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? |
|---|---|---|---|---|---|---|
| CO12 4RH | 51.927435 | 1.238455 | 622756 | 230391 | TM227303 | Yes |
| CO12 4RJ | 51.929869 | 1.241525 | 622955 | 230671 | TM229306 | Yes |
| CO12 4RL | 51.92926 | 1.23815 | 622726 | 230593 | TM227305 | Yes |
| CO12 4RN | 51.929713 | 1.237717 | 622694 | 230642 | TM226306 | Yes |
| CO12 4RP | 51.930424 | 1.239005 | 622779 | 230725 | TM227307 | Yes |
| CO12 4RQ | 51.937695 | 1.279793 | 625546 | 231659 | TM255316 | No |
| CO12 4RR | 51.930817 | 1.237156 | 622650 | 230763 | TM226307 | Yes |
| CO12 4RS | 51.931086 | 1.241089 | 622919 | 230805 | TM229308 | Yes |
| CO12 4RT | 51.937695 | 1.279793 | 625546 | 231659 | TM255316 | No |
| CO12 4RU | 51.930844 | 1.241377 | 622940 | 230779 | TM229307 | Yes |
| CO12 4RX | 51.931683 | 1.239022 | 622774 | 230865 | TM227308 | Yes |
| CO12 4RZ | 51.930358 | 1.241415 | 622945 | 230725 | TM229307 | Yes |
| CO12 4SA | 51.930263 | 1.264367 | 624523 | 230785 | TM245307 | Yes |
| CO12 4SB | 51.944552 | 1.253748 | 623722 | 232341 | TM237323 | Yes |
| CO12 4SG | 51.945188 | 1.250592 | 623502 | 232402 | TM235324 | No |
| CO12 4SH | 51.945188 | 1.250592 | 623502 | 232402 | TM235324 | No |
| CO12 4SJ | 51.945188 | 1.250592 | 623502 | 232402 | TM235324 | No |
| CO12 4SL | 51.945056 | 1.246245 | 623204 | 232374 | TM232323 | Yes |
| CO12 4SN | 51.945228 | 1.249139 | 623402 | 232402 | TM234324 | No |
| CO12 4SP | 51.947707 | 1.254136 | 623733 | 232693 | TM237326 | Yes |
| CO12 4SR | 51.947707 | 1.254136 | 623733 | 232693 | TM237326 | Yes |
| CO12 4SS | 51.943382 | 1.242355 | 622945 | 232176 | TM229321 | Yes |
| CO12 4ST | 51.933578 | 1.256038 | 623934 | 231128 | TM239311 | No |
| CO12 4SU | 51.943393 | 1.250462 | 623502 | 232202 | TM235322 | No |
| CO12 4SX | 51.947427 | 1.255499 | 623828 | 232666 | TM238326 | Yes |
| CO12 4SY | 51.946943 | 1.252174 | 623602 | 232602 | TM236326 | No |
| CO12 4SZ | 51.946943 | 1.252174 | 623602 | 232602 | TM236326 | No |
| CO12 4TA | 51.947577 | 1.252977 | 623654 | 232675 | TM236326 | No |
| CO12 4TD | 51.946943 | 1.252174 | 623602 | 232602 | TM236326 | No |
| CO12 4TE | 51.929362 | 1.234447 | 622471 | 230593 | TM224305 | Yes |
| CO12 4TF | 51.929241 | 1.231659 | 622280 | 230571 | TM222305 | Yes |
| CO12 4TG | 51.926777 | 1.233257 | 622402 | 230302 | TM224303 | No |
| CO12 4TH | 51.930208 | 1.232471 | 622331 | 230681 | TM223306 | Yes |
| CO12 4TJ | 51.930258 | 1.234904 | 622498 | 230694 | TM224306 | Yes |
| CO12 4TL | 51.931318 | 1.237221 | 622652 | 230819 | TM226308 | Yes |
| CO12 4TP | 51.930575 | 1.233501 | 622400 | 230725 | TM223307 | Yes |
| CO12 4TQ | 51.933578 | 1.256038 | 623934 | 231128 | TM239311 | No |
| CO12 4TR | 51.930776 | 1.249069 | 623469 | 230795 | TM234307 | Yes |
| CO12 4TS | 51.929955 | 1.24981 | 623524 | 230706 | TM235307 | Yes |
| CO12 4TT | 51.930168 | 1.248603 | 623440 | 230726 | TM234307 | Yes |
| CO12 4TU | 51.929064 | 1.249498 | 623507 | 230606 | TM235306 | Yes |
| CO12 4TX | 51.931183 | 1.251586 | 623640 | 230848 | TM236308 | Yes |
| CO12 4TY | 51.931039 | 1.25063 | 623575 | 230829 | TM235308 | Yes |
| CO12 4TZ | 51.930819 | 1.2498 | 623519 | 230802 | TM235308 | Yes |
| CO12 4UA | 51.930394 | 1.250525 | 623571 | 230757 | TM235307 | Yes |
| CO12 4UB | 51.92978 | 1.250932 | 623602 | 230690 | TM236306 | Yes |
| CO12 4UD | 51.929932 | 1.251307 | 623627 | 230708 | TM236307 | Yes |
| CO12 4UE | 51.929931 | 1.251641 | 623650 | 230709 | TM236307 | Yes |
| CO12 4UF | 51.93058 | 1.251601 | 623644 | 230781 | TM236307 | Yes |
| CO12 4UG | 51.928762 | 1.250655 | 623588 | 230576 | TM235305 | Yes |
| CO12 4UH | 51.930717 | 1.252818 | 623727 | 230800 | TM237307 | Yes |
| CO12 4UJ | 51.928883 | 1.252467 | 623712 | 230595 | TM237305 | Yes |
| CO12 4UL | 51.929758 | 1.252705 | 623724 | 230693 | TM237306 | Yes |
| CO12 4UN | 51.926992 | 1.251909 | 623683 | 230383 | TM236303 | Yes |
| CO12 4UP | 51.92938 | 1.253376 | 623772 | 230653 | TM237306 | Yes |
| CO12 4UQ | 51.927794 | 1.249232 | 623495 | 230464 | TM234304 | Yes |
| CO12 4UR | 51.928894 | 1.254694 | 623865 | 230603 | TM238306 | Yes |
| CO12 4US | 51.930508 | 1.255524 | 623914 | 230785 | TM239307 | Yes |
| CO12 4UT | 51.928113 | 1.25071 | 623595 | 230504 | TM235305 | Yes |
| CO12 4UU | 51.928698 | 1.255902 | 623949 | 230585 | TM239305 | Yes |
| CO12 4UW | 51.927105 | 1.256267 | 623982 | 230409 | TM239304 | Yes |
| CO12 4UX | 51.930698 | 1.254825 | 623865 | 230804 | TM238308 | Yes |
| CO12 4UY | 51.928263 | 1.25702 | 624028 | 230540 | TM240305 | Yes |
| CO12 4UZ | 51.928131 | 1.254624 | 623864 | 230518 | TM238305 | Yes |
| CO12 4WA | 51.937695 | 1.279793 | 625546 | 231659 | TM255316 | No |
| CO12 4WB | 51.926754 | 1.247178 | 623359 | 230342 | TM233303 | No |
| CO12 4WD | 51.933518 | 1.255611 | 623905 | 231120 | TM239311 | No |
| CO12 4WE | 51.926755 | 1.24712 | 623355 | 230342 | TM233303 | Yes |
| CO12 4WF | 51.927425 | 1.247285 | 623363 | 230417 | TM233304 | Yes |
| CO12 4WG | 51.927138 | 1.248588 | 623454 | 230389 | TM234303 | Yes |
| CO12 4WH | 51.925614 | 1.24807 | 623426 | 230218 | TM234302 | Yes |
| CO12 4WJ | 51.937695 | 1.279793 | 625546 | 231659 | TM255316 | No |
| CO12 4WL | 51.925487 | 1.249065 | 623495 | 230207 | TM234302 | Yes |
| CO12 4WN | 51.925496 | 1.249065 | 623495 | 230208 | TM234302 | No |
| CO12 4WP | 51.927372 | 1.246277 | 623294 | 230408 | TM232304 | Yes |
| CO12 4WT | 51.937695 | 1.279793 | 625546 | 231659 | TM255316 | No |
| CO12 4WU | 51.937695 | 1.279793 | 625546 | 231659 | TM255316 | No |
| CO12 4WW | 51.937695 | 1.279793 | 625546 | 231659 | TM255316 | No |
| CO12 4WX | 51.937695 | 1.279793 | 625546 | 231659 | TM255316 | No |
| CO12 4WY | 51.937695 | 1.279793 | 625546 | 231659 | TM255316 | No |
| CO12 4WZ | 51.927346 | 1.24626 | 623293 | 230405 | TM232304 | No |
| CO12 4XA | 51.927374 | 1.251442 | 623649 | 230424 | TM236304 | Yes |
| CO12 4XB | 51.927761 | 1.253041 | 623757 | 230472 | TM237304 | Yes |
| CO12 4XD | 51.928298 | 1.248264 | 623426 | 230517 | TM234305 | Yes |
| CO12 4XE | 51.92822 | 1.257904 | 624089 | 230538 | TM240305 | Yes |
| CO12 4XF | 51.927415 | 1.256769 | 624015 | 230445 | TM240304 | Yes |
| CO12 4XG | 51.927005 | 1.255023 | 623897 | 230394 | TM238303 | Yes |
| CO12 4XH | 51.927246 | 1.250516 | 623586 | 230407 | TM235304 | Yes |
| CO12 4XJ | 51.926972 | 1.259109 | 624178 | 230403 | TM241304 | Yes |
| CO12 4XL | 51.926501 | 1.25762 | 624078 | 230346 | TM240303 | Yes |
| CO12 4XN | 51.926695 | 1.252251 | 623708 | 230351 | TM237303 | Yes |
| CO12 4XP | 51.926017 | 1.250747 | 623608 | 230271 | TM236302 | Yes |
| CO12 4XQ | 51.93357 | 1.256022 | 623933 | 231127 | TM239311 | No |
| CO12 4XR | 51.926543 | 1.25352 | 623796 | 230338 | TM237303 | Yes |
| CO12 4XS | 51.930512 | 1.257954 | 624081 | 230793 | TM240307 | Yes |
| CO12 4XT | 51.929831 | 1.258196 | 624101 | 230718 | TM241307 | Yes |
| CO12 4XU | 51.930282 | 1.25881 | 624141 | 230770 | TM241307 | Yes |
| CO12 4XW | 51.926353 | 1.252226 | 623708 | 230313 | TM237303 | Yes |
| CO12 4XX | 51.930436 | 1.257134 | 624025 | 230782 | TM240307 | Yes |
| CO12 4YA | 51.942223 | 1.260215 | 624178 | 232102 | TM241321 | Yes |
| CO12 4YB | 51.941689 | 1.248636 | 623385 | 232007 | TM233320 | Yes |
| CO12 4YD | 51.930249 | 1.265166 | 624578 | 230786 | TM245307 | No |
| CO12 4YR | 51.937695 | 1.279793 | 625546 | 231659 | TM255316 | No |
| CO12 4YZ | 51.930436 | 1.257134 | 624025 | 230782 | TM240307 | No |
| CO12 5AA | 51.907549 | 1.198982 | 620140 | 228059 | TM201280 | Yes |
| CO12 5AB | 51.908166 | 1.19715 | 620011 | 228123 | TM200281 | Yes |
| CO12 5AD | 51.905906 | 1.192933 | 619732 | 227859 | TM197278 | Yes |
| CO12 5AE | 51.908327 | 1.18659 | 619284 | 228109 | TM192281 | Yes |
| CO12 5AF | 51.906501 | 1.185268 | 619202 | 227902 | TM192279 | No |
| CO12 5AG | 51.903804 | 1.189192 | 619485 | 227614 | TM194276 | Yes |
| CO12 5AH | 51.903667 | 1.187932 | 619399 | 227594 | TM193275 | Yes |
| CO12 5AJ | 51.903108 | 1.190292 | 619564 | 227539 | TM195275 | Yes |
| CO12 5AL | 51.903205 | 1.189702 | 619523 | 227548 | TM195275 | Yes |
| CO12 5AN | 51.901329 | 1.192899 | 619752 | 227350 | TM197273 | Yes |
| CO12 5AP | 51.903185 | 1.188814 | 619462 | 227544 | TM194275 | Yes |
| CO12 5AQ | 51.904072 | 1.189269 | 619489 | 227644 | TM194276 | Yes |
| CO12 5AR | 51.902651 | 1.188253 | 619426 | 227482 | TM194274 | Yes |
| CO12 5AS | 51.903279 | 1.188297 | 619426 | 227552 | TM194275 | Yes |
| CO12 5AT | 51.902822 | 1.187247 | 619356 | 227498 | TM193274 | Yes |
| CO12 5AU | 51.902289 | 1.18766 | 619387 | 227440 | TM193274 | Yes |
| CO12 5AW | 51.901894 | 1.189304 | 619502 | 227402 | TM195274 | No |
| CO12 5AX | 51.901908 | 1.185816 | 619262 | 227393 | TM192273 | Yes |
| CO12 5AY | 51.902012 | 1.184951 | 619202 | 227402 | TM192274 | No |
| CO12 5AZ | 51.902438 | 1.184515 | 619170 | 227448 | TM191274 | Yes |
| CO12 5BA | 51.901251 | 1.182483 | 619036 | 227309 | TM190273 | Yes |
| CO12 5BB | 51.898841 | 1.186136 | 619299 | 227053 | TM192270 | Yes |
| CO12 5BD | 51.898521 | 1.184674 | 619200 | 227013 | TM192270 | Yes |
| CO12 5BE | 51.897692 | 1.182377 | 619046 | 226913 | TM190269 | Yes |
| CO12 5BG | 51.896951 | 1.183866 | 619152 | 226836 | TM191268 | Yes |
| CO12 5BH | 51.889863 | 1.184861 | 619255 | 226050 | TM192260 | Yes |
| CO12 5BJ | 51.901662 | 1.181916 | 618995 | 227353 | TM189273 | Yes |
| CO12 5BL | 51.900417 | 1.180418 | 618898 | 227211 | TM188272 | Yes |
| CO12 5BN | 51.899593 | 1.176289 | 618618 | 227106 | TM186271 | Yes |
| CO12 5BP | 51.897058 | 1.158882 | 617433 | 226773 | TM174267 | Yes |
| CO12 5BQ | 51.892256 | 1.190816 | 619653 | 226334 | TM196263 | Yes |
| CO12 5BS | 51.896097 | 1.149089 | 616764 | 226636 | TM167266 | Yes |
| CO12 5BT | 51.896477 | 1.147662 | 616664 | 226674 | TM166266 | Yes |
| CO12 5BU | 51.896438 | 1.148808 | 616743 | 226674 | TM167266 | Yes |
| CO12 5BW | 51.899254 | 1.169519 | 618154 | 227048 | TM181270 | Yes |
| CO12 5BX | 51.895484 | 1.146793 | 616609 | 226561 | TM166265 | Yes |
| CO12 5BY | 51.890012 | 1.146265 | 616599 | 225951 | TM165259 | Yes |
| CO12 5BZ | 51.898174 | 1.181524 | 618985 | 226964 | TM189269 | Yes |
| CO12 5DA | 51.898381 | 1.144074 | 616408 | 226875 | TM164268 | Yes |
| CO12 5DB | 51.899038 | 1.137999 | 615987 | 226930 | TM159269 | Yes |
| CO12 5DD | 51.89185 | 1.131291 | 615560 | 226111 | TM155261 | Yes |
| CO12 5DE | 51.900668 | 1.136571 | 615881 | 227107 | TM158271 | Yes |
| CO12 5DF | 51.900654 | 1.127629 | 615266 | 227079 | TM152270 | Yes |
| CO12 5DG | 51.900939 | 1.12096 | 614806 | 227091 | TM148270 | Yes |
| CO12 5DH | 51.90624 | 1.19521 | 619887 | 227903 | TM198279 | Yes |
| CO12 5DJ | 51.90194 | 1.184277 | 619156 | 227391 | TM191273 | Yes |
| CO12 5DL | 51.901787 | 1.124959 | 615077 | 227198 | TM150271 | Yes |
| CO12 5DN | 51.927365 | 1.239672 | 622840 | 230387 | TM228303 | Yes |
| CO12 5DP | 51.923699 | 1.231377 | 622288 | 229954 | TM222299 | Yes |
| CO12 5DQ | 51.92782 | 1.239486 | 622825 | 230437 | TM228304 | Yes |
| CO12 5DR | 51.926874 | 1.236596 | 622631 | 230323 | TM226303 | Yes |
| CO12 5DS | 51.92509 | 1.232816 | 622380 | 230113 | TM223301 | Yes |
| CO12 5DT | 51.924258 | 1.231316 | 622281 | 230016 | TM222300 | Yes |
| CO12 5DU | 51.924037 | 1.231184 | 622273 | 229991 | TM222299 | Yes |
| CO12 5DW | 51.922832 | 1.23085 | 622256 | 229856 | TM222298 | No |
| CO12 5DX | 51.923677 | 1.230867 | 622253 | 229950 | TM222299 | Yes |
| CO12 5DY | 51.92553 | 1.230869 | 622244 | 230156 | TM222301 | Yes |
| CO12 5DZ | 51.925721 | 1.23177 | 622305 | 230180 | TM223301 | Yes |
| CO12 5EA | 51.923009 | 1.230295 | 622217 | 229874 | TM222298 | Yes |
| CO12 5EB | 51.921017 | 1.230443 | 622237 | 229653 | TM222296 | Yes |
| CO12 5ED | 51.922295 | 1.228469 | 622095 | 229789 | TM220297 | Yes |
| CO12 5EE | 51.92289 | 1.227741 | 622042 | 229852 | TM220298 | Yes |
| CO12 5EF | 51.922576 | 1.227064 | 621997 | 229816 | TM219298 | Yes |
| CO12 5EG | 51.923032 | 1.229453 | 622159 | 229874 | TM221298 | Yes |
| CO12 5EH | 51.923931 | 1.229809 | 622179 | 229975 | TM221299 | Yes |
| CO12 5EJ | 51.92581 | 1.228852 | 622104 | 230181 | TM221301 | Yes |
| CO12 5EL | 51.926587 | 1.226421 | 621933 | 230260 | TM219302 | Yes |
| CO12 5EN | 51.926611 | 1.229827 | 622167 | 230273 | TM221302 | Yes |
| CO12 5EP | 51.931284 | 1.228344 | 622042 | 230788 | TM220307 | Yes |
| CO12 5EQ | 51.923957 | 1.228225 | 622070 | 229973 | TM220299 | Yes |
| CO12 5ER | 51.930802 | 1.227218 | 621967 | 230731 | TM219307 | Yes |
| CO12 5ES | 51.930747 | 1.229876 | 622150 | 230733 | TM221307 | Yes |
| CO12 5ET | 51.934283 | 1.231469 | 622242 | 231131 | TM222311 | Yes |
| CO12 5EU | 51.927273 | 1.223066 | 621699 | 230326 | TM216303 | Yes |
| CO12 5EW | 51.928611 | 1.228399 | 622059 | 230491 | TM220304 | Yes |
| CO12 5EX | 51.927528 | 1.219985 | 621486 | 230345 | TM214303 | Yes |
| CO12 5EY | 51.928654 | 1.217316 | 621297 | 230462 | TM212304 | Yes |
| CO12 5EZ | 51.927148 | 1.230563 | 622215 | 230335 | TM222303 | Yes |
| CO12 5FA | 51.926644 | 1.220096 | 621498 | 230247 | TM214302 | Yes |
| CO12 5FB | 51.927522 | 1.232001 | 622312 | 230381 | TM223303 | Yes |
| CO12 5FD | 51.928512 | 1.23264 | 622351 | 230493 | TM223304 | Yes |
| CO12 5FE | 51.927507 | 1.233237 | 622397 | 230383 | TM223303 | Yes |
| CO12 5FF | 51.92451 | 1.228046 | 622055 | 230034 | TM220300 | Yes |
| CO12 5FG | 51.928136 | 1.235188 | 622528 | 230459 | TM225304 | Yes |
| CO12 5FH | 51.889956 | 1.183429 | 619156 | 226056 | TM191260 | Yes |
| CO12 5FJ | 51.928286 | 1.231722 | 622289 | 230465 | TM222304 | Yes |
| CO12 5FL | 51.928193 | 1.230173 | 622183 | 230450 | TM221304 | Yes |
| CO12 5FN | 51.899019 | 1.183867 | 619142 | 227065 | TM191270 | Yes |
| CO12 5FP | 51.922789 | 1.231094 | 622273 | 229852 | TM222298 | Yes |
| CO12 5FQ | 51.927574 | 1.228819 | 622093 | 230377 | TM220303 | Yes |
| CO12 5FR | 51.927191 | 1.208963 | 620730 | 230274 | TM207302 | Yes |
| CO12 5FT | 51.916292 | 1.181744 | 618912 | 228980 | TM189289 | Yes |
| CO12 5GG | 51.937695 | 1.279793 | 625546 | 231659 | TM255316 | No |
| CO12 5HA | 51.925536 | 1.216846 | 621280 | 230113 | TM212301 | Yes |
| CO12 5HB | 51.929626 | 1.217618 | 621313 | 230571 | TM213305 | Yes |
| CO12 5HD | 51.93629 | 1.221922 | 621576 | 231325 | TM215313 | Yes |