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 4HG | 51.914385 | 0.931012 | 601681 | 228043 | TM016280 | No |
| CO4 4HH | 51.910066 | 0.928535 | 601530 | 227556 | TM015275 | No |
| CO4 4HJ | 51.910053 | 0.927269 | 601443 | 227551 | TM014275 | No |
| CO4 4HL | 51.907654 | 0.925368 | 601323 | 227279 | TM013272 | No |
| CO4 4HN | 51.904896 | 0.924506 | 601276 | 226970 | TM012269 | No |
| CO4 4HP | 51.910317 | 0.928944 | 601557 | 227585 | TM015275 | No |
| CO4 4HQ | 51.913614 | 0.92945 | 601577 | 227953 | TM015279 | No |
| CO4 4HR | 51.914003 | 0.928268 | 601494 | 227993 | TM014279 | No |
| CO4 4HS | 51.914229 | 0.928225 | 601490 | 228018 | TM014280 | No |
| CO4 4HT | 51.919818 | 0.926639 | 601356 | 228635 | TM013286 | No |
| CO4 4HU | 51.912096 | 0.930456 | 601653 | 227787 | TM016277 | No |
| CO4 4HW | 51.902846 | 0.924125 | 601259 | 226741 | TM012267 | No |
| CO4 4HX | 51.91365 | 0.931255 | 601701 | 227962 | TM017279 | No |
| CO4 4HY | 51.912782 | 0.929992 | 601618 | 227862 | TM016278 | No |
| CO4 4HZ | 51.903403 | 0.937523 | 602178 | 226840 | TM021268 | No |
| CO4 4JA | 51.904431 | 0.938492 | 602240 | 226957 | TM022269 | No |
| CO4 4JB | 51.889519 | 0.916094 | 600766 | 225237 | TM007252 | No |
| CO4 4JD | 51.903075 | 0.938403 | 602240 | 226806 | TM022268 | No |
| CO4 4JE | 51.904152 | 0.93526 | 602019 | 226917 | TM020269 | No |
| CO4 4JF | 51.903658 | 0.935606 | 602045 | 226863 | TM020268 | No |
| CO4 4JG | 51.906846 | 0.933618 | 601894 | 227212 | TM018272 | No |
| CO4 4JH | 51.904818 | 0.934155 | 601940 | 226988 | TM019269 | No |
| CO4 4JJ | 51.903364 | 0.935122 | 602013 | 226829 | TM020268 | No |
| CO4 4JL | 51.902569 | 0.935971 | 602075 | 226743 | TM020267 | No |
| CO4 4JN | 51.902572 | 0.937294 | 602166 | 226747 | TM021267 | No |
| CO4 4JP | 51.908757 | 0.927301 | 601451 | 227407 | TM014274 | No |
| CO4 4JQ | 51.90829 | 0.931953 | 601773 | 227368 | TM017273 | No |
| CO4 4JR | 51.909183 | 0.927882 | 601489 | 227456 | TM014274 | No |
| CO4 4JS | 51.901927 | 0.937543 | 602186 | 226676 | TM021266 | No |
| CO4 4JT | 51.90634 | 0.933004 | 601854 | 227154 | TM018271 | No |
| CO4 4JU | 51.907746 | 0.914789 | 600595 | 227260 | TM005272 | No |
| CO4 4JW | 51.900704 | 0.936853 | 602144 | 226538 | TM021265 | No |
| CO4 4JX | 51.905497 | 0.93577 | 602048 | 227068 | TM020270 | No |
| CO4 4JY | 51.904403 | 0.936731 | 602119 | 226949 | TM021269 | No |
| CO4 4JZ | 51.889519 | 0.916094 | 600766 | 225237 | TM007252 | No |
| CO4 4LA | 51.903357 | 0.93467 | 601982 | 226827 | TM019268 | No |
| CO4 4LB | 51.903164 | 0.933407 | 601896 | 226802 | TM018268 | No |
| CO4 4LD | 51.904852 | 0.933532 | 601897 | 226990 | TM018269 | No |
| CO4 4LE | 51.90434 | 0.932045 | 601797 | 226929 | TM017269 | No |
| CO4 4LF | 51.90364 | 0.932348 | 601821 | 226852 | TM018268 | No |
| CO4 4LG | 51.903568 | 0.93198 | 601796 | 226843 | TM017268 | No |
| CO4 4LH | 51.903249 | 0.929633 | 601636 | 226801 | TM016268 | No |
| CO4 4LJ | 51.904131 | 0.931042 | 601729 | 226903 | TM017269 | No |
| CO4 4LL | 51.90509 | 0.931192 | 601735 | 227010 | TM017270 | No |
| CO4 4LN | 51.904184 | 0.929984 | 601656 | 226906 | TM016269 | No |
| CO4 4LP | 51.904645 | 0.929549 | 601624 | 226956 | TM016269 | No |
| CO4 4LQ | 51.903184 | 0.931141 | 601740 | 226798 | TM017267 | No |
| CO4 4LR | 51.907098 | 0.928909 | 601569 | 227227 | TM015272 | No |
| CO4 4LS | 51.905591 | 0.926586 | 601416 | 227053 | TM014270 | No |
| CO4 4LT | 51.90604 | 0.926994 | 601442 | 227104 | TM014271 | No |
| CO4 4LU | 51.907651 | 0.927288 | 601455 | 227284 | TM014272 | No |
| CO4 4LW | 51.919867 | 0.927894 | 601442 | 228644 | TM014286 | No |
| CO4 4LX | 51.906844 | 0.926842 | 601428 | 227193 | TM014271 | No |
| CO4 4LY | 51.889519 | 0.916094 | 600766 | 225237 | TM007252 | No |
| CO4 4LZ | 51.902948 | 0.929788 | 601648 | 226768 | TM016267 | No |
| CO4 4NA | 51.902889 | 0.931092 | 601738 | 226765 | TM017267 | No |
| CO4 4NB | 51.902979 | 0.92963 | 601637 | 226771 | TM016267 | No |
| CO4 4ND | 51.902498 | 0.93127 | 601752 | 226722 | TM017267 | No |
| CO4 4NE | 51.902482 | 0.929728 | 601646 | 226716 | TM016267 | No |
| CO4 4NF | 51.902757 | 0.928438 | 601556 | 226743 | TM015267 | No |
| CO4 4NG | 51.904147 | 0.928237 | 601536 | 226897 | TM015268 | No |
| CO4 4NH | 51.907096 | 0.931148 | 601723 | 227233 | TM017272 | No |
| CO4 4NJ | 51.90644 | 0.929695 | 601626 | 227156 | TM016271 | No |
| CO4 4NL | 51.906232 | 0.930467 | 601680 | 227135 | TM016271 | No |
| CO4 4NN | 51.906491 | 0.931981 | 601783 | 227168 | TM017271 | No |
| CO4 4NP | 51.90363 | 0.926968 | 601451 | 226836 | TM014268 | No |
| CO4 4NQ | 51.889519 | 0.916094 | 600766 | 225237 | TM007252 | No |
| CO4 4NR | 51.90524 | 0.92732 | 601468 | 227016 | TM014270 | No |
| CO4 4NS | 51.905214 | 0.926547 | 601415 | 227011 | TM014270 | No |
| CO4 4NT | 51.904624 | 0.92568 | 601358 | 226943 | TM013269 | No |
| CO4 4NU | 51.904419 | 0.926714 | 601430 | 226923 | TM014269 | No |
| CO4 4NW | 51.907268 | 0.930752 | 601695 | 227251 | TM016272 | No |
| CO4 4NX | 51.905466 | 0.927654 | 601490 | 227042 | TM014270 | No |
| CO4 4NY | 51.907149 | 0.926499 | 601403 | 227226 | TM014272 | No |
| CO4 4NZ | 51.908776 | 0.930865 | 601696 | 227419 | TM016274 | No |
| CO4 4PA | 51.903529 | 0.924882 | 601308 | 226819 | TM013268 | No |
| CO4 4PB | 51.91627 | 0.925361 | 601284 | 228237 | TM012282 | No |
| CO4 4PD | 51.917814 | 0.923295 | 601135 | 228403 | TM011284 | No |
| CO4 4PE | 51.919188 | 0.922308 | 601061 | 228553 | TM010285 | No |
| CO4 4PF | 51.920562 | 0.921306 | 600986 | 228703 | TM009287 | No |
| CO4 4PG | 51.902121 | 0.929792 | 601652 | 226676 | TM016266 | No |
| CO4 4PH | 51.901411 | 0.930473 | 601702 | 226599 | TM017265 | No |
| CO4 4PJ | 51.900953 | 0.931533 | 601777 | 226551 | TM017265 | No |
| CO4 4PL | 51.90186 | 0.931578 | 601776 | 226652 | TM017266 | No |
| CO4 4PN | 51.902344 | 0.932758 | 601855 | 226709 | TM018267 | No |
| CO4 4PP | 51.902131 | 0.934067 | 601946 | 226689 | TM019266 | No |
| CO4 4PQ | 51.901799 | 0.930789 | 601722 | 226643 | TM017266 | No |
| CO4 4PR | 51.901386 | 0.932565 | 601846 | 226602 | TM018266 | No |
| CO4 4PS | 51.901544 | 0.929129 | 601609 | 226610 | TM016266 | No |
| CO4 4PT | 51.900561 | 0.929589 | 601645 | 226502 | TM016265 | No |
| CO4 4PU | 51.915666 | 0.91744 | 600742 | 228148 | TM007281 | No |
| CO4 4PW | 51.902581 | 0.932235 | 601818 | 226734 | TM018267 | No |
| CO4 4PX | 51.900792 | 0.927903 | 601528 | 226523 | TM015265 | No |
| CO4 4PY | 51.901985 | 0.928387 | 601556 | 226657 | TM015266 | No |
| CO4 4PZ | 51.902159 | 0.926814 | 601447 | 226672 | TM014266 | No |
| CO4 4QA | 51.901284 | 0.925463 | 601358 | 226571 | TM013265 | No |
| CO4 4QB | 51.901879 | 0.925429 | 601353 | 226637 | TM013266 | No |
| CO4 4QD | 51.901055 | 0.927425 | 601494 | 226551 | TM014265 | No |
| CO4 4QE | 51.901043 | 0.926843 | 601454 | 226548 | TM014265 | No |
| CO4 4QF | 51.900913 | 0.924843 | 601317 | 226528 | TM013265 | No |
| CO4 4QG | 51.900462 | 0.926355 | 601423 | 226482 | TM014264 | No |
| CO4 4QH | 51.900336 | 0.924544 | 601299 | 226463 | TM012264 | No |
| CO4 4QJ | 51.902142 | 0.935071 | 602015 | 226693 | TM020266 | No |
| CO4 4QL | 51.900447 | 0.923315 | 601214 | 226472 | TM012264 | No |
| CO4 4QN | 51.901876 | 0.924091 | 601261 | 226633 | TM012266 | No |
| CO4 4QP | 51.920408 | 0.93075 | 601636 | 228712 | TM016287 | No |
| CO4 4QQ | 51.889519 | 0.916094 | 600766 | 225237 | TM007252 | No |
| CO4 4QR | 51.921247 | 0.931009 | 601650 | 228806 | TM016288 | No |
| CO4 4QS | 51.920914 | 0.929911 | 601576 | 228766 | TM015287 | No |
| CO4 4QT | 51.921115 | 0.928353 | 601468 | 228784 | TM014287 | No |
| CO4 4QU | 51.912539 | 0.919171 | 600875 | 227805 | TM008278 | No |
| CO4 4QW | 51.911067 | 0.930622 | 601669 | 227673 | TM016276 | No |
| CO4 4QX | 51.919444 | 0.923968 | 601174 | 228586 | TM011285 | No |
| CO4 4QY | 51.918509 | 0.927921 | 601450 | 228493 | TM014284 | No |
| CO4 4QZ | 51.912037 | 0.919807 | 600921 | 227751 | TM009277 | No |
| CO4 4RA | 51.908057 | 0.92871 | 601551 | 227333 | TM015273 | No |
| CO4 4RB | 51.912441 | 0.924894 | 601269 | 227810 | TM012278 | No |
| CO4 4RD | 51.91098 | 0.925076 | 601288 | 227648 | TM012276 | No |
| CO4 4RE | 51.91122 | 0.925891 | 601343 | 227677 | TM013276 | No |
| CO4 4RF | 51.911427 | 0.926995 | 601418 | 227703 | TM014277 | No |
| CO4 4RG | 51.913035 | 0.921632 | 601042 | 227867 | TM010278 | No |
| CO4 4RH | 51.912729 | 0.924549 | 601244 | 227841 | TM012278 | No |
| CO4 4RJ | 51.911779 | 0.919689 | 600914 | 227722 | TM009277 | No |
| CO4 4RL | 51.913805 | 0.922874 | 601124 | 227956 | TM011279 | No |
| CO4 4RN | 51.911541 | 0.922044 | 601077 | 227702 | TM010277 | No |
| CO4 4RP | 51.912482 | 0.921814 | 601057 | 227806 | TM010278 | No |
| CO4 4RQ | 51.90585 | 0.917603 | 600797 | 227057 | TM007270 | No |
| CO4 4RR | 51.913642 | 0.925089 | 601277 | 227944 | TM012279 | No |
| CO4 4RS | 51.910761 | 0.924465 | 601247 | 227622 | TM012276 | No |
| CO4 4RT | 51.910878 | 0.923731 | 601196 | 227633 | TM011276 | No |
| CO4 4RU | 51.913213 | 0.923505 | 601170 | 227892 | TM011278 | No |
| CO4 4RW | 51.911487 | 0.921313 | 601027 | 227694 | TM010276 | No |
| CO4 4RX | 51.906929 | 0.917993 | 600819 | 227178 | TM008271 | No |
| CO4 4RY | 51.906166 | 0.918278 | 600842 | 227094 | TM008270 | No |
| CO4 4RZ | 51.912215 | 0.925316 | 601299 | 227786 | TM012277 | No |
| CO4 4SA | 51.903319 | 0.922469 | 601143 | 226789 | TM011267 | No |
| CO4 4SB | 51.910724 | 0.917628 | 600777 | 227599 | TM007275 | No |
| CO4 4SD | 51.905854 | 0.920002 | 600962 | 227064 | TM009270 | No |
| CO4 4SE | 51.90681 | 0.916633 | 600726 | 227161 | TM007271 | No |
| CO4 4SF | 51.90664 | 0.915488 | 600648 | 227139 | TM006271 | No |
| CO4 4SG | 51.912699 | 0.9178 | 600780 | 227819 | TM007278 | No |
| CO4 4SH | 51.91283 | 0.916485 | 600689 | 227830 | TM006278 | No |
| CO4 4SJ | 51.912898 | 0.917391 | 600751 | 227840 | TM007278 | No |
| CO4 4SL | 51.911836 | 0.915214 | 600606 | 227716 | TM006277 | No |
| CO4 4SN | 51.911195 | 0.917877 | 600792 | 227652 | TM007276 | No |
| CO4 4SP | 51.907984 | 0.914993 | 600608 | 227287 | TM006272 | No |
| CO4 4SQ | 51.912559 | 0.915464 | 600620 | 227797 | TM006277 | No |
| CO4 4SR | 51.911087 | 0.918233 | 600817 | 227641 | TM008276 | No |
| CO4 4SS | 51.912966 | 0.913556 | 600487 | 227837 | TM004278 | No |
| CO4 4ST | 51.91156 | 0.912564 | 600425 | 227678 | TM004276 | No |
| CO4 4SU | 51.913188 | 0.913294 | 600468 | 227861 | TM004278 | No |
| CO4 4SW | 51.909934 | 0.917228 | 600753 | 227510 | TM007275 | No |
| CO4 4SX | 51.912031 | 0.913539 | 600490 | 227733 | TM004277 | No |
| CO4 4SY | 51.912195 | 0.914524 | 600557 | 227754 | TM005277 | No |
| CO4 4SZ | 51.913108 | 0.919775 | 600914 | 227870 | TM009278 | No |
| CO4 4TA | 51.920825 | 0.935287 | 601946 | 228771 | TM019287 | No |
| CO4 4TB | 51.919419 | 0.925334 | 601268 | 228587 | TM012285 | No |
| CO4 4TD | 51.919921 | 0.9337 | 601841 | 228666 | TM018286 | No |
| CO4 4TE | 51.889519 | 0.916094 | 600766 | 225237 | TM007252 | No |
| CO4 4TF | 51.920825 | 0.935287 | 601946 | 228771 | TM019287 | No |
| CO4 4TG | 51.920837 | 0.925455 | 601270 | 228745 | TM012287 | No |
| CO4 4TH | 51.908434 | 0.918221 | 600828 | 227346 | TM008273 | No |
| CO4 4TJ | 51.911652 | 0.917587 | 600770 | 227702 | TM007277 | No |
| CO4 4TL | 51.912837 | 0.911861 | 600371 | 227818 | TM003278 | No |
| CO4 4TN | 51.906214 | 0.922512 | 601133 | 227111 | TM011271 | No |
| CO4 4TP | 51.912399 | 0.911367 | 600339 | 227768 | TM003277 | No |
| CO4 4TQ | 51.907275 | 0.92325 | 601179 | 227231 | TM011272 | No |
| CO4 4TR | 51.914673 | 0.915441 | 600609 | 228032 | TM006280 | No |
| CO4 4TS | 51.914609 | 0.916935 | 600712 | 228029 | TM007280 | No |
| CO4 4TT | 51.915072 | 0.914943 | 600573 | 228075 | TM005280 | No |
| CO4 4TU | 51.91393 | 0.915669 | 600628 | 227950 | TM006279 | No |
| CO4 4TW | 51.906818 | 0.920298 | 600978 | 227172 | TM009271 | No |
| CO4 4TX | 51.912214 | 0.927526 | 601451 | 227792 | TM014277 | No |
| CO4 4TY | 51.911995 | 0.927294 | 601436 | 227767 | TM014277 | No |
| CO4 4TZ | 51.921477 | 0.928987 | 601510 | 228826 | TM015288 | No |
| CO4 4UA | 51.907275 | 0.923235 | 601178 | 227231 | TM011272 | No |
| CO4 4UB | 51.907275 | 0.923235 | 601178 | 227231 | TM011272 | No |
| CO4 4UD | 51.907275 | 0.92325 | 601179 | 227231 | TM011272 | No |
| CO4 4UE | 51.913146 | 0.91572 | 600635 | 227863 | TM006278 | No |
| CO4 4UF | 51.913436 | 0.917077 | 600727 | 227899 | TM007278 | No |
| CO4 4UG | 51.914272 | 0.915662 | 600626 | 227988 | TM006279 | No |
| CO4 4UH | 51.906141 | 0.916022 | 600687 | 227085 | TM006270 | No |
| CO4 4UJ | 51.906938 | 0.914358 | 600569 | 227169 | TM005271 | No |
| CO4 4UL | 51.907275 | 0.92325 | 601179 | 227231 | TM011272 | No |
| CO4 4UN | 51.910257 | 0.912537 | 600429 | 227533 | TM004275 | No |
| CO4 4UP | 51.909971 | 0.912097 | 600400 | 227500 | TM003275 | No |
| CO4 4UQ | 51.913901 | 0.917543 | 600757 | 227952 | TM007279 | No |
| CO4 4UR | 51.908764 | 0.913619 | 600510 | 227370 | TM005273 | No |
| CO4 4US | 51.908764 | 0.913619 | 600510 | 227370 | TM005273 | No |
| CO4 4UT | 51.914317 | 0.918196 | 600800 | 228000 | TM008280 | No |
| CO4 4UU | 51.914317 | 0.918196 | 600800 | 228000 | TM008280 | No |
| CO4 4UW | 51.909791 | 0.913205 | 600477 | 227483 | TM004274 | No |
| CO4 4UX | 51.913917 | 0.920904 | 600988 | 227963 | TM009279 | No |
| CO4 4UY | 51.889519 | 0.916094 | 600766 | 225237 | TM007252 | No |
| CO4 4UZ | 51.889519 | 0.916094 | 600766 | 225237 | TM007252 | No |
| CO4 4WA | 51.907275 | 0.92325 | 601179 | 227231 | TM011272 | No |
| CO4 4WB | 51.889519 | 0.916094 | 600766 | 225237 | TM007252 | No |
| CO4 4WD | 51.889519 | 0.916094 | 600766 | 225237 | TM007252 | No |
| CO4 4WE | 51.914317 | 0.918196 | 600800 | 228000 | TM008280 | No |
| CO4 4WF | 51.914317 | 0.918196 | 600800 | 228000 | TM008280 | No |