This is a list of postcodes in the SO1 area covering the areas of Southampton city centre (no longer in use).
 Active postcode
Active postcode 
   Postcode no longer in use
Postcode no longer in use| Postcode | Latitude | Longitude | Easting | Northing | Grid reference | Active? | 
|---|---|---|---|---|---|---|
| SO1 8JY | 50.953073 | -1.455922 | 438314 | 117212 | SU383172 | No | 
| SO1 8JZ | 50.95244 | -1.455076 | 438374 | 117142 | SU383171 | No | 
| SO1 8LA | 50.952208 | -1.455562 | 438340 | 117116 | SU383171 | No | 
| SO1 8LB | 50.950994 | -1.457399 | 438212 | 116980 | SU382169 | No | 
| SO1 8LD | 50.951344 | -1.457338 | 438216 | 117019 | SU382170 | No | 
| SO1 8LE | 50.948955 | -1.461722 | 437910 | 116751 | SU379167 | No | 
| SO1 8LF | 50.949894 | -1.460728 | 437979 | 116856 | SU379168 | No | 
| SO1 8LG | 50.95044 | -1.460138 | 438020 | 116917 | SU380169 | No | 
| SO1 8LH | 50.950286 | -1.457834 | 438182 | 116901 | SU381169 | No | 
| SO1 8LJ | 50.950348 | -1.45584 | 438322 | 116909 | SU383169 | No | 
| SO1 8LL | 50.951791 | -1.456621 | 438266 | 117069 | SU382170 | No | 
| SO1 8LN | 50.95097 | -1.456047 | 438307 | 116978 | SU383169 | No | 
| SO1 8LP | 50.951323 | -1.456626 | 438266 | 117017 | SU382170 | No | 
| SO1 8LQ | 50.948667 | -1.459903 | 438038 | 116720 | SU380167 | No | 
| SO1 8LR | 50.947565 | -1.462535 | 437854 | 116596 | SU378165 | No | 
| SO1 8PA | 50.9423 | -1.448163 | 438868 | 116018 | SU388160 | No | 
| SO1 9AA | 50.918583 | -1.457079 | 438261 | 113376 | SU382133 | No | 
| SO1 9AB | 50.918462 | -1.458005 | 438196 | 113362 | SU381133 | No | 
| SO1 9AD | 50.918853 | -1.458939 | 438130 | 113405 | SU381134 | No | 
| SO1 9AE | 50.919226 | -1.460016 | 438054 | 113446 | SU380134 | No | 
| SO1 9AF | 50.920536 | -1.461125 | 437975 | 113591 | SU379135 | No | 
| SO1 9AG | 50.920767 | -1.460653 | 438008 | 113617 | SU380136 | No | 
| SO1 9AH | 50.920658 | -1.462233 | 437897 | 113604 | SU378136 | No | 
| SO1 9AJ | 50.920593 | -1.461764 | 437930 | 113597 | SU379135 | No | 
| SO1 9AL | 50.922338 | -1.461858 | 437922 | 113791 | SU379137 | No | 
| SO1 9AN | 50.922594 | -1.462823 | 437854 | 113819 | SU378138 | No | 
| SO1 9AP | 50.92267 | -1.46369 | 437793 | 113827 | SU377138 | No | 
| SO1 9AQ | 50.923845 | -1.465113 | 437692 | 113957 | SU376139 | No | 
| SO1 9AR | 50.923601 | -1.464646 | 437725 | 113930 | SU377139 | No | 
| SO1 9AS | 50.922511 | -1.468216 | 437475 | 113807 | SU374138 | No | 
| SO1 9AT | 50.922757 | -1.469038 | 437417 | 113834 | SU374138 | No | 
| SO1 9AU | 50.922757 | -1.469038 | 437417 | 113834 | SU374138 | No | 
| SO1 9AW | 50.922757 | -1.469038 | 437417 | 113834 | SU374138 | No | 
| SO1 9AX | 50.923363 | -1.467807 | 437503 | 113902 | SU375139 | No | 
| SO1 9AY | 50.924812 | -1.466084 | 437623 | 114064 | SU376140 | No | 
| SO1 9AZ | 50.924476 | -1.465362 | 437674 | 114027 | SU376140 | No | 
| SO1 9BA | 50.92481 | -1.465614 | 437656 | 114064 | SU376140 | No | 
| SO1 9BB | 50.92494 | -1.466452 | 437597 | 114078 | SU375140 | No | 
| SO1 9BD | 50.924942 | -1.46695 | 437562 | 114078 | SU375140 | No | 
| SO1 9BE | 50.926296 | -1.466067 | 437623 | 114229 | SU376142 | No | 
| SO1 9BG | 50.92594 | -1.466839 | 437569 | 114189 | SU375141 | No | 
| SO1 9BH | 50.922539 | -1.474475 | 437035 | 113807 | SU370138 | No | 
| SO1 9BJ | 50.923122 | -1.474028 | 437066 | 113872 | SU370138 | No | 
| SO1 9BL | 50.923491 | -1.47408 | 437062 | 113913 | SU370139 | No | 
| SO1 9BN | 50.924071 | -1.474984 | 436998 | 113977 | SU369139 | No | 
| SO1 9BP | 50.929044 | -1.471329 | 437251 | 114532 | SU372145 | No | 
| SO1 9BQ | 50.923786 | -1.47365 | 437092 | 113946 | SU370139 | No | 
| SO1 9BR | 50.923698 | -1.472214 | 437193 | 113937 | SU371139 | No | 
| SO1 9BS | 50.922997 | -1.472265 | 437190 | 113859 | SU371138 | No | 
| SO1 9BT | 50.923646 | -1.470607 | 437306 | 113932 | SU373139 | No | 
| SO1 9BU | 50.923622 | -1.471162 | 437267 | 113929 | SU372139 | No | 
| SO1 9BW | 50.922948 | -1.471326 | 437256 | 113854 | SU372138 | No | 
| SO1 9BX | 50.92302 | -1.455932 | 438338 | 113870 | SU383138 | No | 
| SO1 9BY | 50.922268 | -1.45843 | 438163 | 113785 | SU381137 | No | 
| SO1 9BZ | 50.922807 | -1.458353 | 438168 | 113845 | SU381138 | No | 
| SO1 9DA | 50.923698 | -1.458542 | 438154 | 113944 | SU381139 | No | 
| SO1 9DB | 50.924701 | -1.45954 | 438083 | 114055 | SU380140 | No | 
| SO1 9DD | 50.924862 | -1.457561 | 438222 | 114074 | SU382140 | No | 
| SO1 9DE | 50.923568 | -1.457604 | 438220 | 113930 | SU382139 | No | 
| SO1 9DF | 50.922664 | -1.456676 | 438286 | 113830 | SU382138 | No | 
| SO1 9DG | 50.923603 | -1.455626 | 438359 | 113935 | SU383139 | No | 
| SO1 9DH | 50.924254 | -1.456259 | 438314 | 114007 | SU383140 | No | 
| SO1 9DJ | 50.922909 | -1.457028 | 438261 | 113857 | SU382138 | No | 
| SO1 9DL | 50.923628 | -1.457105 | 438255 | 113937 | SU382139 | No | 
| SO1 9DN | 50.924565 | -1.455387 | 438375 | 114042 | SU383140 | No | 
| SO1 9DP | 50.924823 | -1.456736 | 438280 | 114070 | SU382140 | No | 
| SO1 9DQ | 50.925283 | -1.455265 | 438383 | 114122 | SU383141 | No | 
| SO1 9DR | 50.926031 | -1.453506 | 438506 | 114206 | SU385142 | No | 
| SO1 9DS | 50.926571 | -1.453685 | 438493 | 114266 | SU384142 | No | 
| SO1 9DT | 50.925563 | -1.455432 | 438371 | 114153 | SU383141 | No | 
| SO1 9DU | 50.926053 | -1.458415 | 438161 | 114206 | SU381142 | No | 
| SO1 9DW | 50.92586 | -1.457392 | 438233 | 114185 | SU382141 | No | 
| SO1 9DX | 50.927371 | -1.457546 | 438221 | 114353 | SU382143 | No | 
| SO1 9DY | 50.92724 | -1.458372 | 438163 | 114338 | SU381143 | No | 
| SO1 9DZ | 50.928277 | -1.45708 | 438253 | 114454 | SU382144 | No | 
| SO1 9EA | 50.928203 | -1.456568 | 438289 | 114446 | SU382144 | No | 
| SO1 9EB | 50.928626 | -1.45847 | 438155 | 114492 | SU381144 | No | 
| SO1 9ED | 50.928802 | -1.457671 | 438211 | 114512 | SU382145 | No | 
| SO1 9EE | 50.928031 | -1.458349 | 438164 | 114426 | SU381144 | No | 
| SO1 9EF | 50.929138 | -1.458478 | 438154 | 114549 | SU381145 | No | 
| SO1 9EG | 50.927891 | -1.459005 | 438118 | 114410 | SU381144 | No | 
| SO1 9EH | 50.927496 | -1.459138 | 438109 | 114366 | SU381143 | No | 
| SO1 9EJ | 50.927037 | -1.459115 | 438111 | 114315 | SU381143 | No | 
| SO1 9EL | 50.926569 | -1.459006 | 438119 | 114263 | SU381142 | No | 
| SO1 9EN | 50.92595 | -1.459426 | 438090 | 114194 | SU380141 | No | 
| SO1 9EP | 50.926037 | -1.458827 | 438132 | 114204 | SU381142 | No | 
| SO1 9EQ | 50.925372 | -1.458921 | 438126 | 114130 | SU381141 | No | 
| SO1 9ER | 50.925634 | -1.459131 | 438111 | 114159 | SU381141 | No | 
| SO1 9ES | 50.927902 | -1.451876 | 438619 | 114415 | SU386144 | No | 
| SO1 9ET | 50.930122 | -1.451509 | 438643 | 114662 | SU386146 | No | 
| SO1 9EU | 50.929797 | -1.45137 | 438653 | 114626 | SU386146 | No | 
| SO1 9EW | 50.929618 | -1.453436 | 438508 | 114605 | SU385146 | No | 
| SO1 9EX | 50.929539 | -1.453878 | 438477 | 114596 | SU384145 | No | 
| SO1 9EY | 50.92945 | -1.452086 | 438603 | 114587 | SU386145 | No | 
| SO1 9EZ | 50.92869 | -1.451184 | 438667 | 114503 | SU386145 | No | 
| SO1 9FB | 50.928988 | -1.45323 | 438523 | 114535 | SU385145 | No | 
| SO1 9FD | 50.928768 | -1.454228 | 438453 | 114510 | SU384145 | No | 
| SO1 9FE | 50.929128 | -1.454409 | 438440 | 114550 | SU384145 | No | 
| SO1 9FF | 50.929725 | -1.455014 | 438397 | 114616 | SU383146 | No | 
| SO1 9FG | 50.929686 | -1.454431 | 438438 | 114612 | SU384146 | No | 
| SO1 9FH | 50.93047 | -1.454735 | 438416 | 114699 | SU384146 | No | 
| SO1 9FJ | 50.929935 | -1.453887 | 438476 | 114640 | SU384146 | No | 
| SO1 9FL | 50.930648 | -1.45644 | 438296 | 114718 | SU382147 | No | 
| SO1 9FN | 50.931479 | -1.455306 | 438375 | 114811 | SU383148 | No | 
| SO1 9FP | 50.932648 | -1.45525 | 438378 | 114941 | SU383149 | No | 
| SO1 9FQ | 50.932706 | -1.456075 | 438320 | 114947 | SU383149 | No | 
| SO1 9FR | 50.930733 | -1.459058 | 438112 | 114726 | SU381147 | No | 
| SO1 9FS | 50.932224 | -1.456892 | 438263 | 114893 | SU382148 | No | 
| SO1 9FT | 50.932276 | -1.458385 | 438158 | 114898 | SU381148 | No | 
| SO1 9FU | 50.930844 | -1.459825 | 438058 | 114738 | SU380147 | No | 
| SO1 9FW | 50.930918 | -1.460322 | 438023 | 114746 | SU380147 | No | 
| SO1 9FX | 50.929924 | -1.459337 | 438093 | 114636 | SU380146 | No | 
| SO1 9FY | 50.929924 | -1.459337 | 438093 | 114636 | SU380146 | No | 
| SO1 9FZ | 50.929924 | -1.459337 | 438093 | 114636 | SU380146 | No | 
| SO1 9GA | 50.930398 | -1.458578 | 438146 | 114689 | SU381146 | No | 
| SO1 9GB | 50.9297 | -1.457476 | 438224 | 114612 | SU382146 | No | 
| SO1 9GD | 50.929345 | -1.456612 | 438285 | 114573 | SU382145 | No | 
| SO1 9GE | 50.928917 | -1.457314 | 438236 | 114525 | SU382145 | No | 
| SO1 9GF | 50.928413 | -1.455356 | 438374 | 114470 | SU383144 | No | 
| SO1 9GG | 50.92721 | -1.453777 | 438486 | 114337 | SU384143 | No | 
| SO1 9GH | 50.927747 | -1.453315 | 438518 | 114397 | SU385143 | No | 
| SO1 9GJ | 50.93281 | -1.449456 | 438785 | 114962 | SU387149 | No | 
| SO1 9GL | 50.930556 | -1.457765 | 438203 | 114707 | SU382147 | No | 
| SO1 9GN | 50.934408 | -1.450903 | 438682 | 115139 | SU386151 | No | 
| SO1 9GP | 50.935559 | -1.452654 | 438558 | 115266 | SU385152 | No | 
| SO1 9GQ | 50.935203 | -1.451677 | 438627 | 115227 | SU386152 | No | 
| SO1 9GR | 50.93607 | -1.452392 | 438576 | 115323 | SU385153 | No | 
| SO1 9GS | 50.923047 | -1.461636 | 437937 | 113870 | SU379138 | No | 
| SO1 9GT | 50.922919 | -1.461154 | 437971 | 113856 | SU379138 | No | 
| SO1 9GU | 50.92359 | -1.460364 | 438026 | 113931 | SU380139 | No | 
| SO1 9GW | 50.923754 | -1.46086 | 437991 | 113949 | SU379139 | No | 
| SO1 9GX | 50.923895 | -1.462238 | 437894 | 113964 | SU378139 | No | 
| SO1 9GY | 50.925455 | -1.463046 | 437836 | 114137 | SU378141 | No | 
| SO1 9GZ | 50.924927 | -1.461871 | 437919 | 114079 | SU379140 | No | 
| SO1 9HA | 50.92515 | -1.461328 | 437957 | 114104 | SU379141 | No | 
| SO1 9HB | 50.925038 | -1.460561 | 438011 | 114092 | SU380140 | No | 
| SO1 9HD | 50.925947 | -1.460621 | 438006 | 114193 | SU380141 | No | 
| SO1 9HE | 50.926495 | -1.460572 | 438009 | 114254 | SU380142 | No | 
| SO1 9HF | 50.926536 | -1.461682 | 437931 | 114258 | SU379142 | No | 
| SO1 9HG | 50.925961 | -1.461731 | 437928 | 114194 | SU379141 | No | 
| SO1 9HH | 50.926467 | -1.462195 | 437895 | 114250 | SU378142 | No | 
| SO1 9HJ | 50.926944 | -1.46236 | 437883 | 114303 | SU378143 | No | 
| SO1 9HL | 50.926455 | -1.463447 | 437807 | 114248 | SU378142 | No | 
| SO1 9HN | 50.926083 | -1.464717 | 437718 | 114206 | SU377142 | No | 
| SO1 9HP | 50.925795 | -1.464735 | 437717 | 114174 | SU377141 | No | 
| SO1 9HQ | 50.926078 | -1.465671 | 437651 | 114205 | SU376142 | No | 
| SO1 9HR | 50.925141 | -1.465283 | 437679 | 114101 | SU376141 | No | 
| SO1 9HS | 50.927225 | -1.464704 | 437718 | 114333 | SU377143 | No | 
| SO1 9HT | 50.927857 | -1.465224 | 437681 | 114403 | SU376144 | No | 
| SO1 9HU | 50.928133 | -1.466757 | 437573 | 114433 | SU375144 | No | 
| SO1 9HW | 50.927644 | -1.465994 | 437627 | 114379 | SU376143 | No | 
| SO1 9HX | 50.928662 | -1.464418 | 437737 | 114493 | SU377144 | No | 
| SO1 9HY | 50.928123 | -1.464466 | 437734 | 114433 | SU377144 | No | 
| SO1 9HZ | 50.929153 | -1.465664 | 437649 | 114547 | SU376145 | No | 
| SO1 9JA | 50.929338 | -1.466672 | 437578 | 114567 | SU375145 | No | 
| SO1 9JB | 50.928735 | -1.466537 | 437588 | 114500 | SU375145 | No | 
| SO1 9JD | 50.929012 | -1.468085 | 437479 | 114530 | SU374145 | No | 
| SO1 9JE | 50.928369 | -1.46721 | 437541 | 114459 | SU375144 | No | 
| SO1 9JF | 50.926999 | -1.468421 | 437457 | 114306 | SU374143 | No | 
| SO1 9JG | 50.927552 | -1.467475 | 437523 | 114368 | SU375143 | No | 
| SO1 9JH | 50.927071 | -1.466527 | 437590 | 114315 | SU375143 | No | 
| SO1 9JJ | 50.926739 | -1.46673 | 437576 | 114278 | SU375142 | No | 
| SO1 9JL | 50.923612 | -1.459382 | 438095 | 113934 | SU380139 | No | 
| SO1 9JN | 50.92425 | -1.463159 | 437829 | 114003 | SU378140 | No | 
| SO1 9JP | 50.922233 | -1.474408 | 437040 | 113773 | SU370137 | No | 
| SO1 9JQ | 50.925019 | -1.454457 | 438440 | 114093 | SU384140 | No | 
| SO1 9JR | 50.930932 | -1.457433 | 438226 | 114749 | SU382147 | No | 
| SO1 9JS | 50.921905 | -1.457695 | 438215 | 113745 | SU382137 | No | 
| SO1 9JT | 50.921938 | -1.457196 | 438250 | 113749 | SU382137 | No | 
| SO1 9JU | 50.929158 | -1.451264 | 438661 | 114555 | SU386145 | No | 
| SO1 9JW | 50.93065 | -1.474484 | 437028 | 114709 | SU370147 | No | 
| SO1 9JX | 50.929327 | -1.474129 | 437054 | 114562 | SU370145 | No | 
| SO1 9JY | 50.934757 | -1.462142 | 437892 | 115172 | SU378151 | No | 
| SO1 9JZ | 50.935334 | -1.456485 | 438289 | 115239 | SU382152 | No | 
| SO1 9LA | 50.935219 | -1.45892 | 438118 | 115225 | SU381152 | No | 
| SO1 9LB | 50.934759 | -1.458669 | 438136 | 115174 | SU381151 | No | 
| SO1 9LD | 50.93457 | -1.460607 | 438000 | 115152 | SU379151 | No | 
| SO1 9LE | 50.934324 | -1.461819 | 437915 | 115124 | SU379151 | No | 
| SO1 9LF | 50.934078 | -1.462961 | 437835 | 115096 | SU378150 | No | 
| SO1 9LG | 50.933375 | -1.464648 | 437717 | 115017 | SU377150 | No | 
| SO1 9LH | 50.932678 | -1.465481 | 437659 | 114939 | SU376149 | No | 
| SO1 9LJ | 50.932735 | -1.466207 | 437608 | 114945 | SU376149 | No | 
| SO1 9LL | 50.932926 | -1.46666 | 437576 | 114966 | SU375149 | No | 
| SO1 9LN | 50.932169 | -1.466284 | 437603 | 114882 | SU376148 | No | 
| SO1 9LP | 50.930603 | -1.464068 | 437760 | 114709 | SU377147 | No | 
| SO1 9LQ | 50.931312 | -1.463846 | 437775 | 114788 | SU377147 | No | 
| SO1 9LR | 50.930453 | -1.46286 | 437845 | 114693 | SU378146 | No | 
| SO1 9LS | 50.928885 | -1.46396 | 437769 | 114518 | SU377145 | No | 
| SO1 9LT | 50.928028 | -1.463386 | 437810 | 114423 | SU378144 | No | 
| SO1 9LU | 50.927582 | -1.464231 | 437751 | 114373 | SU377143 | No | 
| SO1 9LW | 50.925448 | -1.463629 | 437795 | 114136 | SU377141 | No | 
| SO1 9LX | 50.924796 | -1.464505 | 437734 | 114063 | SU377140 | No | 
| SO1 9LY | 50.924151 | -1.463175 | 437828 | 113992 | SU378139 | No | 
| SO1 9LZ | 50.923134 | -1.46293 | 437846 | 113879 | SU378138 | No | 
| SO1 9NA | 50.922665 | -1.460759 | 437999 | 113828 | SU379138 | No | 
| SO1 9NB | 50.922172 | -1.461006 | 437982 | 113773 | SU379137 | No | 
| SO1 9ND | 50.921758 | -1.457184 | 438251 | 113729 | SU382137 | No | 
| SO1 9NE | 50.933503 | -1.459282 | 438094 | 115034 | SU380150 | No | 
| SO1 9NF | 50.934213 | -1.459131 | 438104 | 115113 | SU381151 | No | 
| SO1 9NG | 50.934367 | -1.459485 | 438079 | 115130 | SU380151 | No |