0 | 51.1673355 | -1.3753994 | |
| SO21 3RB | 13 | 0 | 51.1704754 | -1.3408957 | |
| SO21 3RD | 5 | 0 | 51.1711445 | -1.3479809 | |
| SO21 3RE | 4 | 0 | 51.1685941 | -1.3518358 | |
| SO21 3FF | 4 | 0 | 51.1672434 | -1.3746675 | |
| SO21 3RG | 57 | 0 | 51.166924 | -1.3754728 | |
| SO21 3RH | 22 | 1 | 51.1670535 | -1.3795472 | |
| SO21 3RJ | 3 | 0 | 51.1622312 | -1.3790829 | |
| SO21 3RL | 16 | 2 | 51.1669966 | -1.3789759 | |
| SO21 3RN | 2 | 0 | 51.1670824 | -1.3799044 | |
| SO21 3RP | 2 | 0 | 51.1673213 | -1.3806307 | |
| SO21 3RQ | 11 | 2 | 51.1663368 | -1.3783555 | |
| SO21 3RR | 4 | 1 | 51.1688153 | -1.3828276 | |
| SO21 3RS | 6 | 0 | 51.1689559 | -1.3787922 | |
| SO21 3RT | 6 | 0 | 51.167889 | -1.379393 | |
| SO21 3RU | 54 | 0 | 51.1705311 | -1.3689873 |