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 |
|---|---|---|---|---|---|---|
| SO1 3PW | Freemantle | 50.918951 | -1.435963 | 439745 | 113428 | SU397134 |
| SO1 3PX | Freemantle | 50.919668 | -1.435442 | 439781 | 113508 | SU397135 |
| SO1 3PY | Freemantle | 50.919978 | -1.434442 | 439851 | 113543 | SU398135 |
| SO1 3PZ | Freemantle | 50.920549 | -1.435375 | 439785 | 113606 | SU397136 |
| SO1 3QA | Freemantle | 50.921098 | -1.435553 | 439772 | 113667 | SU397136 |
| SO1 3QB | Freemantle | 50.919376 | -1.436441 | 439711 | 113475 | SU397134 |
| SO1 3QD | Freemantle | 50.919499 | -1.435942 | 439746 | 113489 | SU397134 |
| SO1 3QE | Freemantle | 50.91835 | -1.43634 | 439719 | 113361 | SU397133 |
| SO1 3QF | Freemantle | 50.918231 | -1.435829 | 439755 | 113348 | SU397133 |
| SO1 3QG | Freemantle | 50.918005 | -1.435676 | 439766 | 113323 | SU397133 |
| SO1 3QH | Freemantle | 50.917999 | -1.43431 | 439862 | 113323 | SU398133 |
| SO1 3QJ | Freemantle | 50.917298 | -1.434447 | 439853 | 113245 | SU398132 |
| SO1 3QL | Freemantle | 50.917754 | -1.433915 | 439890 | 113296 | SU398132 |
| SO1 3QN | Freemantle | 50.917519 | -1.433747 | 439902 | 113270 | SU399132 |
| SO1 3QP | Freemantle | 50.917492 | -1.435625 | 439770 | 113266 | SU397132 |
| SO1 3QQ | Freemantle | 50.917223 | -1.435785 | 439759 | 113236 | SU397132 |
| SO1 3QR | Freemantle | 50.917615 | -1.436776 | 439689 | 113279 | SU396132 |
| SO1 3QS | Freemantle | 50.917066 | -1.436768 | 439690 | 113218 | SU396132 |
| SO1 3QT | Freemantle | 50.915742 | -1.436301 | 439724 | 113071 | SU397130 |
| SO1 3QU | Freemantle | 50.915919 | -1.435587 | 439774 | 113091 | SU397130 |
| SO1 3QW | Freemantle | 50.915654 | -1.434851 | 439826 | 113062 | SU398130 |
| SO1 3QX | Freemantle | 50.915384 | -1.434769 | 439832 | 113032 | SU398130 |
| SO1 3QY | Freemantle | 50.91508 | -1.435185 | 439803 | 112998 | SU398129 |
| SO1 3QZ | Freemantle | 50.914859 | -1.434021 | 439885 | 112974 | SU398129 |
| SO1 3RA | Freemantle | 50.915129 | -1.434117 | 439878 | 113004 | SU398130 |
| SO1 3RB | Freemantle | 50.914921 | -1.435685 | 439768 | 112980 | SU397129 |
| SO1 3RD | Freemantle | 50.914501 | -1.436287 | 439726 | 112933 | SU397129 |
| SO1 3RE | Freemantle | 50.914293 | -1.435934 | 439751 | 112910 | SU397129 |
| SO1 3RF | Freemantle | 50.914371 | -1.435364 | 439791 | 112919 | SU397129 |
| SO1 3RG | Freemantle | 50.913645 | -1.435828 | 439759 | 112838 | SU397128 |
| SO1 3RH | Freemantle | 50.914352 | -1.436986 | 439677 | 112916 | SU396129 |
| SO1 3RJ | Freemantle | 50.914177 | -1.434342 | 439863 | 112898 | SU398128 |
| SO1 3RL | Freemantle | 50.913361 | -1.434793 | 439832 | 112807 | SU398128 |
| SO1 3RN | Freemantle | 50.913193 | -1.435393 | 439790 | 112788 | SU397127 |
| SO1 3RP | Freemantle | 50.913041 | -1.433787 | 439903 | 112772 | SU399127 |
| SO1 3RQ | Freemantle | 50.912809 | -1.434017 | 439887 | 112746 | SU398127 |
| SO1 3RR | Freemantle | 50.913336 | -1.437027 | 439675 | 112803 | SU396128 |
| SO1 3RS | Freemantle | 50.912633 | -1.422071 | 440727 | 112733 | SU407127 |
| SO1 3RT | Freemantle | 50.914191 | -1.427898 | 440316 | 112903 | SU403129 |
| SO1 3RU | Freemantle | 50.912848 | -1.431087 | 440093 | 112752 | SU400127 |
| SO1 3RW | Freemantle | 50.913311 | -1.4301 | 440162 | 112804 | SU401128 |
| SO1 3RX | Freemantle | 50.913263 | -1.429545 | 440201 | 112799 | SU402127 |
| SO1 3RY | Freemantle | 50.913322 | -1.430555 | 440130 | 112805 | SU401128 |
| SO1 3RZ | Millbrook | 50.917465 | -1.439196 | 439519 | 113261 | SU395132 |
| SO1 3SA | Freemantle | 50.919009 | -1.436873 | 439681 | 113434 | SU396134 |
| SO1 3SB | Freemantle | 50.918994 | -1.437499 | 439637 | 113432 | SU396134 |
| SO1 3SD | Millbrook | 50.918942 | -1.437898 | 439609 | 113426 | SU396134 |
| SO1 3SE | Freemantle | 50.911846 | -1.432038 | 440027 | 112640 | SU400126 |
| SO1 3SF | Freemantle | 50.912023 | -1.427811 | 440324 | 112662 | SU403126 |
| SO1 3SG | Freemantle | 50.910588 | -1.428682 | 440264 | 112502 | SU402125 |
| SO1 3SH | Freemantle | 50.911621 | -1.430305 | 440149 | 112616 | SU401126 |
| SO1 3SJ | Freemantle | 50.914888 | -1.42348 | 440626 | 112983 | SU406129 |
| SO1 3SL | Millbrook | 50.919863 | -1.440476 | 439427 | 113527 | SU394135 |
| SO1 3SN | Freemantle | 50.914037 | -1.425823 | 440462 | 112887 | SU404128 |
| SO1 3SP | Freemantle | 50.913767 | -1.433266 | 439939 | 112853 | SU399128 |
| SO1 3SQ | Freemantle | 50.911699 | -1.431542 | 440062 | 112624 | SU400126 |
| SO1 3SR | Freemantle | 50.911794 | -1.428838 | 440252 | 112636 | SU402126 |
| SO1 3SS | Freemantle | 50.91624 | -1.429509 | 440201 | 113130 | SU402131 |
| SO1 3ST | Millbrook | 50.922475 | -1.435778 | 439755 | 113820 | SU397138 |
| SO1 3SW | Freemantle | 50.914977 | -1.425157 | 440508 | 112992 | SU405129 |
| SO1 3TA | Freemantle | 50.91766 | -1.427628 | 440332 | 113289 | SU403132 |
| SO1 3TB | Freemantle | 50.911502 | -1.422526 | 440696 | 112607 | SU406126 |
| SO1 4AA | Millbrook | 50.924017 | -1.453672 | 438496 | 113982 | SU384139 |
| SO1 4AB | Millbrook | 50.923346 | -1.454448 | 438442 | 113907 | SU384139 |
| SO1 4AD | Millbrook | 50.923025 | -1.45495 | 438407 | 113871 | SU384138 |
| SO1 4AE | Millbrook | 50.922834 | -1.454554 | 438435 | 113850 | SU384138 |
| SO1 4AF | Millbrook | 50.922629 | -1.455011 | 438403 | 113827 | SU384138 |
| SO1 4AG | Millbrook | 50.921904 | -1.455561 | 438365 | 113746 | SU383137 |
| SO1 4AH | Millbrook | 50.921357 | -1.455965 | 438337 | 113685 | SU383136 |
| SO1 4AJ | Millbrook | 50.919953 | -1.455754 | 438353 | 113529 | SU383135 |
| SO1 4AL | Millbrook | 50.920041 | -1.455326 | 438383 | 113539 | SU383135 |
| SO1 4AN | Millbrook | 50.92097 | -1.454078 | 438470 | 113643 | SU384136 |
| SO1 4AP | Millbrook | 50.921273 | -1.455269 | 438386 | 113676 | SU383136 |
| SO1 4AQ | Millbrook | 50.921503 | -1.454555 | 438436 | 113702 | SU384137 |
| SO1 4AR | Millbrook | 50.921519 | -1.454114 | 438467 | 113704 | SU384137 |
| SO1 4AS | Millbrook | 50.921925 | -1.452473 | 438582 | 113750 | SU385137 |
| SO1 4AT | Millbrook | 50.921703 | -1.453002 | 438545 | 113725 | SU385137 |
| SO1 4AU | Millbrook | 50.921676 | -1.451068 | 438681 | 113723 | SU386137 |
| SO1 4AW | Millbrook | 50.922074 | -1.451731 | 438634 | 113767 | SU386137 |
| SO1 4AX | Millbrook | 50.920698 | -1.451605 | 438644 | 113614 | SU386136 |
| SO1 4AY | Millbrook | 50.920574 | -1.452091 | 438610 | 113600 | SU386136 |
| SO1 4AZ | Millbrook | 50.919843 | -1.453337 | 438523 | 113518 | SU385135 |
| SO1 4BA | Millbrook | 50.920066 | -1.454814 | 438419 | 113542 | SU384135 |
| SO1 4BB | Millbrook | 50.920662 | -1.453598 | 438504 | 113609 | SU385136 |
| SO1 4BD | Millbrook | 50.921369 | -1.450915 | 438692 | 113689 | SU386136 |
| SO1 4BE | Millbrook | 50.920905 | -1.44981 | 438770 | 113638 | SU387136 |
| SO1 4BG | Millbrook | 50.922709 | -1.450942 | 438689 | 113838 | SU386138 |
| SO1 4BH | Millbrook | 50.922464 | -1.450489 | 438721 | 113811 | SU387138 |
| SO1 4BJ | Millbrook | 50.922497 | -1.449749 | 438773 | 113815 | SU387138 |
| SO1 4BL | Millbrook | 50.92218 | -1.449269 | 438807 | 113780 | SU388137 |
| SO1 4BN | Millbrook | 50.92183 | -1.449387 | 438799 | 113741 | SU387137 |
| SO1 4BP | Millbrook | 50.92918 | -1.448247 | 438873 | 114559 | SU388145 |
| SO1 4BQ | Shirley | 50.925967 | -1.440075 | 439450 | 114206 | SU394142 |
| SO1 4BU | Shirley | 50.92597 | -1.440687 | 439407 | 114206 | SU394142 |
| SO1 4BW | Shirley | 50.928075 | -1.444589 | 439131 | 114438 | SU391144 |
| SO1 4BX | Millbrook | 50.928649 | -1.446147 | 439021 | 114501 | SU390145 |
| SO1 4BY | Shirley | 50.924601 | -1.436592 | 439696 | 114056 | SU396140 |
| SO1 4BZ | Millbrook | 50.924031 | -1.43593 | 439743 | 113993 | SU397139 |
| SO1 4DA | Millbrook | 50.924441 | -1.436892 | 439675 | 114038 | SU396140 |
| SO1 4DB | Millbrook | 50.924851 | -1.437997 | 439597 | 114083 | SU395140 |