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 4TA | Harefield | 50.922348 | -1.362281 | 444921 | 113848 | SU449138 |
| SO18 4TB | Harefield | 50.922502 | -1.360927 | 445016 | 113866 | SU450138 |
| SO18 4TD | Harefield | 50.922203 | -1.358768 | 445168 | 113834 | SU451138 |
| SO18 4TQ | Bitterne Park | 50.922475 | -1.369236 | 444432 | 113858 | SU444138 |
| SO18 4TS | Bitterne Park | 50.917682 | -1.369216 | 444438 | 113325 | SU444133 |
| SO18 4TZ | Bitterne Park | 50.918286 | -1.371128 | 444303 | 113391 | SU443133 |
| SO18 4UF | Bitterne Park | 50.922081 | -1.367719 | 444539 | 113815 | SU445138 |
| SO18 4WD | Bitterne Park | 50.917731 | -1.386713 | 443208 | 113320 | SU432133 |
| SO18 4WE | Bitterne Park | 50.922081 | -1.367719 | 444539 | 113815 | SU445138 |
| SO18 4WG | Bitterne Park | 50.922081 | -1.367719 | 444539 | 113815 | SU445138 |
| SO18 4WJ | Bitterne Park | 50.917731 | -1.386713 | 443208 | 113320 | SU432133 |
| SO18 4WX | Bitterne Park | 50.917731 | -1.386713 | 443208 | 113320 | SU432133 |
| SO18 4WY | Bitterne Park | 50.917731 | -1.386713 | 443208 | 113320 | SU432133 |
| SO18 4WZ | Bitterne Park | 50.917731 | -1.386713 | 443208 | 113320 | SU432133 |
| SO18 4XA | Bitterne Park | 50.917731 | -1.386713 | 443208 | 113320 | SU432133 |
| SO18 4XJ | Bitterne Park | 50.917731 | -1.386713 | 443208 | 113320 | SU432133 |
| SO18 4XY | Bitterne Park | 50.917731 | -1.386713 | 443208 | 113320 | SU432133 |
| SO18 4YA | Bitterne Park | 50.92194 | -1.368262 | 444501 | 113799 | SU445137 |
| SO18 4YB | Harefield | 50.921325 | -1.364301 | 444780 | 113733 | SU447137 |
| SO18 4YD | Bitterne Park | 50.92194 | -1.368262 | 444501 | 113799 | SU445137 |
| SO18 5AB | Harefield | 50.915867 | -1.336948 | 446708 | 113143 | SU467131 |
| SO18 5AD | Harefield | 50.918495 | -1.343626 | 446236 | 113431 | SU462134 |
| SO18 5AE | Harefield | 50.918741 | -1.342697 | 446301 | 113459 | SU463134 |
| SO18 5AF | Thornhill | 50.914312 | -1.340285 | 446475 | 112968 | SU464129 |
| SO18 5BP | Bitterne Park | 50.917731 | -1.386713 | 443208 | 113320 | SU432133 |
| SO18 5BQ | Harefield | 50.914804 | -1.352711 | 445601 | 113015 | SU456130 |
| SO18 5BT | Harefield | 50.918539 | -1.34987 | 445797 | 113432 | SU457134 |
| SO18 5BU | Harefield | 50.917307 | -1.348408 | 445901 | 113296 | SU459132 |
| SO18 5BW | Harefield | 50.916678 | -1.34688 | 446009 | 113227 | SU460132 |
| SO18 5BX | Harefield | 50.91753 | -1.347978 | 445931 | 113321 | SU459133 |
| SO18 5BY | Harefield | 50.918093 | -1.349037 | 445856 | 113383 | SU458133 |
| SO18 5BZ | Harefield | 50.919084 | -1.3477 | 445949 | 113494 | SU459134 |
| SO18 5DA | Harefield | 50.918712 | -1.347165 | 445987 | 113453 | SU459134 |
| SO18 5DB | Harefield | 50.918353 | -1.347142 | 445989 | 113413 | SU459134 |
| SO18 5DD | Harefield | 50.917973 | -1.34682 | 446012 | 113371 | SU460133 |
| SO18 5DE | Harefield | 50.918126 | -1.345139 | 446130 | 113389 | SU461133 |
| SO18 5DF | Harefield | 50.917637 | -1.34617 | 446058 | 113334 | SU460133 |
| SO18 5DG | Harefield | 50.917277 | -1.346104 | 446063 | 113294 | SU460132 |
| SO18 5DH | Harefield | 50.917556 | -1.344521 | 446174 | 113326 | SU461133 |
| SO18 5DJ | Harefield | 50.918652 | -1.344477 | 446176 | 113448 | SU461134 |
| SO18 5DL | Harefield | 50.918384 | -1.343158 | 446269 | 113419 | SU462134 |
| SO18 5DN | Harefield | 50.91918 | -1.342421 | 446320 | 113508 | SU463135 |
| SO18 5DP | Harefield | 50.919137 | -1.344356 | 446184 | 113502 | SU461135 |
| SO18 5DQ | Harefield | 50.919658 | -1.342599 | 446307 | 113561 | SU463135 |
| SO18 5DR | Harefield | 50.91961 | -1.34361 | 446236 | 113555 | SU462135 |
| SO18 5DS | Harefield | 50.921325 | -1.341665 | 446371 | 113747 | SU463137 |
| SO18 5DT | Harefield | 50.920807 | -1.342298 | 446327 | 113689 | SU463136 |
| SO18 5DU | Harefield | 50.920037 | -1.342907 | 446285 | 113603 | SU462136 |
| SO18 5DW | Harefield | 50.920529 | -1.34401 | 446207 | 113657 | SU462136 |
| SO18 5DX | Harefield | 50.920137 | -1.344613 | 446165 | 113613 | SU461136 |
| SO18 5DY | Harefield | 50.919964 | -1.344217 | 446193 | 113594 | SU461135 |
| SO18 5DZ | Harefield | 50.920177 | -1.345409 | 446109 | 113617 | SU461136 |
| SO18 5EA | Harefield | 50.920904 | -1.345086 | 446131 | 113698 | SU461136 |
| SO18 5EB | Harefield | 50.921969 | -1.345754 | 446083 | 113816 | SU460138 |
| SO18 5ED | Harefield | 50.921692 | -1.346099 | 446059 | 113785 | SU460137 |
| SO18 5EE | Peartree | 50.914674 | -1.358346 | 445205 | 112997 | SU452129 |
| SO18 5EF | Peartree | 50.914272 | -1.358977 | 445161 | 112952 | SU451129 |
| SO18 5EG | Harefield | 50.914857 | -1.355669 | 445393 | 113019 | SU453130 |
| SO18 5EH | Harefield | 50.913767 | -1.355385 | 445414 | 112898 | SU454128 |
| SO18 5EJ | Harefield | 50.913248 | -1.354297 | 445491 | 112841 | SU454128 |
| SO18 5EL | Harefield | 50.913756 | -1.353408 | 445553 | 112898 | SU455128 |
| SO18 5EN | Harefield | 50.913951 | -1.354444 | 445480 | 112919 | SU454129 |
| SO18 5EP | Harefield | 50.914283 | -1.354297 | 445490 | 112956 | SU454129 |
| SO18 5EQ | Harefield | 50.914803 | -1.352454 | 445619 | 113015 | SU456130 |
| SO18 5ER | Harefield | 50.914281 | -1.352305 | 445630 | 112957 | SU456129 |
| SO18 5EY | Harefield | 50.914865 | -1.348983 | 445863 | 113024 | SU458130 |
| SO18 5EZ | Thornhill | 50.914438 | -1.348178 | 445920 | 112977 | SU459129 |
| SO18 5FB | Thornhill | 50.913762 | -1.348045 | 445930 | 112902 | SU459129 |
| SO18 5FD | Thornhill | 50.914227 | -1.34434 | 446190 | 112956 | SU461129 |
| SO18 5FE | Thornhill | 50.913904 | -1.34443 | 446184 | 112920 | SU461129 |
| SO18 5FH | Harefield | 50.915373 | -1.348151 | 445921 | 113081 | SU459130 |
| SO18 5FJ | Harefield | 50.915767 | -1.347974 | 445933 | 113125 | SU459131 |
| SO18 5FL | Harefield | 50.915452 | -1.346186 | 446059 | 113091 | SU460130 |
| SO18 5FN | Harefield | 50.91576 | -1.346609 | 446029 | 113125 | SU460131 |
| SO18 5FP | Harefield | 50.916259 | -1.345905 | 446078 | 113181 | SU460131 |
| SO18 5FQ | Harefield | 50.916953 | -1.346037 | 446068 | 113258 | SU460132 |
| SO18 5FR | Harefield | 50.917027 | -1.344927 | 446146 | 113267 | SU461132 |
| SO18 5FS | Harefield | 50.917378 | -1.343385 | 446254 | 113307 | SU462133 |
| SO18 5FT | Harefield | 50.919514 | -1.340937 | 446424 | 113546 | SU464135 |
| SO18 5FU | Harefield | 50.921336 | -1.340271 | 446469 | 113749 | SU464137 |
| SO18 5FW | Harefield | 50.92075 | -1.340094 | 446482 | 113684 | SU464136 |
| SO18 5FX | Harefield | 50.920887 | -1.338797 | 446573 | 113700 | SU465137 |
| SO18 5FY | Harefield | 50.921861 | -1.339452 | 446526 | 113808 | SU465138 |
| SO18 5FZ | Harefield | 50.921859 | -1.338983 | 446559 | 113808 | SU465138 |
| SO18 5GA | Harefield | 50.922755 | -1.338429 | 446597 | 113908 | SU465139 |
| SO18 5GB | Harefield | 50.922045 | -1.340175 | 446475 | 113828 | SU464138 |
| SO18 5GD | Harefield | 50.922605 | -1.340452 | 446455 | 113890 | SU464138 |
| SO18 5GE | Harefield | 50.923426 | -1.339359 | 446531 | 113982 | SU465139 |
| SO18 5GF | Harefield | 50.922912 | -1.340732 | 446435 | 113924 | SU464139 |
| SO18 5GG | Harefield | 50.923059 | -1.341256 | 446398 | 113940 | SU463139 |
| SO18 5GH | Harefield | 50.922168 | -1.341255 | 446399 | 113841 | SU463138 |
| SO18 5GJ | Harefield | 50.922362 | -1.342134 | 446337 | 113862 | SU463138 |
| SO18 5GL | Harefield | 50.92195 | -1.342453 | 446315 | 113816 | SU463138 |
| SO18 5GN | Harefield | 50.922295 | -1.34306 | 446272 | 113854 | SU462138 |
| SO18 5GP | Harefield | 50.921565 | -1.342686 | 446299 | 113773 | SU462137 |
| SO18 5GQ | Harefield | 50.921352 | -1.343173 | 446265 | 113749 | SU462137 |
| SO18 5GR | Harefield | 50.921798 | -1.344134 | 446197 | 113798 | SU461137 |
| SO18 5GS | Harefield | 50.921075 | -1.343504 | 446242 | 113718 | SU462137 |
| SO18 5GT | Harefield | 50.920806 | -1.343607 | 446235 | 113688 | SU462136 |
| SO18 5GU | Harefield | 50.921425 | -1.345021 | 446135 | 113756 | SU461137 |