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 3JR | 51.936533 | 1.280799 | 625621 | 231533 | TM256315 | Yes |
| CO12 3JS | 51.936839 | 1.281127 | 625642 | 231568 | TM256315 | No |
| CO12 3JT | 51.936383 | 1.281661 | 625681 | 231519 | TM256315 | Yes |
| CO12 3JU | 51.936452 | 1.281783 | 625689 | 231527 | TM256315 | Yes |
| CO12 3JW | 51.946905 | 1.284948 | 625854 | 232699 | TM258326 | Yes |
| CO12 3JX | 51.936279 | 1.282512 | 625740 | 231510 | TM257315 | Yes |
| CO12 3JY | 51.935594 | 1.281255 | 625657 | 231430 | TM256314 | Yes |
| CO12 3JZ | 51.93688 | 1.282251 | 625719 | 231576 | TM257315 | Yes |
| CO12 3LA | 51.936762 | 1.281631 | 625677 | 231561 | TM256315 | Yes |
| CO12 3LB | 51.936801 | 1.283467 | 625803 | 231571 | TM258315 | Yes |
| CO12 3LD | 51.937292 | 1.283576 | 625808 | 231626 | TM258316 | Yes |
| CO12 3LE | 51.937076 | 1.278103 | 625433 | 231585 | TM254315 | No |
| CO12 3LF | 51.938275 | 1.283502 | 625798 | 231735 | TM257317 | Yes |
| CO12 3LG | 51.938578 | 1.284557 | 625869 | 231772 | TM258317 | Yes |
| CO12 3LH | 51.940675 | 1.286137 | 625967 | 232010 | TM259320 | Yes |
| CO12 3LJ | 51.93959 | 1.285679 | 625941 | 231888 | TM259318 | Yes |
| CO12 3LL | 51.93587 | 1.281668 | 625684 | 231462 | TM256314 | Yes |
| CO12 3LN | 51.936679 | 1.280723 | 625615 | 231549 | TM256315 | No |
| CO12 3LP | 51.941745 | 1.286783 | 626006 | 232131 | TM260321 | Yes |
| CO12 3LR | 51.940716 | 1.286911 | 626020 | 232017 | TM260320 | Yes |
| CO12 3LS | 51.941754 | 1.287424 | 626050 | 232134 | TM260321 | Yes |
| CO12 3LT | 51.942466 | 1.287709 | 626066 | 232214 | TM260322 | Yes |
| CO12 3LU | 51.943016 | 1.287312 | 626036 | 232274 | TM260322 | Yes |
| CO12 3LW | 51.940274 | 1.286006 | 625960 | 231965 | TM259319 | No |
| CO12 3LX | 51.943245 | 1.287169 | 626025 | 232299 | TM260322 | Yes |
| CO12 3LY | 51.943667 | 1.2872 | 626025 | 232346 | TM260323 | Yes |
| CO12 3LZ | 51.944043 | 1.287897 | 626071 | 232390 | TM260323 | Yes |
| CO12 3NA | 51.943955 | 1.286872 | 626001 | 232377 | TM260323 | No |
| CO12 3NB | 51.944077 | 1.288642 | 626122 | 232396 | TM261323 | No |
| CO12 3ND | 51.945212 | 1.287284 | 626023 | 232518 | TM260325 | Yes |
| CO12 3NE | 51.94588 | 1.286882 | 625992 | 232591 | TM259325 | Yes |
| CO12 3NF | 51.946338 | 1.285911 | 625923 | 232639 | TM259326 | Yes |
| CO12 3NG | 51.945077 | 1.287594 | 626045 | 232504 | TM260325 | Yes |
| CO12 3NH | 51.944711 | 1.289445 | 626174 | 232469 | TM261324 | Yes |
| CO12 3NJ | 51.943047 | 1.288799 | 626138 | 232282 | TM261322 | Yes |
| CO12 3NL | 51.942047 | 1.290152 | 626236 | 232175 | TM262321 | Yes |
| CO12 3NN | 51.941125 | 1.288702 | 626141 | 232068 | TM261320 | Yes |
| CO12 3NP | 51.940364 | 1.288559 | 626135 | 231983 | TM261319 | Yes |
| CO12 3NQ | 51.935964 | 1.278619 | 625474 | 231463 | TM254314 | Yes |
| CO12 3NR | 51.939982 | 1.28709 | 626036 | 231936 | TM260319 | Yes |
| CO12 3NS | 51.939024 | 1.286613 | 626008 | 231828 | TM260318 | Yes |
| CO12 3NT | 51.943925 | 1.288587 | 626119 | 232379 | TM261323 | No |
| CO12 3NU | 51.943241 | 1.288289 | 626102 | 232302 | TM261323 | No |
| CO12 3NW | 51.940826 | 1.288142 | 626104 | 232033 | TM261320 | Yes |
| CO12 3NX | 51.937067 | 1.278103 | 625433 | 231584 | TM254315 | No |
| CO12 3NY | 51.943528 | 1.287685 | 626059 | 232332 | TM260323 | Yes |
| CO12 3NZ | 51.943241 | 1.288289 | 626102 | 232302 | TM261323 | No |
| CO12 3PA | 51.937023 | 1.279351 | 625519 | 231583 | TM255315 | Yes |
| CO12 3PB | 51.937312 | 1.278019 | 625426 | 231611 | TM254316 | Yes |
| CO12 3PD | 51.936755 | 1.277687 | 625406 | 231548 | TM254315 | Yes |
| CO12 3PE | 51.935788 | 1.27881 | 625488 | 231444 | TM254314 | Yes |
| CO12 3PF | 51.936463 | 1.276545 | 625329 | 231512 | TM253315 | Yes |
| CO12 3PG | 51.936231 | 1.27519 | 625237 | 231482 | TM252314 | No |
| CO12 3PH | 51.936284 | 1.277493 | 625395 | 231495 | TM253314 | Yes |
| CO12 3PJ | 51.936463 | 1.276545 | 625329 | 231512 | TM253315 | Yes |
| CO12 3PL | 51.935906 | 1.274584 | 625197 | 231444 | TM251314 | Yes |
| CO12 3PN | 51.936538 | 1.278064 | 625433 | 231525 | TM254315 | Yes |
| CO12 3PP | 51.935721 | 1.279605 | 625543 | 231439 | TM255314 | Yes |
| CO12 3PQ | 51.936856 | 1.277272 | 625377 | 231558 | TM253315 | Yes |
| CO12 3PR | 51.935863 | 1.279368 | 625526 | 231454 | TM255314 | Yes |
| CO12 3PS | 51.936698 | 1.27876 | 625480 | 231545 | TM254315 | Yes |
| CO12 3PT | 51.93676 | 1.279113 | 625504 | 231553 | TM255315 | Yes |
| CO12 3PU | 51.936357 | 1.27939 | 625525 | 231509 | TM255315 | Yes |
| CO12 3PW | 51.936249 | 1.278421 | 625459 | 231494 | TM254314 | Yes |
| CO12 3PX | 51.936381 | 1.279493 | 625532 | 231512 | TM255315 | Yes |
| CO12 3PY | 51.93657 | 1.279492 | 625531 | 231533 | TM255315 | Yes |
| CO12 3PZ | 51.936625 | 1.280093 | 625572 | 231541 | TM255315 | Yes |
| CO12 3QA | 51.935977 | 1.280118 | 625577 | 231469 | TM255314 | Yes |
| CO12 3QB | 51.936893 | 1.279851 | 625554 | 231570 | TM255315 | Yes |
| CO12 3QD | 51.936871 | 1.27998 | 625563 | 231568 | TM255315 | No |
| CO12 3QE | 51.935272 | 1.277652 | 625411 | 231383 | TM254313 | Yes |
| CO12 3QF | 51.935553 | 1.278225 | 625449 | 231416 | TM254314 | Yes |
| CO12 3QG | 51.93512 | 1.277277 | 625386 | 231365 | TM253313 | Yes |
| CO12 3QH | 51.935302 | 1.274962 | 625226 | 231378 | TM252313 | Yes |
| CO12 3QJ | 51.937135 | 1.276623 | 625331 | 231587 | TM253315 | Yes |
| CO12 3QL | 51.938014 | 1.277357 | 625377 | 231687 | TM253316 | Yes |
| CO12 3QN | 51.934647 | 1.276529 | 625337 | 231310 | TM253313 | Yes |
| CO12 3QP | 51.937234 | 1.277271 | 625375 | 231600 | TM253315 | Yes |
| CO12 3QQ | 51.935028 | 1.276732 | 625349 | 231353 | TM253313 | Yes |
| CO12 3QR | 51.936303 | 1.279051 | 625502 | 231502 | TM255315 | No |
| CO12 3QT | 51.934996 | 1.278825 | 625493 | 231356 | TM254313 | Yes |
| CO12 3QU | 51.937388 | 1.279829 | 625550 | 231625 | TM255316 | Yes |
| CO12 3QW | 51.935433 | 1.276063 | 625301 | 231396 | TM253313 | Yes |
| CO12 3RA | 51.935524 | 1.280551 | 625609 | 231420 | TM256314 | Yes |
| CO12 3RB | 51.934508 | 1.27892 | 625502 | 231302 | TM255313 | No |
| CO12 3RD | 51.934017 | 1.278477 | 625474 | 231246 | TM254312 | Yes |
| CO12 3RE | 51.934385 | 1.279144 | 625518 | 231289 | TM255312 | No |
| CO12 3RF | 51.934713 | 1.279619 | 625549 | 231327 | TM255313 | Yes |
| CO12 3RG | 51.933602 | 1.27785 | 625433 | 231198 | TM254311 | Yes |
| CO12 3RH | 51.933236 | 1.27711 | 625384 | 231155 | TM253311 | Yes |
| CO12 3RJ | 51.932591 | 1.276394 | 625338 | 231081 | TM253310 | Yes |
| CO12 3RL | 51.934169 | 1.278808 | 625496 | 231264 | TM254312 | Yes |
| CO12 3RN | 51.932775 | 1.275243 | 625258 | 231098 | TM252310 | Yes |
| CO12 3RP | 51.931767 | 1.274646 | 625222 | 230984 | TM252309 | Yes |
| CO12 3RR | 51.931605 | 1.2743 | 625199 | 230965 | TM251309 | Yes |
| CO12 3RS | 51.932322 | 1.27278 | 625091 | 231040 | TM250310 | Yes |
| CO12 3RT | 51.932017 | 1.271463 | 625002 | 231002 | TM250310 | No |
| CO12 3RU | 51.932017 | 1.271463 | 625002 | 231002 | TM250310 | No |
| CO12 3RW | 51.932538 | 1.274091 | 625180 | 231068 | TM251310 | Yes |
| CO12 3RX | 51.931079 | 1.272515 | 625079 | 230901 | TM250309 | Yes |
| CO12 3RY | 51.932228 | 1.271333 | 624992 | 231025 | TM249310 | Yes |
| CO12 3RZ | 51.930906 | 1.271324 | 624998 | 230878 | TM249308 | Yes |
| CO12 3SA | 51.933073 | 1.273941 | 625167 | 231127 | TM251311 | Yes |
| CO12 3SB | 51.933877 | 1.274771 | 625220 | 231219 | TM252312 | Yes |
| CO12 3SD | 51.926067 | 1.262898 | 624443 | 230314 | TM244303 | Yes |
| CO12 3SE | 51.933116 | 1.274308 | 625192 | 231133 | TM251311 | Yes |
| CO12 3SF | 51.925841 | 1.264555 | 624558 | 230294 | TM245302 | Yes |
| CO12 3SG | 51.934056 | 1.275788 | 625289 | 231242 | TM252312 | Yes |
| CO12 3SH | 51.933404 | 1.276235 | 625323 | 231171 | TM253311 | Yes |
| CO12 3SJ | 51.934225 | 1.277139 | 625381 | 231265 | TM253312 | Yes |
| CO12 3SL | 51.926613 | 1.263636 | 624491 | 230377 | TM244303 | Yes |
| CO12 3SN | 51.925474 | 1.262884 | 624445 | 230248 | TM244302 | Yes |
| CO12 3SP | 51.931429 | 1.268351 | 624791 | 230927 | TM247309 | Yes |
| CO12 3SQ | 51.933233 | 1.275291 | 625259 | 231149 | TM252311 | Yes |
| CO12 3SR | 51.93193 | 1.276229 | 625330 | 231007 | TM253310 | Yes |
| CO12 3SS | 51.930682 | 1.274523 | 625219 | 230863 | TM252308 | Yes |
| CO12 3ST | 51.929416 | 1.273471 | 625153 | 230719 | TM251307 | Yes |
| CO12 3SU | 51.93009 | 1.269592 | 624883 | 230782 | TM248307 | Yes |
| CO12 3SW | 51.925597 | 1.262326 | 624406 | 230260 | TM244302 | Yes |
| CO12 3SX | 51.926125 | 1.261448 | 624343 | 230316 | TM243303 | Yes |
| CO12 3SY | 51.937695 | 1.279793 | 625546 | 231659 | TM255316 | No |
| CO12 3SZ | 51.929038 | 1.268933 | 624843 | 230663 | TM248306 | Yes |
| CO12 3TA | 51.927387 | 1.266849 | 624708 | 230473 | TM247304 | Yes |
| CO12 3TB | 51.928196 | 1.2633 | 624460 | 230552 | TM244305 | Yes |
| CO12 3TD | 51.928151 | 1.263951 | 624505 | 230549 | TM245305 | Yes |
| CO12 3TE | 51.93014 | 1.262626 | 624404 | 230766 | TM244307 | Yes |
| CO12 3TF | 51.937695 | 1.279793 | 625546 | 231659 | TM255316 | No |
| CO12 3TG | 51.929623 | 1.261818 | 624351 | 230706 | TM243307 | Yes |
| CO12 3TH | 51.930269 | 1.263494 | 624463 | 230783 | TM244307 | Yes |
| CO12 3TJ | 51.929252 | 1.263842 | 624492 | 230671 | TM244306 | Yes |
| CO12 3TL | 51.929565 | 1.265858 | 624629 | 230712 | TM246307 | Yes |
| CO12 3TN | 51.928782 | 1.267489 | 624745 | 230630 | TM247306 | Yes |
| CO12 3TP | 51.928785 | 1.266063 | 624647 | 230626 | TM246306 | Yes |
| CO12 3TQ | 51.92824 | 1.246441 | 623301 | 230505 | TM233305 | Yes |
| CO12 3TR | 51.927386 | 1.263008 | 624444 | 230461 | TM244304 | Yes |
| CO12 3TS | 51.926105 | 1.258609 | 624148 | 230305 | TM241303 | Yes |
| CO12 3TT | 51.924631 | 1.260495 | 624285 | 230147 | TM242301 | Yes |
| CO12 3TU | 51.925078 | 1.26223 | 624402 | 230202 | TM244302 | No |
| CO12 3TW | 51.928281 | 1.26543 | 624606 | 230568 | TM246305 | Yes |
| CO12 3TX | 51.925981 | 1.247137 | 623360 | 230256 | TM233302 | Yes |
| CO12 3TY | 51.929324 | 1.271267 | 625002 | 230702 | TM250307 | No |
| CO12 3TZ | 51.922492 | 1.259802 | 624248 | 229907 | TM242299 | Yes |
| CO12 3UA | 51.925995 | 1.256085 | 623975 | 230285 | TM239302 | Yes |
| CO12 3UB | 51.925954 | 1.255296 | 623921 | 230278 | TM239302 | Yes |
| CO12 3UD | 51.926011 | 1.253889 | 623824 | 230280 | TM238302 | Yes |
| CO12 3UE | 51.925659 | 1.254576 | 623873 | 230243 | TM238302 | Yes |
| CO12 3UF | 51.925294 | 1.253473 | 623799 | 230199 | TM237301 | Yes |
| CO12 3UH | 51.928054 | 1.244391 | 623161 | 230478 | TM231304 | Yes |
| CO12 3UJ | 51.925586 | 1.251676 | 623674 | 230226 | TM236302 | Yes |
| CO12 3UL | 51.925022 | 1.250922 | 623625 | 230161 | TM236301 | Yes |
| CO12 3WA | 51.925022 | 1.250922 | 623625 | 230161 | TM236301 | No |
| CO12 3WB | 51.937695 | 1.279793 | 625546 | 231659 | TM255316 | No |
| CO12 3WD | 51.925022 | 1.250922 | 623625 | 230161 | TM236301 | No |
| CO12 3WE | 51.937695 | 1.279793 | 625546 | 231659 | TM255316 | No |
| CO12 3WF | 51.937695 | 1.279793 | 625546 | 231659 | TM255316 | No |
| CO12 3WG | 51.925022 | 1.250922 | 623625 | 230161 | TM236301 | No |
| CO12 3WH | 51.937695 | 1.279793 | 625546 | 231659 | TM255316 | No |
| CO12 3WJ | 51.937695 | 1.279793 | 625546 | 231659 | TM255316 | No |
| CO12 3WL | 51.937695 | 1.279793 | 625546 | 231659 | TM255316 | No |
| CO12 3WN | 51.937695 | 1.279793 | 625546 | 231659 | TM255316 | No |
| CO12 3WP | 51.937695 | 1.279793 | 625546 | 231659 | TM255316 | No |
| CO12 3WQ | 51.937695 | 1.279793 | 625546 | 231659 | TM255316 | No |
| CO12 3WR | 51.937695 | 1.279793 | 625546 | 231659 | TM255316 | No |
| CO12 3WS | 51.937695 | 1.279793 | 625546 | 231659 | TM255316 | No |
| CO12 3WT | 51.937695 | 1.279793 | 625546 | 231659 | TM255316 | No |
| CO12 3WU | 51.937695 | 1.279793 | 625546 | 231659 | TM255316 | No |
| CO12 3WW | 51.937695 | 1.279793 | 625546 | 231659 | TM255316 | No |
| CO12 3WX | 51.937695 | 1.279793 | 625546 | 231659 | TM255316 | No |
| CO12 3WY | 51.937695 | 1.279793 | 625546 | 231659 | TM255316 | No |
| CO12 3WZ | 51.937695 | 1.279793 | 625546 | 231659 | TM255316 | No |
| CO12 3XA | 51.937695 | 1.279793 | 625546 | 231659 | TM255316 | No |
| CO12 3XQ | 51.937695 | 1.279793 | 625546 | 231659 | TM255316 | No |
| CO12 3YY | 51.936877 | 1.279748 | 625547 | 231568 | TM255315 | No |
| CO12 4AA | 51.935302 | 1.272706 | 625071 | 231371 | TM250313 | Yes |
| CO12 4AB | 51.936081 | 1.272167 | 625030 | 231456 | TM250314 | Yes |
| CO12 4AD | 51.935608 | 1.271725 | 625002 | 231402 | TM250314 | No |
| CO12 4AE | 51.937171 | 1.271795 | 624999 | 231576 | TM249315 | Yes |
| CO12 4AF | 51.937963 | 1.271431 | 624970 | 231663 | TM249316 | Yes |
| CO12 4AG | 51.936768 | 1.271416 | 624975 | 231530 | TM249315 | Yes |
| CO12 4AH | 51.936723 | 1.270438 | 624908 | 231522 | TM249315 | Yes |
| CO12 4AJ | 51.935179 | 1.270646 | 624930 | 231351 | TM249313 | Yes |
| CO12 4AL | 51.934687 | 1.270872 | 624948 | 231297 | TM249312 | Yes |
| CO12 4AN | 51.935764 | 1.26836 | 624770 | 231409 | TM247314 | Yes |
| CO12 4AP | 51.935456 | 1.26422 | 624487 | 231362 | TM244313 | Yes |
| CO12 4AQ | 51.937665 | 1.262416 | 624352 | 231602 | TM243316 | No |
| CO12 4AR | 51.935602 | 1.262543 | 624371 | 231373 | TM243313 | Yes |
| CO12 4AS | 51.93665 | 1.267566 | 624711 | 231505 | TM247315 | Yes |
| CO12 4AT | 51.936496 | 1.266304 | 624625 | 231484 | TM246314 | Yes |
| CO12 4AU | 51.936124 | 1.264472 | 624501 | 231437 | TM245314 | Yes |
| CO12 4AW | 51.93595 | 1.26622 | 624622 | 231423 | TM246314 | Yes |
| CO12 4AX | 51.937125 | 1.26536 | 624557 | 231551 | TM245315 | Yes |
| CO12 4AY | 51.934198 | 1.274532 | 625202 | 231254 | TM252312 | Yes |
| CO12 4AZ | 51.93704 | 1.26387 | 624455 | 231537 | TM244315 | Yes |
| CO12 4BA | 51.936557 | 1.262816 | 624385 | 231480 | TM243314 | Yes |
| CO12 4BB | 51.937448 | 1.263099 | 624400 | 231580 | TM244315 | Yes |
| CO12 4BD | 51.93764 | 1.263331 | 624415 | 231602 | TM244316 | No |
| CO12 4BE | 51.937832 | 1.263549 | 624429 | 231624 | TM244316 | Yes |
| CO12 4BG | 51.938353 | 1.263223 | 624404 | 231681 | TM244316 | Yes |
| CO12 4BH | 51.93806 | 1.264729 | 624509 | 231653 | TM245316 | Yes |
| CO12 4BJ | 51.93777 | 1.266746 | 624649 | 231627 | TM246316 | Yes |