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 5TD | Harefield | 50.922739 | -1.348342 | 445900 | 113900 | SU459139 |
| SO18 5TE | Harefield | 50.915244 | -1.330054 | 447193 | 113078 | SU471130 |
| SO18 5TF | Thornhill | 50.914915 | -1.330741 | 447145 | 113041 | SU471130 |
| SO18 5TG | Thornhill | 50.913217 | -1.329575 | 447229 | 112853 | SU472128 |
| SO18 5TH | Thornhill | 50.914768 | -1.330207 | 447183 | 113025 | SU471130 |
| SO18 5TJ | Thornhill | 50.914045 | -1.32963 | 447224 | 112945 | SU472129 |
| SO18 5TN | Thornhill | 50.914357 | -1.329113 | 447260 | 112980 | SU472129 |
| SO18 5TP | Harefield | 50.914776 | -1.337959 | 446638 | 113021 | SU466130 |
| SO18 5TQ | Thornhill | 50.914426 | -1.33657 | 446736 | 112983 | SU467129 |
| SO18 5TR | Harefield | 50.914913 | -1.335151 | 446835 | 113038 | SU468130 |
| SO18 5TS | Thornhill | 50.914692 | -1.332608 | 447014 | 113015 | SU470130 |
| SO18 5TT | Harefield | 50.91528 | -1.331661 | 447080 | 113081 | SU470130 |
| SO18 5TU | Thornhill | 50.913802 | -1.32952 | 447232 | 112918 | SU472129 |
| SO18 5TW | Thornhill | 50.914504 | -1.334446 | 446885 | 112993 | SU468129 |
| SO18 5WH | Bitterne Park | 50.91774 | -1.386722 | 443207 | 113321 | SU432133 |
| SO18 5WJ | Bitterne Park | 50.91774 | -1.386722 | 443207 | 113321 | SU432133 |
| SO18 5WL | Bitterne Park | 50.91774 | -1.386722 | 443207 | 113321 | SU432133 |
| SO18 5WR | Bitterne Park | 50.91774 | -1.386722 | 443207 | 113321 | SU432133 |
| SO18 5WS | Bitterne Park | 50.91774 | -1.386722 | 443207 | 113321 | SU432133 |
| SO18 5WT | Bitterne Park | 50.91774 | -1.386722 | 443207 | 113321 | SU432133 |
| SO18 5WU | Bitterne Park | 50.91774 | -1.386722 | 443207 | 113321 | SU432133 |
| SO18 5WY | Harefield | 50.918705 | -1.344216 | 446194 | 113454 | SU461134 |
| SO18 5WZ | Bitterne Park | 50.91774 | -1.386722 | 443207 | 113321 | SU432133 |
| SO18 5ZA | Thornhill | 50.914574 | -1.335654 | 446800 | 113000 | SU467129 |
| SO18 5ZB | Harefield | 50.918696 | -1.344216 | 446194 | 113453 | SU461134 |
| SO18 5ZD | Harefield | 50.918705 | -1.344216 | 446194 | 113454 | SU461134 |
| SO18 5ZE | Thornhill | 50.914574 | -1.335654 | 446800 | 113000 | SU467129 |
| SO18 5ZF | Harefield | 50.918696 | -1.344216 | 446194 | 113453 | SU461134 |
| SO18 5ZG | Harefield | 50.918705 | -1.344216 | 446194 | 113454 | SU461134 |
| SO18 5ZH | Harefield | 50.918705 | -1.344216 | 446194 | 113454 | SU461134 |
| SO18 5ZJ | Harefield | 50.918705 | -1.344216 | 446194 | 113454 | SU461134 |
| SO18 5ZQ | Bitterne Park | 50.91774 | -1.386722 | 443207 | 113321 | SU432133 |
| SO18 5ZR | Bitterne Park | 50.91774 | -1.386722 | 443207 | 113321 | SU432133 |
| SO18 5ZX | Bitterne Park | 50.91774 | -1.386722 | 443207 | 113321 | SU432133 |
| SO18 6AA | Harefield | 50.917097 | -1.354125 | 445499 | 113269 | SU454132 |
| SO18 6AB | Harefield | 50.916874 | -1.354513 | 445472 | 113244 | SU454132 |
| SO18 6AD | Harefield | 50.91748 | -1.353523 | 445541 | 113312 | SU455133 |
| SO18 6AE | Harefield | 50.917083 | -1.353215 | 445563 | 113268 | SU455132 |
| SO18 6AF | Harefield | 50.918223 | -1.352962 | 445580 | 113395 | SU455133 |
| SO18 6AG | Harefield | 50.917638 | -1.352752 | 445595 | 113330 | SU455133 |
| SO18 6AH | Harefield | 50.917897 | -1.352493 | 445613 | 113359 | SU456133 |
| SO18 6AJ | Harefield | 50.917986 | -1.354089 | 445501 | 113368 | SU455133 |
| SO18 6AL | Harefield | 50.917753 | -1.354045 | 445504 | 113342 | SU455133 |
| SO18 6AN | Harefield | 50.917336 | -1.355089 | 445431 | 113295 | SU454132 |
| SO18 6AP | Harefield | 50.916168 | -1.355295 | 445418 | 113165 | SU454131 |
| SO18 6AQ | Harefield | 50.916872 | -1.355722 | 445387 | 113243 | SU453132 |
| SO18 6AR | Harefield | 50.918431 | -1.354865 | 445446 | 113417 | SU454134 |
| SO18 6AS | Harefield | 50.918937 | -1.355195 | 445422 | 113473 | SU454134 |
| SO18 6AT | Harefield | 50.919069 | -1.354738 | 445454 | 113488 | SU454134 |
| SO18 6AU | Harefield | 50.919344 | -1.353909 | 445512 | 113519 | SU455135 |
| SO18 6AW | Harefield | 50.919777 | -1.354288 | 445485 | 113567 | SU454135 |
| SO18 6AX | Harefield | 50.919765 | -1.355269 | 445416 | 113565 | SU454135 |
| SO18 6AY | Harefield | 50.920413 | -1.355317 | 445412 | 113637 | SU454136 |
| SO18 6AZ | Harefield | 50.919259 | -1.356528 | 445328 | 113508 | SU453135 |
| SO18 6BA | Harefield | 50.919113 | -1.35616 | 445354 | 113492 | SU453134 |
| SO18 6BB | Harefield | 50.918383 | -1.355758 | 445383 | 113411 | SU453134 |
| SO18 6BD | Harefield | 50.91811 | -1.356885 | 445304 | 113380 | SU453133 |
| SO18 6BE | Harefield | 50.918275 | -1.357523 | 445259 | 113398 | SU452133 |
| SO18 6BF | Harefield | 50.918036 | -1.356531 | 445329 | 113372 | SU453133 |
| SO18 6BG | Harefield | 50.917848 | -1.358212 | 445211 | 113350 | SU452133 |
| SO18 6BH | Harefield | 50.919203 | -1.352844 | 445587 | 113504 | SU455135 |
| SO18 6BJ | Harefield | 50.917038 | -1.358223 | 445211 | 113260 | SU452132 |
| SO18 6BL | Harefield | 50.916863 | -1.357405 | 445269 | 113241 | SU452132 |
| SO18 6BN | Harefield | 50.918544 | -1.357367 | 445270 | 113428 | SU452134 |
| SO18 6BP | Harefield | 50.916807 | -1.357031 | 445295 | 113235 | SU452132 |
| SO18 6BR | Peartree | 50.915137 | -1.360753 | 445035 | 113047 | SU450130 |
| SO18 6BS | Peartree | 50.915137 | -1.360753 | 445035 | 113047 | SU450130 |
| SO18 6BT | Harefield | 50.915562 | -1.354602 | 445467 | 113098 | SU454130 |
| SO18 6BU | Peartree | 50.915218 | -1.360856 | 445028 | 113056 | SU450130 |
| SO18 6BW | Harefield | 50.920731 | -1.356128 | 445355 | 113672 | SU453136 |
| SO18 6BX | Harefield | 50.915251 | -1.356982 | 445300 | 113062 | SU452130 |
| SO18 6LA | Harefield | 50.914686 | -1.355567 | 445400 | 113000 | SU454130 |
| SO18 6LW | Harefield | 50.915298 | -1.354136 | 445500 | 113069 | SU455130 |
| SO18 6LX | Harefield | 50.915053 | -1.353699 | 445531 | 113042 | SU455130 |
| SO18 6LY | Harefield | 50.916431 | -1.354135 | 445499 | 113195 | SU454131 |
| SO18 6NJ | Harefield | 50.916139 | -1.353289 | 445559 | 113163 | SU455131 |
| SO18 6NL | Harefield | 50.916323 | -1.3525 | 445614 | 113184 | SU456131 |
| SO18 6NN | Harefield | 50.916828 | -1.352739 | 445597 | 113240 | SU455132 |
| SO18 6NP | Harefield | 50.920822 | -1.3546 | 445462 | 113683 | SU454136 |
| SO18 6NQ | Harefield | 50.918213 | -1.351123 | 445709 | 113395 | SU457133 |
| SO18 6NR | Harefield | 50.917206 | -1.352876 | 445587 | 113282 | SU455132 |
| SO18 6NS | Harefield | 50.918852 | -1.352892 | 445584 | 113465 | SU455134 |
| SO18 6NT | Harefield | 50.918282 | -1.352189 | 445634 | 113402 | SU456134 |
| SO18 6NU | Harefield | 50.91965 | -1.352515 | 445610 | 113554 | SU456135 |
| SO18 6NW | Harefield | 50.920237 | -1.352873 | 445584 | 113619 | SU455136 |
| SO18 6NX | Harefield | 50.92003 | -1.351154 | 445705 | 113597 | SU457135 |
| SO18 6NY | Harefield | 50.920162 | -1.350683 | 445738 | 113612 | SU457136 |
| SO18 6PA | Harefield | 50.921129 | -1.354767 | 445450 | 113717 | SU454137 |
| SO18 6PG | Harefield | 50.920089 | -1.356915 | 445300 | 113600 | SU453136 |
| SO18 6PH | Harefield | 50.921023 | -1.355223 | 445418 | 113705 | SU454137 |
| SO18 6PJ | Harefield | 50.921618 | -1.353721 | 445523 | 113772 | SU455137 |
| SO18 6PL | Harefield | 50.921344 | -1.352985 | 445575 | 113742 | SU455137 |
| SO18 6PN | Harefield | 50.92168 | -1.348826 | 445867 | 113782 | SU458137 |
| SO18 6PP | Harefield | 50.922547 | -1.346125 | 446056 | 113880 | SU460138 |
| SO18 6QN | Harefield | 50.922015 | -1.350728 | 445733 | 113818 | SU457138 |
| SO18 6RU | Harefield | 50.917132 | -1.357311 | 445275 | 113271 | SU452132 |
| SO18 6RW | Harefield | 50.922201 | -1.348677 | 445877 | 113840 | SU458138 |
| SO18 6RX | Harefield | 50.918571 | -1.354052 | 445503 | 113433 | SU455134 |
| SO18 6SG | Harefield | 50.917096 | -1.35239 | 445621 | 113270 | SU456132 |
| SO18 6SL | Harefield | 50.919046 | -1.357086 | 445289 | 113484 | SU452134 |