SO18 4 is a postcode sector in Southampton, UK. Below is a complete list of SO18 4 Postcodes (Active). SO18 4 postcode sector comprises of 109 active postcodes. SO18 4 sector has a population of 4170, and it has 1773 properties in the region.
| Population | 4170 |
| Addresses / Property Count | 1773 |
| Active Postcodes | 109 |
| Nearby Postcode Districts | 30 |
| Nearby Postcode Sectors | 6 |
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| Postcode | Latitude | Longitude | Households | Population | Easting | Northing |
|---|---|---|---|---|---|---|
| SO18 4AR | 50.92617100 | -1.36403100 | 29 | 59 | 444794 | 114272 |
| SO18 4AS | 50.92186000 | -1.36187000 | 11 | 21 | 444950 | 113794 |
| SO18 4EE | 50.91743500 | -1.36989700 | 10 | 23 | 444390 | 113297 |
| SO18 4EF | 50.91714400 | -1.36944600 | 16 | 46 | 444422 | 113265 |
| SO18 4EG | 50.91743300 | -1.36789100 | 5 | 9 | 444531 | 113298 |
| SO18 4EH | 50.91729200 | -1.36846200 | 12 | 30 | 444491 | 113282 |
| SO18 4EJ | 50.91697400 | -1.36797300 | 3 | 10 | 444526 | 113247 |
| SO18 4EL | 50.91726800 | -1.36748500 | 2 | 3 | 444560 | 113280 |
| SO18 4EN | 50.91689900 | -1.36721600 | 7 | 18 | 444579 | 113239 |
| SO18 4EP | 50.91667000 | -1.36650800 | 3 | 8 | 444629 | 113214 |
| SO18 4EQ | 50.91694500 | -1.36577800 | 15 | 42 | 444680 | 113245 |
| SO18 4ER | 50.91807600 | -1.36554000 | 9 | 24 | 444696 | 113371 |
| SO18 4ES | 50.91819700 | -1.36456600 | 13 | 34 | 444764 | 113385 |
| SO18 4ET | 50.91973000 | -1.36360600 | 21 | 56 | 444830 | 113556 |
| SO18 4EU | 50.91970700 | -1.36436100 | 22 | 54 | 444777 | 113553 |
| SO18 4EW | 50.91953200 | -1.36527400 | 18 | 46 | 444713 | 113533 |
| SO18 4EX | 50.91932800 | -1.36578900 | 21 | 55 | 444677 | 113510 |
| SO18 4EY | 50.92041700 | -1.36604400 | 4 | 8 | 444658 | 113631 |
| SO18 4EZ | 50.92053400 | -1.36439200 | 11 | 23 | 444774 | 113645 |
| SO18 4FB | 50.92105400 | -1.36398700 | 27 | 61 | 444802 | 113703 |
| SO18 4FD | 50.92112600 | -1.36244900 | 16 | 42 | 444910 | 113712 |
| SO18 4FE | 50.92288000 | -1.36407600 | 35 | 89 | 444794 | 113906 |
| SO18 4FF | 50.92127900 | -1.36405500 | 21 | 47 | 444797 | 113728 |
| SO18 4FG | 50.92285900 | -1.36357800 | 37 | 87 | 444829 | 113904 |
| SO18 4FH | 50.92171600 | -1.36675200 | 29 | 68 | 444607 | 113775 |
| SO18 4FJ | 50.92258800 | -1.36678300 | 28 | 69 | 444604 | 113872 |
| SO18 4FL | 50.92329400 | -1.36754200 | 38 | 74 | 444550 | 113950 |
| SO18 4FN | 50.92482700 | -1.36673800 | 13 | 27 | 444605 | 114121 |
| SO18 4FP | 50.92406600 | -1.36739300 | 4 | 8 | 444560 | 114036 |
| SO18 4FQ | 50.92494900 | -1.36588300 | 27 | 57 | 444665 | 114135 |
| SO18 4FR | 50.92476600 | -1.36535900 | 25 | 59 | 444702 | 114115 |
| SO18 4GP | 50.91928700 | -1.37163600 | 23 | 33 | 444266 | 113502 |
| SO18 4GU | 50.92668300 | -1.36574600 | 9 | 26 | 444673 | 114328 |
| SO18 4GW | 50.92631800 | -1.36633400 | 15 | 38 | 444632 | 114287 |
| SO18 4GX | 50.92597400 | -1.36751900 | 13 | 35 | 444549 | 114248 |
| SO18 4GY | 50.92505700 | -1.36761700 | 19 | 46 | 444543 | 114146 |
| SO18 4GZ | 50.92491600 | -1.36821700 | 7 | 16 | 444501 | 114130 |
| SO18 4HA | 50.92283000 | -1.36816000 | 25 | 68 | 444507 | 113898 |
| SO18 4HB | 50.92245100 | -1.36789400 | 23 | 29 | 444526 | 113856 |
| SO18 4HD | 50.92295000 | -1.36877000 | 20 | 42 | 444464 | 113911 |
| SO18 4HE | 50.92037700 | -1.36852000 | 3 | 9 | 444484 | 113625 |
| SO18 4HF | 50.92000100 | -1.37061600 | 16 | 31 | 444337 | 113582 |
| SO18 4HH | 50.92216500 | -1.36833900 | 5 | 7 | 444495 | 113824 |
| SO18 4HP | 50.91837200 | -1.37190500 | 14 | 30 | 444248 | 113400 |
| SO18 4HQ | 50.91889700 | -1.37095900 | 12 | 31 | 444314 | 113459 |
| SO18 4HR | 50.91766300 | -1.37054800 | 7 | 23 | 444344 | 113322 |
| SO18 4HS | 50.91829600 | -1.37113700 | 35 | 47 | 444302 | 113392 |
| SO18 4HT | 50.91865900 | -1.37015100 | 13 | 39 | 444371 | 113433 |
| SO18 4HU | 50.91843200 | -1.36971300 | 12 | 31 | 444402 | 113408 |
| SO18 4HW | 50.91762700 | -1.36895600 | 4 | 6 | 444456 | 113319 |