This page provides postcode data for the Southampton UK Unitary Authority.
In 2021, Southampton contained approximately 102,300 households with a population of about 249,000
In 2011, Southampton contained approximately 98,244 households with a population of about 236,855
| Postcode | Ward | Latitude | Longitude | Easting | Northing | Grid ref |
|---|---|---|---|---|---|---|
| SO18 4TS | Bitterne Park | 50.917692 | -1.369225 | 444437 | 113326 | SU444133 |
| SO18 4TZ | Bitterne Park | 50.918296 | -1.371137 | 444302 | 113392 | SU443133 |
| SO18 4UF | Bitterne Park | 50.92209 | -1.367729 | 444538 | 113816 | SU445138 |
| SO18 4WD | Bitterne Park | 50.91774 | -1.386722 | 443207 | 113321 | SU432133 |
| SO18 4WE | Bitterne Park | 50.92209 | -1.367729 | 444538 | 113816 | SU445138 |
| SO18 4WG | Bitterne Park | 50.92209 | -1.367729 | 444538 | 113816 | SU445138 |
| SO18 4WJ | Bitterne Park | 50.91774 | -1.386722 | 443207 | 113321 | SU432133 |
| SO18 4WX | Bitterne Park | 50.91774 | -1.386722 | 443207 | 113321 | SU432133 |
| SO18 4WY | Bitterne Park | 50.91774 | -1.386722 | 443207 | 113321 | SU432133 |
| SO18 4WZ | Bitterne Park | 50.91774 | -1.386722 | 443207 | 113321 | SU432133 |
| SO18 4XA | Bitterne Park | 50.91774 | -1.386722 | 443207 | 113321 | SU432133 |
| SO18 4XJ | Bitterne Park | 50.91774 | -1.386722 | 443207 | 113321 | SU432133 |
| SO18 4XY | Bitterne Park | 50.91774 | -1.386722 | 443207 | 113321 | SU432133 |
| SO18 4YA | Bitterne Park | 50.921949 | -1.368271 | 444500 | 113800 | SU445137 |
| SO18 4YB | Harefield | 50.921334 | -1.36431 | 444779 | 113734 | SU447137 |
| SO18 4YD | Bitterne Park | 50.921949 | -1.368271 | 444500 | 113800 | SU445137 |
| SO18 5AB | Harefield | 50.915876 | -1.336958 | 446707 | 113144 | SU467131 |
| SO18 5AD | Harefield | 50.918495 | -1.343625 | 446236 | 113431 | SU462134 |
| SO18 5AE | Harefield | 50.918741 | -1.342697 | 446301 | 113459 | SU463134 |
| SO18 5AF | Thornhill | 50.914312 | -1.340284 | 446475 | 112968 | SU464129 |
| SO18 5BP | Bitterne Park | 50.91774 | -1.386722 | 443207 | 113321 | SU432133 |
| SO18 5BQ | Harefield | 50.914814 | -1.35272 | 445600 | 113016 | SU456130 |
| SO18 5BT | Harefield | 50.918548 | -1.34988 | 445796 | 113433 | SU457134 |
| SO18 5BU | Harefield | 50.917317 | -1.348418 | 445900 | 113297 | SU458132 |
| SO18 5BW | Harefield | 50.916688 | -1.34689 | 446008 | 113228 | SU460132 |
| SO18 5BX | Harefield | 50.917539 | -1.347988 | 445930 | 113322 | SU459133 |
| SO18 5BY | Harefield | 50.918103 | -1.349047 | 445855 | 113384 | SU458133 |
| SO18 5BZ | Harefield | 50.919093 | -1.34771 | 445948 | 113495 | SU459134 |
| SO18 5DA | Harefield | 50.918722 | -1.347175 | 445986 | 113454 | SU459134 |
| SO18 5DB | Harefield | 50.918362 | -1.347151 | 445988 | 113414 | SU459134 |
| SO18 5DD | Harefield | 50.917982 | -1.34683 | 446011 | 113372 | SU460133 |
| SO18 5DE | Harefield | 50.918126 | -1.345139 | 446130 | 113389 | SU461133 |
| SO18 5DF | Harefield | 50.917646 | -1.34618 | 446057 | 113335 | SU460133 |
| SO18 5DG | Harefield | 50.917286 | -1.346114 | 446062 | 113295 | SU460132 |
| SO18 5DH | Harefield | 50.917556 | -1.344521 | 446174 | 113326 | SU461133 |
| SO18 5DJ | Harefield | 50.918652 | -1.344477 | 446176 | 113448 | SU461134 |
| SO18 5DL | Harefield | 50.918393 | -1.343168 | 446268 | 113420 | SU462134 |
| SO18 5DN | Harefield | 50.91919 | -1.342431 | 446319 | 113509 | SU463135 |
| SO18 5DP | Harefield | 50.919147 | -1.344366 | 446183 | 113503 | SU461135 |
| SO18 5DQ | Harefield | 50.919667 | -1.342609 | 446306 | 113562 | SU463135 |
| SO18 5DR | Harefield | 50.919619 | -1.34362 | 446235 | 113556 | SU462135 |
| SO18 5DS | Harefield | 50.921335 | -1.341675 | 446370 | 113748 | SU463137 |
| SO18 5DT | Harefield | 50.920817 | -1.342308 | 446326 | 113690 | SU463136 |
| SO18 5DU | Harefield | 50.920047 | -1.342917 | 446284 | 113604 | SU462136 |
| SO18 5DW | Harefield | 50.920538 | -1.34402 | 446206 | 113658 | SU462136 |
| SO18 5DX | Harefield | 50.920146 | -1.344623 | 446164 | 113614 | SU461136 |
| SO18 5DY | Harefield | 50.919973 | -1.344227 | 446192 | 113595 | SU461135 |
| SO18 5DZ | Harefield | 50.920177 | -1.345409 | 446109 | 113617 | SU461136 |
| SO18 5EA | Harefield | 50.920913 | -1.345096 | 446130 | 113699 | SU461136 |
| SO18 5EB | Harefield | 50.921978 | -1.345763 | 446082 | 113817 | SU460138 |
| SO18 5ED | Harefield | 50.921801 | -1.346211 | 446051 | 113797 | SU460137 |
| SO18 5EE | Peartree | 50.914674 | -1.358345 | 445205 | 112997 | SU452129 |
| SO18 5EF | Peartree | 50.914282 | -1.358987 | 445160 | 112953 | SU451129 |
| SO18 5EG | Harefield | 50.914857 | -1.355668 | 445393 | 113019 | SU453130 |
| SO18 5EH | Harefield | 50.913776 | -1.355395 | 445413 | 112899 | SU454128 |
| SO18 5EJ | Harefield | 50.913258 | -1.354307 | 445490 | 112842 | SU454128 |
| SO18 5EL | Harefield | 50.913766 | -1.353418 | 445552 | 112899 | SU455128 |
| SO18 5EN | Harefield | 50.91396 | -1.354453 | 445479 | 112920 | SU454129 |
| SO18 5EP | Harefield | 50.914292 | -1.354306 | 445489 | 112957 | SU454129 |
| SO18 5EQ | Harefield | 50.914803 | -1.352454 | 445619 | 113015 | SU456130 |
| SO18 5ER | Harefield | 50.91429 | -1.352315 | 445629 | 112958 | SU456129 |
| SO18 5EY | Harefield | 50.914874 | -1.348993 | 445862 | 113025 | SU458130 |
| SO18 5EZ | Thornhill | 50.914447 | -1.348188 | 445919 | 112978 | SU459129 |
| SO18 5FB | Thornhill | 50.913772 | -1.348055 | 445929 | 112903 | SU459129 |
| SO18 5FD | Thornhill | 50.914237 | -1.34435 | 446189 | 112957 | SU461129 |
| SO18 5FE | Thornhill | 50.913913 | -1.34444 | 446183 | 112921 | SU461129 |
| SO18 5FH | Harefield | 50.915382 | -1.34816 | 445920 | 113082 | SU459130 |
| SO18 5FJ | Harefield | 50.915777 | -1.347984 | 445932 | 113126 | SU459131 |
| SO18 5FL | Harefield | 50.915461 | -1.346196 | 446058 | 113092 | SU460130 |
| SO18 5FN | Harefield | 50.915769 | -1.346619 | 446028 | 113126 | SU460131 |
| SO18 5FP | Harefield | 50.916269 | -1.345915 | 446077 | 113182 | SU460131 |
| SO18 5FQ | Harefield | 50.916962 | -1.346047 | 446067 | 113259 | SU460132 |
| SO18 5FR | Harefield | 50.917027 | -1.344926 | 446146 | 113267 | SU461132 |
| SO18 5FS | Harefield | 50.917388 | -1.343395 | 446253 | 113308 | SU462133 |
| SO18 5FT | Harefield | 50.919523 | -1.340947 | 446423 | 113547 | SU464135 |
| SO18 5FU | Harefield | 50.921336 | -1.34027 | 446469 | 113749 | SU464137 |
| SO18 5FW | Harefield | 50.920759 | -1.340104 | 446481 | 113685 | SU464136 |
| SO18 5FX | Harefield | 50.920896 | -1.338808 | 446572 | 113701 | SU465137 |
| SO18 5FY | Harefield | 50.921871 | -1.339462 | 446525 | 113809 | SU465138 |
| SO18 5FZ | Harefield | 50.921868 | -1.338993 | 446558 | 113809 | SU465138 |
| SO18 5GA | Harefield | 50.922755 | -1.338429 | 446597 | 113908 | SU465139 |
| SO18 5GB | Harefield | 50.922055 | -1.340185 | 446474 | 113829 | SU464138 |
| SO18 5GD | Harefield | 50.922614 | -1.340462 | 446454 | 113891 | SU464138 |
| SO18 5GE | Harefield | 50.923092 | -1.339264 | 446538 | 113945 | SU465139 |
| SO18 5GF | Harefield | 50.922921 | -1.340742 | 446434 | 113925 | SU464139 |
| SO18 5GG | Harefield | 50.923068 | -1.341267 | 446397 | 113941 | SU463139 |
| SO18 5GH | Harefield | 50.922178 | -1.341265 | 446398 | 113842 | SU463138 |
| SO18 5GJ | Harefield | 50.922371 | -1.342144 | 446336 | 113863 | SU463138 |
| SO18 5GL | Harefield | 50.92196 | -1.342463 | 446314 | 113817 | SU463138 |
| SO18 5GN | Harefield | 50.922305 | -1.34307 | 446271 | 113855 | SU462138 |
| SO18 5GP | Harefield | 50.921574 | -1.342696 | 446298 | 113774 | SU462137 |
| SO18 5GQ | Harefield | 50.921361 | -1.343183 | 446264 | 113750 | SU462137 |
| SO18 5GR | Harefield | 50.921807 | -1.344144 | 446196 | 113799 | SU461137 |
| SO18 5GS | Harefield | 50.921084 | -1.343514 | 446241 | 113719 | SU462137 |
| SO18 5GT | Harefield | 50.920815 | -1.343617 | 446234 | 113689 | SU462136 |
| SO18 5GU | Harefield | 50.921425 | -1.345021 | 446135 | 113756 | SU461137 |
| SO18 5GW | Harefield | 50.922157 | -1.344068 | 446201 | 113838 | SU462138 |
| SO18 5GX | Harefield | 50.915942 | -1.343804 | 446226 | 113147 | SU462131 |
| SO18 5GY | Harefield | 50.917169 | -1.342915 | 446287 | 113284 | SU462132 |
| SO18 5GZ | Harefield | 50.916907 | -1.342605 | 446309 | 113255 | SU463132 |