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 5SQ | 51.95516 | 0.920035 | 600744 | 232546 | TM007325 | Yes |
| CO4 5SR | 51.956228 | 0.920468 | 600769 | 232666 | TM007326 | Yes |
| CO4 5SS | 51.958527 | 0.919176 | 600670 | 232918 | TM006329 | Yes |
| CO4 5ST | 51.961512 | 0.910111 | 600034 | 233225 | TM000332 | Yes |
| CO4 5SU | 51.961827 | 0.908268 | 599906 | 233255 | TL999332 | Yes |
| CO4 5SW | 51.905799 | 0.900879 | 599647 | 227005 | TL996270 | Yes |
| CO4 5SX | 51.962717 | 0.908646 | 599928 | 233355 | TL999333 | Yes |
| CO4 5SY | 51.963979 | 0.914013 | 600291 | 233510 | TM002335 | Yes |
| CO4 5SZ | 51.965931 | 0.920502 | 600728 | 233745 | TM007337 | Yes |
| CO4 5TA | 51.965745 | 0.927653 | 601220 | 233744 | TM012337 | Yes |
| CO4 5TB | 51.971531 | 0.928598 | 601259 | 234390 | TM012343 | Yes |
| CO4 5TD | 51.966973 | 0.935028 | 601721 | 233901 | TM017339 | Yes |
| CO4 5TE | 51.969957 | 0.939809 | 602036 | 234246 | TM020342 | Yes |
| CO4 5TF | 51.964112 | 0.933618 | 601637 | 233579 | TM016335 | Yes |
| CO4 5TG | 51.961115 | 0.907261 | 599840 | 233173 | TL998331 | Yes |
| CO4 5TH | 51.95863 | 0.895309 | 599030 | 232864 | TL990328 | Yes |
| CO4 5TJ | 51.96177 | 0.900403 | 599366 | 233227 | TL993332 | Yes |
| CO4 5TL | 51.96323 | 0.895155 | 598999 | 233375 | TL989333 | Yes |
| CO4 5TN | 51.955546 | 0.900045 | 599369 | 232534 | TL993325 | Yes |
| CO4 5TP | 51.951072 | 0.900571 | 599425 | 232038 | TL994320 | Yes |
| CO4 5TQ | 51.958252 | 0.90776 | 599887 | 232856 | TL998328 | Yes |
| CO4 5TR | 51.950725 | 0.899312 | 599340 | 231996 | TL993319 | Yes |
| CO4 5TS | 51.954055 | 0.888625 | 598591 | 232337 | TL985323 | Yes |
| CO4 5TT | 51.949628 | 0.901511 | 599496 | 231880 | TL994318 | Yes |
| CO4 5TU | 51.901507 | 0.900966 | 599672 | 226528 | TL996265 | Yes |
| CO4 5TW | 51.951416 | 0.90087 | 599444 | 232077 | TL994320 | Yes |
| CO4 5TX | 51.907496 | 0.876444 | 597959 | 227127 | TL979271 | Yes |
| CO4 5TY | 51.903117 | 0.8823 | 598381 | 226656 | TL983266 | Yes |
| CO4 5TZ | 51.924216 | 0.918054 | 600746 | 229100 | TM007291 | Yes |
| CO4 5UA | 51.905176 | 0.881966 | 598349 | 226884 | TL983268 | Yes |
| CO4 5UB | 51.904245 | 0.879202 | 598163 | 226773 | TL981267 | Yes |
| CO4 5UD | 51.905702 | 0.881797 | 598335 | 226942 | TL983269 | Yes |
| CO4 5UE | 51.904847 | 0.882163 | 598364 | 226848 | TL983268 | Yes |
| CO4 5UF | 51.905132 | 0.882298 | 598372 | 226880 | TL983268 | Yes |
| CO4 5UG | 51.904459 | 0.882953 | 598420 | 226807 | TL984268 | Yes |
| CO4 5UH | 51.904878 | 0.883474 | 598454 | 226855 | TL984268 | Yes |
| CO4 5UJ | 51.904238 | 0.881325 | 598309 | 226778 | TL983267 | Yes |
| CO4 5UL | 51.904937 | 0.880323 | 598237 | 226853 | TL982268 | Yes |
| CO4 5UN | 51.905197 | 0.879627 | 598188 | 226880 | TL981268 | Yes |
| CO4 5UP | 51.923173 | 0.900241 | 599526 | 228935 | TL995289 | Yes |
| CO4 5UQ | 51.904402 | 0.882731 | 598405 | 226800 | TL984268 | Yes |
| CO4 5UR | 51.905741 | 0.899945 | 599583 | 226996 | TL995269 | Yes |
| CO4 5US | 51.905845 | 0.899385 | 599544 | 227006 | TL995270 | Yes |
| CO4 5UT | 51.907888 | 0.875161 | 597869 | 227167 | TL978271 | Yes |
| CO4 5UU | 51.908881 | 0.904626 | 599891 | 227358 | TL998273 | Yes |
| CO4 5UW | 51.905117 | 0.877746 | 598059 | 226866 | TL980268 | Yes |
| CO4 5UX | 51.909688 | 0.903631 | 599819 | 227445 | TL998274 | Yes |
| CO4 5UY | 51.903582 | 0.902539 | 599771 | 226763 | TL997267 | Yes |
| CO4 5UZ | 51.903736 | 0.901371 | 599690 | 226777 | TL996267 | Yes |
| CO4 5WA | 51.90288 | 0.902567 | 599776 | 226685 | TL997266 | Yes |
| CO4 5WB | 51.903973 | 0.903437 | 599831 | 226809 | TL998268 | Yes |
| CO4 5WD | 51.905156 | 0.903266 | 599814 | 226940 | TL998269 | Yes |
| CO4 5WE | 51.904843 | 0.903188 | 599810 | 226905 | TL998269 | Yes |
| CO4 5WF | 51.902341 | 0.904364 | 599902 | 226630 | TL999266 | Yes |
| CO4 5WG | 51.902708 | 0.901145 | 599679 | 226662 | TL996266 | Yes |
| CO4 5WH | 51.90154 | 0.90437 | 599906 | 226541 | TL999265 | Yes |
| CO4 5WJ | 51.902436 | 0.901244 | 599687 | 226632 | TL996266 | Yes |
| CO4 5WL | 51.901486 | 0.90364 | 599856 | 226533 | TL998265 | Yes |
| CO4 5WN | 51.904503 | 0.902759 | 599782 | 226866 | TL997268 | Yes |
| CO4 5WP | 51.904165 | 0.902213 | 599746 | 226827 | TL997268 | Yes |
| CO4 5WQ | 51.903147 | 0.900839 | 599656 | 226710 | TL996267 | Yes |
| CO4 5WR | 51.941854 | 0.940052 | 602179 | 231122 | TM021311 | Yes |
| CO4 5WS | 51.903026 | 0.899901 | 599592 | 226694 | TL995266 | Yes |
| CO4 5WT | 51.918683 | 0.904707 | 599853 | 228448 | TL998284 | Yes |
| CO4 5WU | 51.919587 | 0.905245 | 599886 | 228550 | TL998285 | Yes |
| CO4 5WW | 51.903846 | 0.902745 | 599784 | 226793 | TL997267 | Yes |
| CO4 5WX | 51.90294 | 0.875586 | 597920 | 226618 | TL979266 | Yes |
| CO4 5WY | 51.924942 | 0.908704 | 600100 | 229155 | TM001291 | Yes |
| CO4 5WZ | 51.919437 | 0.907301 | 600028 | 228539 | TM000285 | Yes |
| CO4 5XA | 51.919402 | 0.905423 | 599899 | 228530 | TL998285 | Yes |
| CO4 5XB | 51.924316 | 0.905304 | 599869 | 229076 | TL998290 | Yes |
| CO4 5XD | 51.923628 | 0.906234 | 599936 | 229002 | TL999290 | Yes |
| CO4 5XE | 51.912641 | 0.899503 | 599522 | 227762 | TL995277 | Yes |
| CO4 5XF | 51.948692 | 0.935638 | 601845 | 231870 | TM018318 | Yes |
| CO4 5XG | 51.902625 | 0.898683 | 599510 | 226646 | TL995266 | Yes |
| CO4 5XH | 51.907294 | 0.903738 | 599837 | 227179 | TL998271 | Yes |
| CO4 5XJ | 51.908071 | 0.903949 | 599848 | 227266 | TL998272 | Yes |
| CO4 5XL | 51.906971 | 0.894557 | 599207 | 227118 | TL992271 | Yes |
| CO4 5XN | 51.91815 | 0.904076 | 599812 | 228387 | TL998283 | Yes |
| CO4 5XP | 51.912084 | 0.890713 | 598920 | 227676 | TL989276 | Yes |
| CO4 5XQ | 51.920245 | 0.909186 | 600154 | 228634 | TM001286 | Yes |
| CO4 5XR | 51.906312 | 0.895009 | 599241 | 227046 | TL992270 | Yes |
| CO4 5XS | 51.920359 | 0.908553 | 600110 | 228645 | TM001286 | Yes |
| CO4 5XT | 51.906642 | 0.899523 | 599550 | 227095 | TL995270 | Yes |
| CO4 5XU | 51.903134 | 0.875016 | 597880 | 226638 | TL978266 | Yes |
| CO4 5XW | 51.904219 | 0.900399 | 599621 | 226828 | TL996268 | Yes |
| CO4 5XX | 51.919214 | 0.907607 | 600050 | 228515 | TM000285 | Yes |
| CO4 5XY | 51.911522 | 0.890909 | 598936 | 227614 | TL989276 | Yes |
| CO4 5XZ | 51.91984 | 0.905189 | 599881 | 228578 | TL998285 | Yes |
| CO4 5YA | 51.916375 | 0.905649 | 599928 | 228194 | TL999281 | Yes |
| CO4 5YB | 51.955045 | 0.955602 | 603188 | 232632 | TM031326 | Yes |
| CO4 5YD | 51.88953 | 0.916124 | 600768 | 225238 | TM007252 | No |
| CO4 5YE | 51.924877 | 0.917151 | 600681 | 229171 | TM006291 | Yes |
| CO4 5YF | 51.906309 | 0.883057 | 598419 | 227013 | TL984270 | Yes |
| CO4 5YG | 51.904322 | 0.885241 | 598578 | 226798 | TL985267 | Yes |
| CO4 5YH | 51.903834 | 0.885341 | 598587 | 226744 | TL985267 | Yes |
| CO4 5YJ | 51.902551 | 0.877146 | 598029 | 226579 | TL980265 | Yes |
| CO4 5YL | 51.903768 | 0.885089 | 598570 | 226736 | TL985267 | Yes |
| CO4 5YN | 51.955282 | 0.916928 | 600530 | 232551 | TM005325 | Yes |
| CO4 5YP | 51.903075 | 0.884376 | 598524 | 226657 | TL985266 | Yes |
| CO4 5YQ | 51.924541 | 0.916562 | 600642 | 229132 | TM006291 | Yes |
| CO4 5YR | 51.902423 | 0.884916 | 598564 | 226586 | TL985265 | Yes |
| CO4 5YS | 51.903466 | 0.885317 | 598587 | 226703 | TL985267 | Yes |
| CO4 5YT | 51.902788 | 0.884736 | 598550 | 226626 | TL985266 | Yes |
| CO4 5YU | 51.918647 | 0.905403 | 599901 | 228446 | TL999284 | Yes |
| CO4 5YW | 51.919624 | 0.903735 | 599782 | 228550 | TL997285 | Yes |
| CO4 5YX | 51.925407 | 0.89861 | 599404 | 229179 | TL994291 | Yes |
| CO4 5YZ | 51.927121 | 0.915173 | 600535 | 229415 | TM005294 | Yes |
| CO4 5ZA | 51.903928 | 0.896513 | 599355 | 226785 | TL993267 | Yes |
| CO4 5ZB | 51.903588 | 0.89716 | 599401 | 226749 | TL994267 | Yes |
| CO4 5ZD | 51.924567 | 0.912608 | 600370 | 229124 | TM003291 | Yes |
| CO4 5ZE | 51.909009 | 0.893249 | 599108 | 227341 | TL991273 | Yes |
| CO4 5ZF | 51.915167 | 0.891173 | 598938 | 228020 | TL989280 | Yes |
| CO4 5ZG | 51.922351 | 0.916013 | 600614 | 228887 | TM006288 | Yes |
| CO4 5ZH | 51.922358 | 0.917177 | 600694 | 228891 | TM006288 | Yes |
| CO4 5ZJ | 51.922976 | 0.916577 | 600650 | 228958 | TM006289 | Yes |
| CO4 5ZL | 51.92204 | 0.914407 | 600505 | 228848 | TM005288 | Yes |
| CO4 5ZN | 51.922552 | 0.914063 | 600479 | 228904 | TM004289 | Yes |
| CO4 5ZP | 51.919096 | 0.905461 | 599903 | 228496 | TL999284 | Yes |
| CO4 5ZQ | 51.922905 | 0.915089 | 600548 | 228946 | TM005289 | Yes |
| CO4 5ZR | 51.922861 | 0.91577 | 600595 | 228943 | TM005289 | Yes |
| CO4 5ZS | 51.941641 | 0.929109 | 601428 | 231068 | TM014310 | Yes |
| CO4 5ZT | 51.922677 | 0.912674 | 600383 | 228914 | TM003289 | Yes |
| CO4 5ZU | 51.903135 | 0.880454 | 598254 | 226653 | TL982266 | Yes |
| CO4 5ZW | 51.903112 | 0.881776 | 598345 | 226654 | TL983266 | Yes |
| CO4 5ZX | 51.903132 | 0.879131 | 598163 | 226649 | TL981266 | Yes |
| CO4 6AA | 51.916396 | 0.88798 | 598713 | 228148 | TL987281 | Yes |
| CO4 6AB | 51.912265 | 0.893967 | 599143 | 227705 | TL991277 | Yes |
| CO4 6AD | 51.916928 | 0.887185 | 598656 | 228205 | TL986282 | Yes |
| CO4 6AE | 51.917213 | 0.8862 | 598587 | 228234 | TL985282 | Yes |
| CO4 6AF | 51.91644 | 0.886921 | 598640 | 228150 | TL986281 | Yes |
| CO4 6AG | 51.916339 | 0.886274 | 598596 | 228137 | TL985281 | Yes |
| CO4 6AH | 51.916618 | 0.888823 | 598770 | 228175 | TL987281 | Yes |
| CO4 6AJ | 51.91779 | 0.887982 | 598707 | 228303 | TL987283 | Yes |
| CO4 6AL | 51.91936 | 0.901682 | 599642 | 228515 | TL996285 | Yes |
| CO4 6AN | 51.918255 | 0.889205 | 598789 | 228358 | TL987283 | Yes |
| CO4 6AP | 51.918563 | 0.888395 | 598732 | 228390 | TL987283 | Yes |
| CO4 6AQ | 51.91696 | 0.890314 | 598871 | 228217 | TL988282 | Yes |
| CO4 6AR | 51.917725 | 0.888807 | 598764 | 228298 | TL987282 | Yes |
| CO4 6AS | 51.917308 | 0.890045 | 598851 | 228255 | TL988282 | Yes |
| CO4 6AT | 51.921789 | 0.900573 | 599555 | 228782 | TL995287 | Yes |
| CO4 6AU | 51.917159 | 0.892828 | 599043 | 228246 | TL990282 | Yes |
| CO4 6AW | 51.915813 | 0.894865 | 599189 | 228102 | TL991281 | Yes |
| CO4 6AX | 51.915513 | 0.896489 | 599302 | 228073 | TL993280 | Yes |
| CO4 6AY | 51.917223 | 0.900453 | 599567 | 228274 | TL995282 | Yes |
| CO4 6AZ | 51.915753 | 0.884157 | 598453 | 228066 | TL984280 | Yes |
| CO4 6BA | 51.915768 | 0.899632 | 599517 | 228110 | TL995281 | Yes |
| CO4 6BB | 51.920147 | 0.898227 | 599401 | 228593 | TL994285 | Yes |
| CO4 6BD | 51.920202 | 0.897795 | 599371 | 228598 | TL993285 | Yes |
| CO4 6BE | 51.919953 | 0.895844 | 599238 | 228565 | TL992285 | Yes |
| CO4 6BF | 51.919851 | 0.897467 | 599350 | 228558 | TL993285 | Yes |
| CO4 6BG | 51.919704 | 0.895392 | 599208 | 228536 | TL992285 | Yes |
| CO4 6BH | 51.918585 | 0.894433 | 599147 | 228409 | TL991284 | Yes |
| CO4 6BJ | 51.919766 | 0.89909 | 599462 | 228553 | TL994285 | Yes |
| CO4 6BL | 51.918984 | 0.898312 | 599412 | 228464 | TL994284 | Yes |
| CO4 6BN | 51.918033 | 0.899327 | 599486 | 228361 | TL994283 | Yes |
| CO4 6BP | 51.916521 | 0.892045 | 598992 | 228173 | TL989281 | Yes |
| CO4 6BQ | 51.916358 | 0.894289 | 599147 | 228161 | TL991281 | Yes |
| CO4 6BR | 51.918891 | 0.896605 | 599295 | 228449 | TL992284 | Yes |
| CO4 6BS | 51.91953 | 0.893693 | 599092 | 228512 | TL990285 | Yes |
| CO4 6BT | 51.918387 | 0.896616 | 599298 | 228393 | TL992283 | Yes |
| CO4 6BU | 51.920114 | 0.900989 | 599591 | 228597 | TL995285 | Yes |
| CO4 6BW | 51.917763 | 0.898975 | 599463 | 228330 | TL994283 | Yes |
| CO4 6BX | 51.920488 | 0.899326 | 599475 | 228634 | TL994286 | Yes |
| CO4 6BY | 51.918074 | 0.897294 | 599346 | 228360 | TL993283 | Yes |
| CO4 6BZ | 51.917361 | 0.897393 | 599356 | 228281 | TL993282 | Yes |
| CO4 6DA | 51.920149 | 0.892293 | 598993 | 228577 | TL989285 | Yes |
| CO4 6DB | 51.92127 | 0.895318 | 599196 | 228710 | TL991287 | Yes |
| CO4 6DD | 51.920253 | 0.893536 | 599078 | 228592 | TL990285 | Yes |
| CO4 6DE | 51.921759 | 0.893721 | 599084 | 228760 | TL990287 | Yes |
| CO4 6DF | 51.921869 | 0.895124 | 599180 | 228776 | TL991287 | Yes |
| CO4 6DG | 51.920946 | 0.894614 | 599149 | 228672 | TL991286 | Yes |
| CO4 6DH | 51.92134 | 0.897257 | 599329 | 228723 | TL993287 | Yes |
| CO4 6DJ | 51.920841 | 0.892658 | 599015 | 228655 | TL990286 | Yes |
| CO4 6DL | 51.917394 | 0.881397 | 598256 | 228241 | TL982282 | Yes |
| CO4 6DN | 51.91771 | 0.881723 | 598277 | 228277 | TL982282 | Yes |
| CO4 6DP | 51.916339 | 0.88261 | 598344 | 228127 | TL983281 | Yes |
| CO4 6DQ | 51.917922 | 0.880762 | 598210 | 228298 | TL982282 | Yes |
| CO4 6DR | 51.918306 | 0.882372 | 598319 | 228345 | TL983283 | Yes |
| CO4 6DS | 51.918636 | 0.882117 | 598300 | 228381 | TL983283 | Yes |
| CO4 6DT | 51.901155 | 0.893718 | 599175 | 226469 | TL991264 | Yes |
| CO4 6DU | 51.92336 | 0.913795 | 600457 | 228993 | TM004289 | Yes |
| CO4 6DW | 51.924056 | 0.915076 | 600542 | 229074 | TM005290 | Yes |
| CO4 6DX | 51.923772 | 0.916018 | 600608 | 229045 | TM006290 | Yes |
| CO4 6DY | 51.923565 | 0.914943 | 600535 | 229019 | TM005290 | Yes |
| CO4 6DZ | 51.917363 | 0.884493 | 598469 | 228246 | TL984282 | Yes |
| CO4 6EA | 51.917056 | 0.884561 | 598475 | 228212 | TL984282 | Yes |
| CO4 6EB | 51.911868 | 0.899511 | 599526 | 227676 | TL995276 | Yes |
| CO4 6ED | 51.917881 | 0.887217 | 598654 | 228311 | TL986283 | Yes |
| CO4 6EE | 51.917808 | 0.885787 | 598556 | 228299 | TL985282 | Yes |
| CO4 6EF | 51.919002 | 0.887725 | 598684 | 228437 | TL986284 | Yes |
| CO4 6EG | 51.915254 | 0.881391 | 598265 | 228003 | TL982280 | Yes |
| CO4 6EH | 51.914551 | 0.882553 | 598348 | 227928 | TL983279 | Yes |
| CO4 6EJ | 51.914479 | 0.881443 | 598272 | 227917 | TL982279 | Yes |
| CO4 6EL | 51.913973 | 0.882254 | 598330 | 227863 | TL983278 | Yes |
| CO4 6EN | 51.914092 | 0.883643 | 598425 | 227880 | TL984278 | Yes |
| CO4 6EP | 51.914959 | 0.883888 | 598438 | 227977 | TL984279 | Yes |
| CO4 6EQ | 51.914744 | 0.882725 | 598359 | 227950 | TL983279 | Yes |
| CO4 6ER | 51.917882 | 0.884963 | 598499 | 228305 | TL984283 | Yes |
| CO4 6ES | 51.914256 | 0.88028 | 598193 | 227889 | TL981278 | Yes |