This is a list of postcodes in the CO area , Colchester. The area covers Acton , Alresford , Ardleigh , Assington , Beaumont , Berechurch , Boxford (Babergh) , Boxted , Boxted Cross , Bradfield (Tendring) , Brantham , Brightlingsea , Bromley Cross , Bures , Castle Hedingham , Cavendish , Clacton-on-Sea , Clare , Coggeshall , Colchester , Colne Engaine , Copford , Dedham , Dedham Heath , Earls Colne , East Bergholt , East Mersea , Eight Ash Green , Elmstead Market , Fingringhoe , Fordham (Colchester) , Fordstreet , Foxash Estate , Frating Green , Frinton-on-Sea , Glemsford , Gosfield , Great Bentley , Great Holland , Great Horkesley , Great Oakley , Great Tey , Great Waldingfield , Great Yeldham , Halstead (Braintree) , Harwich , Heckfordbridge , High Park Corner , Higham (Babergh) , Hundon , Jaywick , Kelvedon and Feering , Kirby Cross , Kirby-le-Soken , Lamarsh , Lamb Corner , Langenhoe and Abberton , Langham (Tendring) , Lavenham , Lawford , Layer Breton , Layer-de-la-Haye , Leavenheath , Little Clacton , Little Oakley , Little Waldingfield , Long Melford , Manningtree , Marks Tey , Mistley , Nayland , Newton (Babergh) , Parkeston , Pebmarsh , Peldon , Point Clear , Ridgewell , Rowhedge , School Green , Seawick , Sible Hedingham , St Osyth , Stoke-by-Clare , Stoke-by-Nayland , Stratford St Mary , Sudbury , Thorpe-le-Soken , Thorrington , Tiptree , Tolleshunt Knights , Toppesfield , Tye Green (Colchester) , Wakes Colne , Walton-on-the-Naze , Weeley , West Bergholt , West Mersea , White Colne , Wickham St Paul , Wivenhoe , Wix . The area contains approximately 176,939 households with a population of about 411,411 (2011 census)
| Postcode | Latitude | Longitude | Easting | Northing | Grid reference | Active? |
|---|---|---|---|---|---|---|
| CO4 4TX | 51.912225 | 0.927557 | 601453 | 227793 | TM014277 | No |
| CO4 4TY | 51.912006 | 0.927325 | 601438 | 227768 | TM014277 | No |
| CO4 4TZ | 51.921489 | 0.929019 | 601512 | 228827 | TM015288 | No |
| CO4 4UA | 51.907287 | 0.923266 | 601180 | 227232 | TM011272 | No |
| CO4 4UB | 51.907287 | 0.923266 | 601180 | 227232 | TM011272 | No |
| CO4 4UD | 51.907286 | 0.923281 | 601181 | 227232 | TM011272 | No |
| CO4 4UE | 51.913157 | 0.915751 | 600637 | 227864 | TM006278 | No |
| CO4 4UF | 51.913447 | 0.917108 | 600729 | 227900 | TM007279 | No |
| CO4 4UG | 51.914283 | 0.915693 | 600628 | 227989 | TM006279 | No |
| CO4 4UH | 51.906153 | 0.916053 | 600689 | 227086 | TM006270 | No |
| CO4 4UJ | 51.906949 | 0.914389 | 600571 | 227170 | TM005271 | No |
| CO4 4UL | 51.907286 | 0.923281 | 601181 | 227232 | TM011272 | No |
| CO4 4UN | 51.910268 | 0.912568 | 600431 | 227534 | TM004275 | No |
| CO4 4UP | 51.909982 | 0.912128 | 600402 | 227501 | TM004275 | No |
| CO4 4UQ | 51.913912 | 0.917574 | 600759 | 227953 | TM007279 | No |
| CO4 4UR | 51.908775 | 0.913649 | 600512 | 227371 | TM005273 | No |
| CO4 4US | 51.908775 | 0.913649 | 600512 | 227371 | TM005273 | No |
| CO4 4UT | 51.914328 | 0.918227 | 600802 | 228001 | TM008280 | No |
| CO4 4UU | 51.914328 | 0.918227 | 600802 | 228001 | TM008280 | No |
| CO4 4UW | 51.909802 | 0.913236 | 600479 | 227484 | TM004274 | No |
| CO4 4UX | 51.913928 | 0.920935 | 600990 | 227964 | TM009279 | No |
| CO4 4UY | 51.88953 | 0.916124 | 600768 | 225238 | TM007252 | No |
| CO4 4UZ | 51.88953 | 0.916124 | 600768 | 225238 | TM007252 | No |
| CO4 4WA | 51.907286 | 0.923281 | 601181 | 227232 | TM011272 | No |
| CO4 4WB | 51.88953 | 0.916124 | 600768 | 225238 | TM007252 | No |
| CO4 4WD | 51.88953 | 0.916124 | 600768 | 225238 | TM007252 | No |
| CO4 4WE | 51.914328 | 0.918227 | 600802 | 228001 | TM008280 | No |
| CO4 4WF | 51.914328 | 0.918227 | 600802 | 228001 | TM008280 | No |
| CO4 4WG | 51.913033 | 0.927624 | 601454 | 227883 | TM014278 | No |
| CO4 4WH | 51.88953 | 0.916124 | 600768 | 225238 | TM007252 | No |
| CO4 4WJ | 51.907286 | 0.923281 | 601181 | 227232 | TM011272 | No |
| CO4 4WL | 51.88953 | 0.916124 | 600768 | 225238 | TM007252 | No |
| CO4 4WN | 51.921674 | 0.9241 | 601173 | 228834 | TM011288 | No |
| CO4 4WP | 51.919754 | 0.932571 | 601764 | 228644 | TM017286 | No |
| CO4 4WQ | 51.904643 | 0.924345 | 601266 | 226941 | TM012269 | No |
| CO4 4WR | 51.88953 | 0.916124 | 600768 | 225238 | TM007252 | No |
| CO4 4WS | 51.88953 | 0.916124 | 600768 | 225238 | TM007252 | No |
| CO4 4WT | 51.907286 | 0.923281 | 601181 | 227232 | TM011272 | No |
| CO4 4WU | 51.88953 | 0.916124 | 600768 | 225238 | TM007252 | No |
| CO4 4WW | 51.903157 | 0.918621 | 600879 | 226760 | TM008267 | No |
| CO4 4WX | 51.916775 | 0.921105 | 600989 | 228281 | TM009282 | No |
| CO4 4XA | 51.893855 | 0.917291 | 600829 | 225722 | TM008257 | No |
| CO4 4XB | 51.893855 | 0.917291 | 600829 | 225722 | TM008257 | No |
| CO4 4XD | 51.88953 | 0.916124 | 600768 | 225238 | TM007252 | No |
| CO4 4XE | 51.916336 | 0.923549 | 601159 | 228239 | TM011282 | No |
| CO4 4XF | 51.88953 | 0.916124 | 600768 | 225238 | TM007252 | No |
| CO4 4XG | 51.88953 | 0.916124 | 600768 | 225238 | TM007252 | No |
| CO4 4XH | 51.88953 | 0.916124 | 600768 | 225238 | TM007252 | No |
| CO4 4XJ | 51.88953 | 0.916124 | 600768 | 225238 | TM007252 | No |
| CO4 4XL | 51.902503 | 0.918521 | 600875 | 226687 | TM008266 | No |
| CO4 4XN | 51.915466 | 0.920918 | 600982 | 228135 | TM009281 | No |
| CO4 4XP | 51.918752 | 0.923343 | 601134 | 228507 | TM011285 | No |
| CO4 4XQ | 51.907286 | 0.923281 | 601181 | 227232 | TM011272 | No |
| CO4 4XR | 51.910768 | 0.915247 | 600613 | 227597 | TM006275 | No |
| CO4 4XS | 51.913746 | 0.918465 | 600821 | 227937 | TM008279 | No |
| CO4 4XT | 51.914674 | 0.920576 | 600962 | 228046 | TM009280 | No |
| CO4 4XU | 51.889976 | 0.921007 | 601102 | 225301 | TM011253 | No |
| CO4 4XW | 51.91894 | 0.923718 | 601159 | 228529 | TM011285 | No |
| CO4 4XX | 51.88953 | 0.916124 | 600768 | 225238 | TM007252 | No |
| CO4 4XY | 51.88953 | 0.916124 | 600768 | 225238 | TM007252 | No |
| CO4 4XZ | 51.907286 | 0.923281 | 601181 | 227232 | TM011272 | No |
| CO4 4YA | 51.921693 | 0.928406 | 601469 | 228848 | TM014288 | No |
| CO4 4YB | 51.909312 | 0.915953 | 600668 | 227437 | TM006274 | No |
| CO4 4YD | 51.909985 | 0.91636 | 600693 | 227513 | TM006275 | No |
| CO4 4YE | 51.909193 | 0.917137 | 600750 | 227427 | TM007274 | No |
| CO4 4YF | 51.908494 | 0.916656 | 600720 | 227348 | TM007273 | No |
| CO4 4YG | 51.88953 | 0.916124 | 600768 | 225238 | TM007252 | No |
| CO4 4YH | 51.907437 | 0.923363 | 601186 | 227249 | TM011272 | No |
| CO4 4YJ | 51.906747 | 0.933729 | 601902 | 227201 | TM019272 | No |
| CO4 4YL | 51.907287 | 0.923266 | 601180 | 227232 | TM011272 | No |
| CO4 4YN | 51.904694 | 0.937084 | 602142 | 226982 | TM021269 | No |
| CO4 4YP | 51.906669 | 0.934364 | 601946 | 227194 | TM019271 | No |
| CO4 4YQ | 51.923264 | 0.923796 | 601145 | 229010 | TM011290 | No |
| CO4 4YR | 51.921753 | 0.920934 | 600955 | 228834 | TM009288 | No |
| CO4 4YS | 51.88953 | 0.916124 | 600768 | 225238 | TM007252 | No |
| CO4 4YT | 51.914257 | 0.925435 | 601298 | 228013 | TM012280 | No |
| CO4 4YU | 51.913119 | 0.924896 | 601266 | 227885 | TM012278 | No |
| CO4 4YW | 51.904694 | 0.937084 | 602142 | 226982 | TM021269 | No |
| CO4 4YX | 51.88953 | 0.916124 | 600768 | 225238 | TM007252 | No |
| CO4 4YZ | 51.88953 | 0.916124 | 600768 | 225238 | TM007252 | No |
| CO4 4ZA | 51.88953 | 0.916124 | 600768 | 225238 | TM007252 | No |
| CO4 4ZB | 51.88953 | 0.916124 | 600768 | 225238 | TM007252 | No |
| CO4 4ZD | 51.88953 | 0.916124 | 600768 | 225238 | TM007252 | No |
| CO4 4ZE | 51.894264 | 0.921082 | 601088 | 225778 | TM010257 | No |
| CO4 4ZF | 51.891897 | 0.918603 | 600928 | 225508 | TM009255 | No |
| CO4 4ZG | 51.88953 | 0.916124 | 600768 | 225238 | TM007252 | No |
| CO4 4ZH | 51.88953 | 0.916124 | 600768 | 225238 | TM007252 | No |
| CO4 4ZJ | 51.88953 | 0.916124 | 600768 | 225238 | TM007252 | No |
| CO4 4ZL | 51.907437 | 0.923363 | 601186 | 227249 | TM011272 | No |
| CO4 4ZN | 51.88953 | 0.916124 | 600768 | 225238 | TM007252 | No |
| CO4 4ZP | 51.88953 | 0.916124 | 600768 | 225238 | TM007252 | No |
| CO4 4ZQ | 51.88953 | 0.916124 | 600768 | 225238 | TM007252 | No |
| CO4 4ZR | 51.907286 | 0.923281 | 601181 | 227232 | TM011272 | No |
| CO4 4ZS | 51.88953 | 0.916124 | 600768 | 225238 | TM007252 | No |
| CO4 4ZT | 51.88953 | 0.916124 | 600768 | 225238 | TM007252 | No |
| CO4 4ZU | 51.88953 | 0.916124 | 600768 | 225238 | TM007252 | No |
| CO4 4ZX | 51.907437 | 0.923363 | 601186 | 227249 | TM011272 | No |
| CO4 4ZY | 51.88953 | 0.916124 | 600768 | 225238 | TM007252 | No |
| CO4 5AA | 51.902097 | 0.894185 | 599203 | 226575 | TL992265 | Yes |
| CO4 5AB | 51.902018 | 0.893744 | 599173 | 226565 | TL991265 | Yes |
| CO4 5AD | 51.90193 | 0.89291 | 599116 | 226553 | TL991265 | Yes |
| CO4 5AE | 51.902739 | 0.892191 | 599063 | 226641 | TL990266 | Yes |
| CO4 5AF | 51.903059 | 0.892343 | 599072 | 226677 | TL990266 | Yes |
| CO4 5AG | 51.903338 | 0.890878 | 598970 | 226704 | TL989267 | Yes |
| CO4 5AH | 51.904131 | 0.888268 | 598787 | 226785 | TL987267 | Yes |
| CO4 5AJ | 51.903825 | 0.888263 | 598788 | 226751 | TL987267 | Yes |
| CO4 5AL | 51.921957 | 0.916671 | 600661 | 228845 | TM006288 | Yes |
| CO4 5AN | 51.92265 | 0.918476 | 600782 | 228927 | TM007289 | Yes |
| CO4 5AP | 51.904072 | 0.884804 | 598549 | 226769 | TL985267 | Yes |
| CO4 5AQ | 51.903118 | 0.890689 | 598958 | 226679 | TL989266 | Yes |
| CO4 5AR | 51.903267 | 0.876901 | 598009 | 226658 | TL980266 | Yes |
| CO4 5AS | 51.904845 | 0.885566 | 598598 | 226857 | TL985268 | Yes |
| CO4 5AT | 51.905119 | 0.885743 | 598609 | 226888 | TL986268 | Yes |
| CO4 5AU | 51.906687 | 0.881583 | 598316 | 227051 | TL983270 | Yes |
| CO4 5AW | 51.907045 | 0.872097 | 597662 | 227065 | TL976270 | Yes |
| CO4 5AX | 51.90597 | 0.881843 | 598337 | 226972 | TL983269 | Yes |
| CO4 5AY | 51.905919 | 0.876576 | 597975 | 226952 | TL979269 | Yes |
| CO4 5AZ | 51.907162 | 0.877266 | 598017 | 227092 | TL980270 | Yes |
| CO4 5BA | 51.906544 | 0.87679 | 597987 | 227022 | TL979270 | Yes |
| CO4 5BB | 51.906291 | 0.873168 | 597739 | 226984 | TL977269 | Yes |
| CO4 5BD | 51.923019 | 0.91882 | 600804 | 228969 | TM008289 | Yes |
| CO4 5BE | 51.923062 | 0.917805 | 600734 | 228971 | TM007289 | Yes |
| CO4 5BG | 51.90755 | 0.872769 | 597706 | 227123 | TL977271 | Yes |
| CO4 5BH | 51.910447 | 0.895828 | 599279 | 227508 | TL992275 | Yes |
| CO4 5BJ | 51.906454 | 0.871245 | 597606 | 226997 | TL976269 | Yes |
| CO4 5BL | 51.909452 | 0.89463 | 599201 | 227394 | TL992273 | Yes |
| CO4 5BN | 51.906881 | 0.870705 | 597567 | 227043 | TL975270 | Yes |
| CO4 5BP | 51.902764 | 0.895595 | 599297 | 226653 | TL992266 | Yes |
| CO4 5BQ | 51.908113 | 0.872936 | 597715 | 227186 | TL977271 | Yes |
| CO4 5BS | 51.909392 | 0.893753 | 599141 | 227385 | TL991273 | Yes |
| CO4 5BT | 51.90166 | 0.895102 | 599268 | 226529 | TL992265 | Yes |
| CO4 5BU | 51.903006 | 0.894506 | 599221 | 226677 | TL992266 | Yes |
| CO4 5BW | 51.909632 | 0.894976 | 599224 | 227415 | TL992274 | Yes |
| CO4 5BX | 51.902859 | 0.895019 | 599257 | 226662 | TL992266 | Yes |
| CO4 5BY | 51.905061 | 0.894318 | 599199 | 226905 | TL991269 | Yes |
| CO4 5BZ | 51.906863 | 0.893838 | 599158 | 227104 | TL991271 | Yes |
| CO4 5DA | 51.905138 | 0.893741 | 599159 | 226912 | TL991269 | Yes |
| CO4 5DB | 51.906603 | 0.893414 | 599130 | 227074 | TL991270 | Yes |
| CO4 5DD | 51.904212 | 0.893362 | 599137 | 226808 | TL991268 | Yes |
| CO4 5DE | 51.905055 | 0.892384 | 599066 | 226899 | TL990268 | Yes |
| CO4 5DF | 51.904531 | 0.891739 | 599024 | 226839 | TL990268 | Yes |
| CO4 5DG | 51.903196 | 0.89302 | 599118 | 226694 | TL991266 | Yes |
| CO4 5DH | 51.904337 | 0.891233 | 598990 | 226816 | TL989268 | Yes |
| CO4 5DJ | 51.904564 | 0.890026 | 598906 | 226838 | TL989268 | Yes |
| CO4 5DL | 51.904075 | 0.890154 | 598917 | 226784 | TL989267 | Yes |
| CO4 5DN | 51.903837 | 0.895446 | 599282 | 226772 | TL992267 | Yes |
| CO4 5DP | 51.917722 | 0.904659 | 599854 | 228341 | TL998283 | Yes |
| CO4 5DQ | 51.90392 | 0.892442 | 599075 | 226773 | TL990267 | Yes |
| CO4 5DR | 51.903504 | 0.891455 | 599009 | 226724 | TL990267 | Yes |
| CO4 5DS | 51.91622 | 0.909725 | 600209 | 228188 | TM002281 | Yes |
| CO4 5DT | 51.906614 | 0.882364 | 598370 | 227045 | TL983270 | Yes |
| CO4 5DU | 51.908332 | 0.894805 | 599218 | 227270 | TL992272 | Yes |
| CO4 5DW | 51.911354 | 0.895886 | 599279 | 227609 | TL992276 | Yes |
| CO4 5DX | 51.907969 | 0.894592 | 599205 | 227229 | TL992272 | Yes |
| CO4 5DY | 51.909329 | 0.89231 | 599042 | 227374 | TL990273 | Yes |
| CO4 5DZ | 51.909044 | 0.891826 | 599010 | 227341 | TL990273 | Yes |
| CO4 5EA | 51.910522 | 0.890976 | 598945 | 227503 | TL989275 | Yes |
| CO4 5EB | 51.918315 | 0.890037 | 598846 | 228367 | TL988283 | No |
| CO4 5ED | 51.911009 | 0.889451 | 598838 | 227553 | TL988275 | Yes |
| CO4 5EE | 51.918356 | 0.903711 | 599786 | 228409 | TL997284 | Yes |
| CO4 5EF | 51.911965 | 0.889716 | 598852 | 227660 | TL988276 | Yes |
| CO4 5EG | 51.912186 | 0.891694 | 598987 | 227690 | TL989276 | Yes |
| CO4 5EH | 51.912202 | 0.892524 | 599044 | 227694 | TL990276 | Yes |
| CO4 5EJ | 51.913556 | 0.890095 | 598871 | 227838 | TL988278 | Yes |
| CO4 5EL | 51.912476 | 0.890142 | 598879 | 227718 | TL988277 | Yes |
| CO4 5EN | 51.914157 | 0.891268 | 598949 | 227908 | TL989279 | Yes |
| CO4 5EP | 51.914464 | 0.890139 | 598870 | 227939 | TL988279 | Yes |
| CO4 5EQ | 51.913253 | 0.891108 | 598942 | 227807 | TL989278 | Yes |
| CO4 5ER | 51.904778 | 0.884238 | 598507 | 226846 | TL985268 | Yes |
| CO4 5ES | 51.918863 | 0.891178 | 598922 | 228431 | TL989284 | Yes |
| CO4 5ET | 51.915981 | 0.8906 | 598895 | 228109 | TL988281 | Yes |
| CO4 5EU | 51.901601 | 0.896043 | 599333 | 226525 | TL993265 | Yes |
| CO4 5EW | 51.915124 | 0.890734 | 598908 | 228014 | TL989280 | Yes |
| CO4 5EX | 51.904117 | 0.895406 | 599278 | 226803 | TL992268 | Yes |
| CO4 5EY | 51.95485 | 0.916186 | 600481 | 232501 | TM004325 | Yes |
| CO4 5EZ | 51.902653 | 0.881441 | 598324 | 226602 | TL983266 | Yes |
| CO4 5FA | 51.909903 | 0.895299 | 599245 | 227446 | TL992274 | Yes |
| CO4 5FB | 51.920601 | 0.891072 | 598907 | 228624 | TL989286 | Yes |
| CO4 5FD | 51.911121 | 0.893312 | 599103 | 227576 | TL991275 | Yes |
| CO4 5FE | 51.910528 | 0.893637 | 599128 | 227511 | TL991275 | Yes |
| CO4 5FF | 51.911282 | 0.894791 | 599204 | 227598 | TL992275 | Yes |
| CO4 5FG | 51.904505 | 0.899371 | 599549 | 226857 | TL995268 | Yes |
| CO4 5FH | 51.919651 | 0.912827 | 600407 | 228578 | TM004285 | Yes |
| CO4 5FJ | 51.919409 | 0.91351 | 600455 | 228553 | TM004285 | Yes |
| CO4 5FL | 51.920001 | 0.912864 | 600408 | 228617 | TM004286 | Yes |
| CO4 5FN | 51.91978 | 0.91125 | 600298 | 228588 | TM002285 | Yes |
| CO4 5FP | 51.914821 | 0.889129 | 598799 | 227976 | TL987279 | Yes |
| CO4 5FQ | 51.907803 | 0.892531 | 599064 | 227205 | TL990272 | Yes |
| CO4 5FR | 51.919059 | 0.920745 | 600954 | 228534 | TM009285 | Yes |
| CO4 5FS | 51.916115 | 0.889532 | 598821 | 228121 | TL988281 | Yes |
| CO4 5FT | 51.905017 | 0.896467 | 599347 | 226906 | TL993269 | Yes |
| CO4 5FU | 51.905369 | 0.895326 | 599267 | 226942 | TL992269 | Yes |
| CO4 5FW | 51.90408 | 0.896901 | 599381 | 226803 | TL993268 | Yes |
| CO4 5FX | 51.921219 | 0.891199 | 598913 | 228693 | TL989286 | Yes |
| CO4 5FY | 51.905146 | 0.896737 | 599365 | 226921 | TL993269 | Yes |
| CO4 5FZ | 51.919162 | 0.909319 | 600168 | 228514 | TM001285 | Yes |
| CO4 5GA | 51.921549 | 0.917881 | 600746 | 228803 | TM007288 | Yes |
| CO4 5GB | 51.920635 | 0.919232 | 600843 | 228705 | TM008287 | Yes |
| CO4 5GD | 51.920737 | 0.91873 | 600808 | 228715 | TM008287 | Yes |
| CO4 5GE | 51.921462 | 0.919243 | 600840 | 228797 | TM008287 | Yes |