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 3RU | 51.892955 | 0.931405 | 601804 | 225661 | TM018256 | Yes |
| CO4 3RW | 51.891621 | 0.929705 | 601693 | 225508 | TM016255 | Yes |
| CO4 3RX | 51.889765 | 0.937767 | 602256 | 225324 | TM022253 | Yes |
| CO4 3RY | 51.890072 | 0.937743 | 602253 | 225358 | TM022253 | Yes |
| CO4 3RZ | 51.892247 | 0.931664 | 601825 | 225583 | TM018255 | Yes |
| CO4 3SA | 51.89149 | 0.931368 | 601808 | 225498 | TM018254 | Yes |
| CO4 3SB | 51.890848 | 0.931151 | 601796 | 225426 | TM017254 | Yes |
| CO4 3SD | 51.891251 | 0.930509 | 601750 | 225469 | TM017254 | Yes |
| CO4 3SE | 51.887941 | 0.954231 | 603397 | 225167 | TM033251 | Yes |
| CO4 3SF | 51.89172 | 0.936586 | 602166 | 225538 | TM021255 | No |
| CO4 3SG | 51.87944 | 0.951073 | 603218 | 224213 | TM032242 | Yes |
| CO4 3SH | 51.889751 | 0.941211 | 602493 | 225332 | TM024253 | Yes |
| CO4 3SJ | 51.889044 | 0.941077 | 602487 | 225253 | TM024252 | Yes |
| CO4 3SL | 51.888908 | 0.940749 | 602465 | 225237 | TM024252 | Yes |
| CO4 3SN | 51.88968 | 0.940087 | 602416 | 225321 | TM024253 | Yes |
| CO4 3SP | 51.889387 | 0.945344 | 602779 | 225303 | TM027253 | Yes |
| CO4 3SQ | 51.87681 | 0.946585 | 602921 | 223908 | TM029239 | Yes |
| CO4 3SR | 51.890631 | 0.944509 | 602716 | 225439 | TM027254 | Yes |
| CO4 3SS | 51.891536 | 0.943915 | 602671 | 225538 | TM026255 | Yes |
| CO4 3ST | 51.89086 | 0.945789 | 602803 | 225468 | TM028254 | Yes |
| CO4 3SU | 51.891302 | 0.945018 | 602748 | 225515 | TM027255 | Yes |
| CO4 3SW | 51.890331 | 0.942833 | 602602 | 225401 | TM026254 | No |
| CO4 3SX | 51.890472 | 0.946563 | 602858 | 225427 | TM028254 | Yes |
| CO4 3SY | 51.88953 | 0.916124 | 600768 | 225238 | TM007252 | No |
| CO4 3SZ | 51.889979 | 0.944321 | 602706 | 225366 | TM027253 | Yes |
| CO4 3TA | 51.888055 | 0.941768 | 602539 | 225145 | TM025251 | Yes |
| CO4 3TB | 51.888924 | 0.946941 | 602891 | 225256 | TM028252 | Yes |
| CO4 3TD | 51.889481 | 0.94769 | 602940 | 225320 | TM029253 | Yes |
| CO4 3TE | 51.887741 | 0.94246 | 602588 | 225112 | TM025251 | Yes |
| CO4 3TF | 51.885999 | 0.942012 | 602565 | 224917 | TM025249 | Yes |
| CO4 3TG | 51.888635 | 0.941603 | 602525 | 225209 | TM025252 | Yes |
| CO4 3TH | 51.88933 | 0.944744 | 602738 | 225295 | TM027252 | Yes |
| CO4 3TJ | 51.886983 | 0.944024 | 602699 | 225032 | TM026250 | Yes |
| CO4 3TL | 51.888029 | 0.946069 | 602835 | 225154 | TM028251 | Yes |
| CO4 3TN | 51.887775 | 0.945064 | 602767 | 225123 | TM027251 | Yes |
| CO4 3TP | 51.888466 | 0.944775 | 602744 | 225199 | TM027251 | Yes |
| CO4 3TQ | 51.8946 | 0.938998 | 602319 | 225865 | TM023258 | No |
| CO4 3TR | 51.887528 | 0.943812 | 602682 | 225092 | TM026250 | Yes |
| CO4 3TS | 51.889701 | 0.94503 | 602756 | 225337 | TM027253 | Yes |
| CO4 3TT | 51.889447 | 0.943313 | 602639 | 225304 | TM026253 | Yes |
| CO4 3TU | 51.889818 | 0.946084 | 602828 | 225353 | TM028253 | Yes |
| CO4 3TW | 51.885833 | 0.941434 | 602526 | 224897 | TM025248 | Yes |
| CO4 3TX | 51.890713 | 0.949122 | 603033 | 225461 | TM030254 | Yes |
| CO4 3TY | 51.891144 | 0.948453 | 602985 | 225507 | TM029255 | Yes |
| CO4 3TZ | 51.886464 | 0.941737 | 602544 | 224968 | TM025249 | Yes |
| CO4 3UA | 51.881574 | 0.949541 | 603103 | 224446 | TM031244 | Yes |
| CO4 3UB | 51.88953 | 0.916124 | 600768 | 225238 | TM007252 | No |
| CO4 3UD | 51.89172 | 0.936586 | 602166 | 225538 | TM021255 | No |
| CO4 3UE | 51.884227 | 0.935167 | 602102 | 224701 | TM021247 | No |
| CO4 3UF | 51.892485 | 0.944093 | 602679 | 225644 | TM026256 | No |
| CO4 3UG | 51.892485 | 0.944093 | 602679 | 225644 | TM026256 | Yes |
| CO4 3UH | 51.892063 | 0.944414 | 602703 | 225598 | TM027255 | Yes |
| CO4 3UJ | 51.884271 | 0.934502 | 602056 | 224704 | TM020247 | Yes |
| CO4 3UL | 51.883486 | 0.935322 | 602116 | 224619 | TM021246 | Yes |
| CO4 3UN | 51.883418 | 0.936248 | 602180 | 224614 | TM021246 | Yes |
| CO4 3UP | 51.889915 | 0.949056 | 603032 | 225372 | TM030253 | Yes |
| CO4 3UQ | 51.89172 | 0.936586 | 602166 | 225538 | TM021255 | No |
| CO4 3UR | 51.885511 | 0.934161 | 602027 | 224841 | TM020248 | Yes |
| CO4 3US | 51.885325 | 0.936213 | 602169 | 224826 | TM021248 | Yes |
| CO4 3UT | 51.88584 | 0.937947 | 602286 | 224888 | TM022248 | Yes |
| CO4 3UU | 51.889302 | 0.948754 | 603014 | 225303 | TM030253 | Yes |
| CO4 3UW | 51.884762 | 0.934635 | 602063 | 224759 | TM020247 | Yes |
| CO4 3UX | 51.900538 | 0.939299 | 602313 | 226526 | TM023265 | Yes |
| CO4 3UY | 51.900353 | 0.940217 | 602377 | 226508 | TM023265 | Yes |
| CO4 3UZ | 51.899372 | 0.941665 | 602481 | 226403 | TM024264 | Yes |
| CO4 3WA | 51.876726 | 0.946695 | 602929 | 223899 | TM029238 | No |
| CO4 3WB | 51.883133 | 0.931419 | 601849 | 224569 | TM018245 | No |
| CO4 3WD | 51.88953 | 0.916124 | 600768 | 225238 | TM007252 | No |
| CO4 3WE | 51.88953 | 0.916124 | 600768 | 225238 | TM007252 | No |
| CO4 3WF | 51.88953 | 0.916124 | 600768 | 225238 | TM007252 | No |
| CO4 3WG | 51.88953 | 0.916124 | 600768 | 225238 | TM007252 | No |
| CO4 3WH | 51.88953 | 0.916124 | 600768 | 225238 | TM007252 | No |
| CO4 3WJ | 51.891772 | 0.921124 | 601102 | 225501 | TM011255 | No |
| CO4 3WL | 51.88953 | 0.916124 | 600768 | 225238 | TM007252 | No |
| CO4 3WN | 51.89172 | 0.936586 | 602166 | 225538 | TM021255 | No |
| CO4 3WP | 51.892132 | 0.921831 | 601149 | 225543 | TM011255 | Yes |
| CO4 3WQ | 51.88953 | 0.916124 | 600768 | 225238 | TM007252 | No |
| CO4 3WR | 51.89172 | 0.936586 | 602166 | 225538 | TM021255 | No |
| CO4 3WS | 51.88953 | 0.916124 | 600768 | 225238 | TM007252 | No |
| CO4 3WT | 51.88953 | 0.916124 | 600768 | 225238 | TM007252 | No |
| CO4 3WU | 51.88953 | 0.916124 | 600768 | 225238 | TM007252 | No |
| CO4 3WW | 51.88953 | 0.916124 | 600768 | 225238 | TM007252 | No |
| CO4 3WX | 51.88953 | 0.916124 | 600768 | 225238 | TM007252 | No |
| CO4 3WY | 51.88953 | 0.916124 | 600768 | 225238 | TM007252 | No |
| CO4 3WZ | 51.879802 | 0.936259 | 602197 | 224212 | TM021242 | Yes |
| CO4 3XA | 51.887861 | 0.931567 | 601838 | 225095 | TM018250 | Yes |
| CO4 3XB | 51.889935 | 0.937458 | 602234 | 225342 | TM022253 | Yes |
| CO4 3XD | 51.887452 | 0.930291 | 601752 | 225046 | TM017250 | Yes |
| CO4 3XE | 51.885953 | 0.932693 | 601924 | 224886 | TM019248 | Yes |
| CO4 3XF | 51.885226 | 0.932965 | 601946 | 224806 | TM019248 | Yes |
| CO4 3XG | 51.886239 | 0.935647 | 602126 | 224926 | TM021249 | Yes |
| CO4 3XH | 51.887651 | 0.932382 | 601895 | 225074 | TM018250 | Yes |
| CO4 3XJ | 51.880141 | 0.93602 | 602179 | 224249 | TM021242 | Yes |
| CO4 3XL | 51.88551 | 0.936021 | 602155 | 224846 | TM021248 | Yes |
| CO4 3XN | 51.886438 | 0.935936 | 602145 | 224949 | TM021249 | Yes |
| CO4 3XP | 51.88629 | 0.937569 | 602258 | 224937 | TM022249 | Yes |
| CO4 3XQ | 51.885731 | 0.934728 | 602065 | 224867 | TM020248 | Yes |
| CO4 3XR | 51.887611 | 0.935432 | 602105 | 225078 | TM021250 | Yes |
| CO4 3XS | 51.891766 | 0.949453 | 603051 | 225579 | TM030255 | Yes |
| CO4 3XT | 51.886481 | 0.93998 | 602423 | 224965 | TM024249 | Yes |
| CO4 3XU | 51.887406 | 0.940767 | 602473 | 225070 | TM024250 | Yes |
| CO4 3XW | 51.887273 | 0.934581 | 602048 | 225038 | TM020250 | Yes |
| CO4 3XX | 51.887777 | 0.938887 | 602342 | 225106 | TM023251 | Yes |
| CO4 3XY | 51.887472 | 0.939913 | 602414 | 225075 | TM024250 | Yes |
| CO4 3XZ | 51.886721 | 0.939036 | 602357 | 224989 | TM023249 | Yes |
| CO4 3YA | 51.887432 | 0.936844 | 602203 | 225062 | TM022250 | Yes |
| CO4 3YB | 51.888566 | 0.936816 | 602196 | 225188 | TM021251 | Yes |
| CO4 3YD | 51.88788 | 0.937629 | 602255 | 225114 | TM022251 | Yes |
| CO4 3YE | 51.88806 | 0.938702 | 602328 | 225137 | TM023251 | Yes |
| CO4 3YF | 51.888544 | 0.939867 | 602406 | 225194 | TM024251 | Yes |
| CO4 3YG | 51.889364 | 0.939078 | 602348 | 225283 | TM023252 | Yes |
| CO4 3YH | 51.888509 | 0.938397 | 602305 | 225186 | TM023251 | Yes |
| CO4 3YJ | 51.886405 | 0.940498 | 602459 | 224958 | TM024249 | Yes |
| CO4 3YL | 51.885553 | 0.940776 | 602482 | 224864 | TM024248 | Yes |
| CO4 3YN | 51.898975 | 0.939197 | 602313 | 226352 | TM023263 | Yes |
| CO4 3YP | 51.885069 | 0.938201 | 602307 | 224803 | TM023248 | Yes |
| CO4 3YQ | 51.888781 | 0.937572 | 602247 | 225214 | TM022252 | Yes |
| CO4 3YR | 51.884708 | 0.938963 | 602361 | 224765 | TM023247 | Yes |
| CO4 3YS | 51.884832 | 0.936863 | 602216 | 224773 | TM022247 | Yes |
| CO4 3YT | 51.884379 | 0.937372 | 602253 | 224724 | TM022247 | Yes |
| CO4 3YU | 51.884043 | 0.937873 | 602289 | 224688 | TM022246 | Yes |
| CO4 3YW | 51.898924 | 0.93979 | 602354 | 226348 | TM023263 | Yes |
| CO4 3YX | 51.884487 | 0.936667 | 602204 | 224734 | TM022247 | Yes |
| CO4 3YY | 51.884379 | 0.935933 | 602154 | 224720 | TM021247 | Yes |
| CO4 3YZ | 51.884584 | 0.935292 | 602109 | 224741 | TM021247 | Yes |
| CO4 3ZA | 51.87954 | 0.936649 | 602225 | 224184 | TM022241 | Yes |
| CO4 3ZB | 51.880499 | 0.935375 | 602133 | 224287 | TM021242 | Yes |
| CO4 3ZD | 51.886757 | 0.932193 | 601886 | 224974 | TM018249 | Yes |
| CO4 3ZE | 51.878945 | 0.93709 | 602258 | 224119 | TM022241 | Yes |
| CO4 3ZF | 51.878658 | 0.936315 | 602206 | 224085 | TM022240 | Yes |
| CO4 3ZG | 51.879155 | 0.93658 | 602222 | 224141 | TM022241 | Yes |
| CO4 3ZH | 51.879571 | 0.937581 | 602289 | 224190 | TM022241 | Yes |
| CO4 3ZJ | 51.878929 | 0.935926 | 602178 | 224114 | TM021241 | Yes |
| CO4 3ZL | 51.880464 | 0.942159 | 602600 | 224302 | TM025243 | Yes |
| CO4 3ZN | 51.888571 | 0.928663 | 601635 | 225166 | TM016251 | Yes |
| CO4 3ZP | 51.886122 | 0.953952 | 603386 | 224964 | TM033249 | Yes |
| CO4 3ZQ | 51.878493 | 0.942204 | 602612 | 224083 | TM026240 | Yes |
| CO4 3ZR | 51.880837 | 0.936603 | 602216 | 224328 | TM022243 | Yes |
| CO4 3ZS | 51.87895 | 0.940127 | 602467 | 224128 | TM024241 | Yes |
| CO4 3ZT | 51.878827 | 0.93964 | 602434 | 224113 | TM024241 | Yes |
| CO4 3ZU | 51.880397 | 0.936923 | 602240 | 224280 | TM022242 | Yes |
| CO4 4AA | 51.894506 | 0.917856 | 600865 | 225796 | TM008257 | No |
| CO4 4AB | 51.895272 | 0.917078 | 600808 | 225879 | TM008258 | No |
| CO4 4AD | 51.894574 | 0.916945 | 600802 | 225801 | TM008258 | No |
| CO4 4AE | 51.895756 | 0.918214 | 600884 | 225936 | TM008259 | No |
| CO4 4AF | 51.896663 | 0.918636 | 600909 | 226038 | TM009260 | No |
| CO4 4AG | 51.896827 | 0.920362 | 601027 | 226061 | TM010260 | No |
| CO4 4AH | 51.896258 | 0.922259 | 601160 | 226003 | TM011260 | No |
| CO4 4AJ | 51.896115 | 0.920781 | 601059 | 225983 | TM010259 | No |
| CO4 4AL | 51.897727 | 0.91888 | 600921 | 226157 | TM009261 | No |
| CO4 4AN | 51.898082 | 0.917289 | 600810 | 226192 | TM008261 | No |
| CO4 4AP | 51.896251 | 0.916749 | 600781 | 225987 | TM007259 | No |
| CO4 4AQ | 51.897343 | 0.920599 | 601041 | 226119 | TM010261 | No |
| CO4 4AR | 51.896686 | 0.917358 | 600821 | 226037 | TM008260 | No |
| CO4 4AS | 51.897493 | 0.915986 | 600723 | 226123 | TM007261 | No |
| CO4 4AT | 51.897538 | 0.917443 | 600823 | 226132 | TM008261 | No |
| CO4 4AU | 51.898349 | 0.915562 | 600690 | 226217 | TM006262 | No |
| CO4 4AW | 51.897502 | 0.917833 | 600850 | 226129 | TM008261 | No |
| CO4 4AX | 51.898778 | 0.918206 | 600870 | 226272 | TM008262 | No |
| CO4 4AY | 51.898445 | 0.919682 | 600973 | 226239 | TM009262 | No |
| CO4 4AZ | 51.88953 | 0.916124 | 600768 | 225238 | TM007252 | No |
| CO4 4BA | 51.90943 | 0.925674 | 601336 | 227477 | TM013274 | No |
| CO4 4BB | 51.910609 | 0.918756 | 600855 | 227589 | TM008275 | No |
| CO4 4BD | 51.909908 | 0.924178 | 601231 | 227526 | TM012275 | No |
| CO4 4BE | 51.909021 | 0.92367 | 601200 | 227426 | TM012274 | No |
| CO4 4BG | 51.894901 | 0.91935 | 600966 | 225844 | TM009258 | No |
| CO4 4BH | 51.894538 | 0.922001 | 601150 | 225811 | TM011258 | No |
| CO4 4BJ | 51.895064 | 0.921105 | 601086 | 225867 | TM010258 | No |
| CO4 4BL | 51.895938 | 0.91997 | 601004 | 225961 | TM010259 | No |
| CO4 4BN | 51.895227 | 0.919619 | 600983 | 225881 | TM009258 | No |
| CO4 4BP | 51.895896 | 0.924183 | 601294 | 225968 | TM012259 | No |
| CO4 4BQ | 51.894513 | 0.920822 | 601069 | 225805 | TM010258 | No |
| CO4 4BS | 51.894322 | 0.923078 | 601225 | 225790 | TM012257 | No |
| CO4 4BT | 51.893923 | 0.923604 | 601263 | 225747 | TM012257 | No |
| CO4 4BU | 51.894495 | 0.924833 | 601345 | 225814 | TM013258 | No |
| CO4 4BW | 51.895439 | 0.923732 | 601265 | 225916 | TM012259 | No |
| CO4 4BX | 51.895027 | 0.926205 | 601437 | 225877 | TM014258 | No |
| CO4 4BY | 51.895554 | 0.925629 | 601395 | 225934 | TM013259 | No |
| CO4 4BZ | 51.896773 | 0.925781 | 601400 | 226070 | TM014260 | No |
| CO4 4DA | 51.896908 | 0.924002 | 601277 | 226080 | TM012260 | No |
| CO4 4DB | 51.897416 | 0.922377 | 601163 | 226132 | TM011261 | No |
| CO4 4DD | 51.897986 | 0.92115 | 601076 | 226192 | TM010261 | No |
| CO4 4DE | 51.898165 | 0.922281 | 601153 | 226215 | TM011262 | No |
| CO4 4DF | 51.898841 | 0.922586 | 601171 | 226291 | TM011262 | No |
| CO4 4DG | 51.898955 | 0.924484 | 601301 | 226309 | TM013263 | No |
| CO4 4DH | 51.899513 | 0.927006 | 601472 | 226378 | TM014263 | No |
| CO4 4DJ | 51.89872 | 0.927448 | 601506 | 226291 | TM015262 | No |
| CO4 4DL | 51.898355 | 0.926204 | 601422 | 226247 | TM014262 | No |
| CO4 4DN | 51.907286 | 0.923281 | 601181 | 227232 | TM011272 | No |
| CO4 4DP | 51.897723 | 0.927035 | 601482 | 226179 | TM014261 | No |
| CO4 4DQ | 51.899171 | 0.926286 | 601424 | 226338 | TM014263 | No |
| CO4 4DR | 51.898 | 0.928158 | 601558 | 226213 | TM015262 | No |
| CO4 4DS | 51.897459 | 0.925709 | 601392 | 226146 | TM013261 | No |
| CO4 4DT | 51.897105 | 0.925119 | 601353 | 226105 | TM013261 | No |
| CO4 4DU | 51.897315 | 0.926776 | 601466 | 226133 | TM014261 | No |
| CO4 4DW | 51.907437 | 0.923363 | 601186 | 227249 | TM011272 | No |
| CO4 4DX | 51.895762 | 0.927401 | 601516 | 225962 | TM015259 | No |
| CO4 4DY | 51.896376 | 0.926569 | 601456 | 226028 | TM014260 | No |
| CO4 4DZ | 51.893463 | 0.922571 | 601194 | 225693 | TM011256 | No |
| CO4 4EA | 51.894762 | 0.920969 | 601078 | 225833 | TM010258 | No |