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 3LD | 51.937279 | 1.283546 | 625806 | 231624 | TM258316 | Yes |
| CO12 3LE | 51.937063 | 1.278073 | 625431 | 231583 | TM254315 | No |
| CO12 3LF | 51.938261 | 1.283472 | 625796 | 231733 | TM257317 | Yes |
| CO12 3LG | 51.938564 | 1.284527 | 625867 | 231770 | TM258317 | Yes |
| CO12 3LH | 51.940661 | 1.286107 | 625965 | 232008 | TM259320 | Yes |
| CO12 3LJ | 51.939576 | 1.285649 | 625939 | 231886 | TM259318 | Yes |
| CO12 3LL | 51.935857 | 1.281638 | 625682 | 231460 | TM256314 | Yes |
| CO12 3LN | 51.936666 | 1.280693 | 625613 | 231547 | TM256315 | No |
| CO12 3LP | 51.941745 | 1.286783 | 626006 | 232131 | TM260321 | Yes |
| CO12 3LR | 51.940702 | 1.286881 | 626018 | 232015 | TM260320 | Yes |
| CO12 3LS | 51.94174 | 1.287394 | 626048 | 232132 | TM260321 | Yes |
| CO12 3LT | 51.942452 | 1.287679 | 626064 | 232212 | TM260322 | Yes |
| CO12 3LU | 51.943003 | 1.287282 | 626034 | 232272 | TM260322 | Yes |
| CO12 3LW | 51.94026 | 1.285976 | 625958 | 231963 | TM259319 | No |
| CO12 3LX | 51.943231 | 1.287139 | 626023 | 232297 | TM260322 | Yes |
| CO12 3LY | 51.943653 | 1.28717 | 626023 | 232344 | TM260323 | Yes |
| CO12 3LZ | 51.94403 | 1.287867 | 626069 | 232388 | TM260323 | Yes |
| CO12 3NA | 51.943955 | 1.286872 | 626001 | 232377 | TM260323 | No |
| CO12 3NB | 51.944063 | 1.288612 | 626120 | 232394 | TM261323 | No |
| CO12 3ND | 51.945198 | 1.287254 | 626021 | 232516 | TM260325 | Yes |
| CO12 3NE | 51.945866 | 1.286851 | 625990 | 232589 | TM259325 | Yes |
| CO12 3NF | 51.946007 | 1.286193 | 625944 | 232603 | TM259326 | Yes |
| CO12 3NG | 51.945063 | 1.287564 | 626043 | 232502 | TM260325 | Yes |
| CO12 3NH | 51.944697 | 1.289415 | 626172 | 232467 | TM261324 | Yes |
| CO12 3NJ | 51.943033 | 1.288769 | 626136 | 232280 | TM261322 | Yes |
| CO12 3NL | 51.942033 | 1.290122 | 626234 | 232173 | TM262321 | Yes |
| CO12 3NN | 51.941111 | 1.288672 | 626139 | 232066 | TM261320 | Yes |
| CO12 3NP | 51.94035 | 1.288529 | 626133 | 231981 | TM261319 | Yes |
| CO12 3NQ | 51.935951 | 1.278589 | 625472 | 231461 | TM254314 | Yes |
| CO12 3NR | 51.939969 | 1.28706 | 626034 | 231934 | TM260319 | Yes |
| CO12 3NS | 51.939024 | 1.286613 | 626008 | 231828 | TM260318 | Yes |
| CO12 3NT | 51.943911 | 1.288557 | 626117 | 232377 | TM261323 | No |
| CO12 3NU | 51.943227 | 1.288259 | 626100 | 232300 | TM260322 | No |
| CO12 3NW | 51.940812 | 1.288112 | 626102 | 232031 | TM261320 | Yes |
| CO12 3NX | 51.937054 | 1.278073 | 625431 | 231582 | TM254315 | No |
| CO12 3NY | 51.943514 | 1.287654 | 626057 | 232330 | TM260323 | Yes |
| CO12 3NZ | 51.943227 | 1.288259 | 626100 | 232300 | TM260322 | No |
| CO12 3PA | 51.93701 | 1.279321 | 625517 | 231581 | TM255315 | Yes |
| CO12 3PB | 51.937312 | 1.278019 | 625426 | 231611 | TM254316 | Yes |
| CO12 3PD | 51.936716 | 1.277597 | 625400 | 231543 | TM254315 | Yes |
| CO12 3PE | 51.935775 | 1.27878 | 625486 | 231442 | TM254314 | Yes |
| CO12 3PF | 51.936449 | 1.276515 | 625327 | 231510 | TM253315 | Yes |
| CO12 3PG | 51.936217 | 1.27516 | 625235 | 231480 | TM252314 | No |
| CO12 3PH | 51.936362 | 1.277571 | 625400 | 231504 | TM253315 | Yes |
| CO12 3PJ | 51.936463 | 1.276545 | 625329 | 231512 | TM253315 | Yes |
| CO12 3PL | 51.935892 | 1.274554 | 625195 | 231442 | TM251314 | Yes |
| CO12 3PN | 51.936524 | 1.278034 | 625431 | 231523 | TM254315 | Yes |
| CO12 3PP | 51.935707 | 1.279575 | 625541 | 231437 | TM255314 | Yes |
| CO12 3PQ | 51.936843 | 1.277242 | 625375 | 231556 | TM253315 | Yes |
| CO12 3PR | 51.935849 | 1.279338 | 625524 | 231452 | TM255314 | Yes |
| CO12 3PS | 51.936698 | 1.27876 | 625480 | 231545 | TM254315 | Yes |
| CO12 3PT | 51.936747 | 1.279083 | 625502 | 231551 | TM255315 | Yes |
| CO12 3PU | 51.936343 | 1.27936 | 625523 | 231507 | TM255315 | Yes |
| CO12 3PW | 51.936235 | 1.278391 | 625457 | 231492 | TM254314 | Yes |
| CO12 3PX | 51.936367 | 1.279463 | 625530 | 231510 | TM255315 | Yes |
| CO12 3PY | 51.936556 | 1.279462 | 625529 | 231531 | TM255315 | Yes |
| CO12 3PZ | 51.936611 | 1.280063 | 625570 | 231539 | TM255315 | Yes |
| CO12 3QA | 51.935963 | 1.280088 | 625575 | 231467 | TM255314 | Yes |
| CO12 3QB | 51.936879 | 1.279821 | 625552 | 231568 | TM255315 | Yes |
| CO12 3QD | 51.936857 | 1.27995 | 625561 | 231566 | TM255315 | No |
| CO12 3QE | 51.935272 | 1.277652 | 625411 | 231383 | TM254313 | Yes |
| CO12 3QF | 51.935539 | 1.278195 | 625447 | 231414 | TM254314 | Yes |
| CO12 3QG | 51.935107 | 1.277247 | 625384 | 231363 | TM253313 | Yes |
| CO12 3QH | 51.935288 | 1.274932 | 625224 | 231376 | TM252313 | Yes |
| CO12 3QJ | 51.937135 | 1.276624 | 625331 | 231587 | TM253315 | Yes |
| CO12 3QL | 51.938001 | 1.277327 | 625375 | 231685 | TM253316 | Yes |
| CO12 3QN | 51.934633 | 1.276499 | 625335 | 231308 | TM253313 | Yes |
| CO12 3QP | 51.937221 | 1.277241 | 625373 | 231598 | TM253315 | Yes |
| CO12 3QQ | 51.935014 | 1.276702 | 625347 | 231351 | TM253313 | Yes |
| CO12 3QR | 51.93629 | 1.279021 | 625500 | 231500 | TM254315 | No |
| CO12 3QT | 51.934983 | 1.278795 | 625491 | 231354 | TM254313 | Yes |
| CO12 3QU | 51.937388 | 1.279829 | 625550 | 231625 | TM255316 | Yes |
| CO12 3QW | 51.935419 | 1.276033 | 625299 | 231394 | TM252313 | Yes |
| CO12 3RA | 51.93551 | 1.280521 | 625607 | 231418 | TM256314 | Yes |
| CO12 3RB | 51.934494 | 1.27889 | 625500 | 231300 | TM255312 | No |
| CO12 3RD | 51.934017 | 1.278477 | 625474 | 231246 | TM254312 | Yes |
| CO12 3RE | 51.934371 | 1.279114 | 625516 | 231287 | TM255312 | No |
| CO12 3RF | 51.9347 | 1.279589 | 625547 | 231325 | TM255313 | Yes |
| CO12 3RG | 51.933589 | 1.27782 | 625431 | 231196 | TM254311 | Yes |
| CO12 3RH | 51.933223 | 1.27708 | 625382 | 231153 | TM253311 | Yes |
| CO12 3RJ | 51.932591 | 1.276394 | 625338 | 231081 | TM253310 | Yes |
| CO12 3RL | 51.934156 | 1.278778 | 625494 | 231262 | TM254312 | Yes |
| CO12 3RN | 51.932762 | 1.275213 | 625256 | 231096 | TM252310 | Yes |
| CO12 3RP | 51.931753 | 1.274616 | 625220 | 230982 | TM252309 | Yes |
| CO12 3RR | 51.931592 | 1.27427 | 625197 | 230963 | TM251309 | Yes |
| CO12 3RS | 51.932309 | 1.27275 | 625089 | 231038 | TM250310 | Yes |
| CO12 3RT | 51.932004 | 1.271433 | 625000 | 231000 | TM249310 | No |
| CO12 3RU | 51.932004 | 1.271433 | 625000 | 231000 | TM249310 | No |
| CO12 3RW | 51.932524 | 1.274061 | 625178 | 231066 | TM251310 | Yes |
| CO12 3RX | 51.931066 | 1.272485 | 625077 | 230899 | TM250308 | Yes |
| CO12 3RY | 51.932228 | 1.271333 | 624992 | 231025 | TM249310 | Yes |
| CO12 3RZ | 51.930892 | 1.271294 | 624996 | 230876 | TM249308 | Yes |
| CO12 3SA | 51.933059 | 1.273911 | 625165 | 231125 | TM251311 | Yes |
| CO12 3SB | 51.933863 | 1.274741 | 625218 | 231217 | TM252312 | Yes |
| CO12 3SD | 51.926054 | 1.262868 | 624441 | 230312 | TM244303 | Yes |
| CO12 3SE | 51.933103 | 1.274278 | 625190 | 231131 | TM251311 | Yes |
| CO12 3SF | 51.925828 | 1.264525 | 624556 | 230292 | TM245302 | Yes |
| CO12 3SG | 51.934042 | 1.275758 | 625287 | 231240 | TM252312 | Yes |
| CO12 3SH | 51.933391 | 1.276205 | 625321 | 231169 | TM253311 | Yes |
| CO12 3SJ | 51.934211 | 1.277109 | 625379 | 231263 | TM253312 | Yes |
| CO12 3SL | 51.9266 | 1.263606 | 624489 | 230375 | TM244303 | Yes |
| CO12 3SN | 51.92546 | 1.262854 | 624443 | 230246 | TM244302 | Yes |
| CO12 3SP | 51.931416 | 1.268321 | 624789 | 230925 | TM247309 | Yes |
| CO12 3SQ | 51.933219 | 1.275261 | 625257 | 231147 | TM252311 | Yes |
| CO12 3SR | 51.93193 | 1.276229 | 625330 | 231007 | TM253310 | Yes |
| CO12 3SS | 51.930668 | 1.274493 | 625217 | 230861 | TM252308 | Yes |
| CO12 3ST | 51.929416 | 1.273471 | 625153 | 230719 | TM251307 | Yes |
| CO12 3SU | 51.930077 | 1.269562 | 624881 | 230780 | TM248307 | Yes |
| CO12 3SW | 51.925584 | 1.262296 | 624404 | 230258 | TM244302 | Yes |
| CO12 3SX | 51.926112 | 1.261418 | 624341 | 230314 | TM243303 | Yes |
| CO12 3SY | 51.937681 | 1.279763 | 625544 | 231657 | TM255316 | No |
| CO12 3SZ | 51.929025 | 1.268903 | 624841 | 230661 | TM248306 | Yes |
| CO12 3TA | 51.927387 | 1.266849 | 624708 | 230473 | TM247304 | Yes |
| CO12 3TB | 51.928183 | 1.26327 | 624458 | 230550 | TM244305 | Yes |
| CO12 3TD | 51.928138 | 1.263921 | 624503 | 230547 | TM245305 | Yes |
| CO12 3TE | 51.930127 | 1.262596 | 624402 | 230764 | TM244307 | Yes |
| CO12 3TF | 51.937681 | 1.279763 | 625544 | 231657 | TM255316 | No |
| CO12 3TG | 51.929609 | 1.261788 | 624349 | 230704 | TM243307 | Yes |
| CO12 3TH | 51.930255 | 1.263464 | 624461 | 230781 | TM244307 | Yes |
| CO12 3TJ | 51.929238 | 1.263812 | 624490 | 230669 | TM244306 | Yes |
| CO12 3TL | 51.929551 | 1.265828 | 624627 | 230710 | TM246307 | Yes |
| CO12 3TN | 51.928768 | 1.267459 | 624743 | 230628 | TM247306 | Yes |
| CO12 3TP | 51.928772 | 1.266033 | 624645 | 230624 | TM246306 | Yes |
| CO12 3TQ | 51.928227 | 1.246411 | 623299 | 230503 | TM232305 | Yes |
| CO12 3TR | 51.927373 | 1.262978 | 624442 | 230459 | TM244304 | Yes |
| CO12 3TS | 51.925971 | 1.258905 | 624169 | 230291 | TM241302 | Yes |
| CO12 3TT | 51.924631 | 1.260496 | 624285 | 230147 | TM242301 | Yes |
| CO12 3TU | 51.925065 | 1.2622 | 624400 | 230200 | TM244302 | No |
| CO12 3TW | 51.928268 | 1.2654 | 624604 | 230566 | TM246305 | Yes |
| CO12 3TX | 51.925968 | 1.247107 | 623358 | 230254 | TM233302 | Yes |
| CO12 3TY | 51.929311 | 1.271237 | 625000 | 230700 | TM249307 | No |
| CO12 3TZ | 51.922492 | 1.259802 | 624248 | 229907 | TM242299 | Yes |
| CO12 3UA | 51.925982 | 1.256055 | 623973 | 230283 | TM239302 | Yes |
| CO12 3UB | 51.92594 | 1.255266 | 623919 | 230276 | TM239302 | Yes |
| CO12 3UD | 51.925997 | 1.253859 | 623822 | 230278 | TM238302 | Yes |
| CO12 3UE | 51.925646 | 1.254546 | 623871 | 230241 | TM238302 | Yes |
| CO12 3UF | 51.92528 | 1.253443 | 623797 | 230197 | TM237301 | Yes |
| CO12 3UH | 51.928041 | 1.244361 | 623159 | 230476 | TM231304 | Yes |
| CO12 3UJ | 51.925573 | 1.251646 | 623672 | 230224 | TM236302 | Yes |
| CO12 3UL | 51.925009 | 1.250892 | 623623 | 230159 | TM236301 | Yes |
| CO12 3WA | 51.925009 | 1.250892 | 623623 | 230159 | TM236301 | No |
| CO12 3WB | 51.937681 | 1.279763 | 625544 | 231657 | TM255316 | No |
| CO12 3WD | 51.925009 | 1.250892 | 623623 | 230159 | TM236301 | No |
| CO12 3WE | 51.937681 | 1.279763 | 625544 | 231657 | TM255316 | No |
| CO12 3WF | 51.937681 | 1.279763 | 625544 | 231657 | TM255316 | No |
| CO12 3WG | 51.925009 | 1.250892 | 623623 | 230159 | TM236301 | No |
| CO12 3WH | 51.937681 | 1.279763 | 625544 | 231657 | TM255316 | No |
| CO12 3WJ | 51.937681 | 1.279763 | 625544 | 231657 | TM255316 | No |
| CO12 3WL | 51.937681 | 1.279763 | 625544 | 231657 | TM255316 | No |
| CO12 3WN | 51.937681 | 1.279763 | 625544 | 231657 | TM255316 | No |
| CO12 3WP | 51.937681 | 1.279763 | 625544 | 231657 | TM255316 | No |
| CO12 3WQ | 51.937681 | 1.279763 | 625544 | 231657 | TM255316 | No |
| CO12 3WR | 51.937681 | 1.279763 | 625544 | 231657 | TM255316 | No |
| CO12 3WS | 51.937681 | 1.279763 | 625544 | 231657 | TM255316 | No |
| CO12 3WT | 51.937681 | 1.279763 | 625544 | 231657 | TM255316 | No |
| CO12 3WU | 51.937681 | 1.279763 | 625544 | 231657 | TM255316 | No |
| CO12 3WW | 51.937681 | 1.279763 | 625544 | 231657 | TM255316 | No |
| CO12 3WX | 51.937681 | 1.279763 | 625544 | 231657 | TM255316 | No |
| CO12 3WY | 51.937681 | 1.279763 | 625544 | 231657 | TM255316 | No |
| CO12 3WZ | 51.937681 | 1.279763 | 625544 | 231657 | TM255316 | No |
| CO12 3XA | 51.937681 | 1.279763 | 625544 | 231657 | TM255316 | No |
| CO12 3XQ | 51.937681 | 1.279763 | 625544 | 231657 | TM255316 | No |
| CO12 3YY | 51.936864 | 1.279718 | 625545 | 231566 | TM255315 | No |
| CO12 4AA | 51.935288 | 1.272676 | 625069 | 231369 | TM250313 | Yes |
| CO12 4AB | 51.936068 | 1.272137 | 625028 | 231454 | TM250314 | Yes |
| CO12 4AD | 51.935594 | 1.271695 | 625000 | 231400 | TM250313 | No |
| CO12 4AE | 51.937157 | 1.271765 | 624997 | 231574 | TM249315 | Yes |
| CO12 4AF | 51.93795 | 1.271401 | 624968 | 231661 | TM249316 | Yes |
| CO12 4AG | 51.936754 | 1.271386 | 624973 | 231528 | TM249315 | Yes |
| CO12 4AH | 51.936709 | 1.270408 | 624906 | 231520 | TM249315 | Yes |
| CO12 4AJ | 51.935165 | 1.270616 | 624928 | 231349 | TM249313 | Yes |
| CO12 4AL | 51.934673 | 1.270842 | 624946 | 231295 | TM249312 | Yes |
| CO12 4AN | 51.935751 | 1.26833 | 624768 | 231407 | TM247314 | Yes |
| CO12 4AP | 51.935443 | 1.26419 | 624485 | 231360 | TM244313 | Yes |
| CO12 4AQ | 51.937652 | 1.262386 | 624350 | 231600 | TM243316 | No |
| CO12 4AR | 51.935588 | 1.262513 | 624369 | 231371 | TM243313 | Yes |
| CO12 4AS | 51.936636 | 1.267536 | 624709 | 231503 | TM247315 | Yes |
| CO12 4AT | 51.936482 | 1.266274 | 624623 | 231482 | TM246314 | Yes |
| CO12 4AU | 51.93611 | 1.264442 | 624499 | 231435 | TM244314 | Yes |
| CO12 4AW | 51.935936 | 1.26619 | 624620 | 231421 | TM246314 | Yes |
| CO12 4AX | 51.937111 | 1.26533 | 624555 | 231549 | TM245315 | Yes |
| CO12 4AY | 51.934185 | 1.274502 | 625200 | 231252 | TM251312 | Yes |
| CO12 4AZ | 51.937027 | 1.263839 | 624453 | 231535 | TM244315 | Yes |
| CO12 4BA | 51.936543 | 1.262786 | 624383 | 231478 | TM243314 | Yes |
| CO12 4BB | 51.937435 | 1.263069 | 624398 | 231578 | TM243315 | Yes |
| CO12 4BD | 51.937626 | 1.263301 | 624413 | 231600 | TM244315 | No |
| CO12 4BE | 51.937818 | 1.263519 | 624427 | 231622 | TM244316 | Yes |
| CO12 4BG | 51.93834 | 1.263193 | 624402 | 231679 | TM244316 | Yes |
| CO12 4BH | 51.938046 | 1.264699 | 624507 | 231651 | TM245316 | Yes |
| CO12 4BJ | 51.937756 | 1.266715 | 624647 | 231625 | TM246316 | Yes |
| CO12 4BL | 51.937977 | 1.267183 | 624678 | 231651 | TM246316 | Yes |
| CO12 4BN | 51.9374 | 1.266268 | 624618 | 231584 | TM246315 | Yes |
| CO12 4BP | 51.937187 | 1.279086 | 625500 | 231600 | TM254315 | No |
| CO12 4BQ | 51.937763 | 1.262249 | 624340 | 231612 | TM243316 | Yes |
| CO12 4BS | 51.937226 | 1.268001 | 624738 | 231570 | TM247315 | Yes |
| CO12 4BT | 51.937204 | 1.268451 | 624769 | 231569 | TM247315 | Yes |
| CO12 4BU | 51.934338 | 1.272564 | 625066 | 231263 | TM250312 | Yes |
| CO12 4BW | 51.93853 | 1.265084 | 624531 | 231706 | TM245317 | Yes |
| CO12 4BX | 51.934361 | 1.271067 | 624963 | 231261 | TM249312 | Yes |
| CO12 4BY | 51.933917 | 1.271849 | 625019 | 231214 | TM250312 | Yes |