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? |
|---|---|---|---|---|---|---|
| CO3 4QP | 51.88075 | 0.870563 | 597672 | 224137 | TL976241 | Yes |
| CO3 4QQ | 51.881829 | 0.86649 | 597387 | 224246 | TL973242 | Yes |
| CO3 4QR | 51.881014 | 0.872251 | 597787 | 224171 | TL977241 | Yes |
| CO3 4QS | 51.881434 | 0.871624 | 597742 | 224216 | TL977242 | Yes |
| CO3 4QT | 51.88031 | 0.872003 | 597773 | 224092 | TL977240 | Yes |
| CO3 4QW | 51.882509 | 0.868496 | 597522 | 224327 | TL975243 | Yes |
| CO3 4QX | 51.872106 | 0.85913 | 596923 | 223145 | TL969231 | Yes |
| CO3 4QZ | 51.870028 | 0.854335 | 596602 | 222901 | TL966229 | No |
| CO3 4RA | 51.877861 | 0.872094 | 597790 | 223820 | TL977238 | Yes |
| CO3 4RB | 51.876587 | 0.869397 | 597610 | 223671 | TL976236 | Yes |
| CO3 4RD | 51.876267 | 0.867764 | 597499 | 223631 | TL974236 | Yes |
| CO3 4RE | 51.875861 | 0.867447 | 597479 | 223585 | TL974235 | Yes |
| CO3 4RF | 51.875385 | 0.866676 | 597428 | 223530 | TL974235 | Yes |
| CO3 4RG | 51.874738 | 0.864819 | 597303 | 223453 | TL973234 | Yes |
| CO3 4RH | 51.873326 | 0.861881 | 597107 | 223288 | TL971232 | Yes |
| CO3 4RJ | 51.87407 | 0.863425 | 597210 | 223375 | TL972233 | Yes |
| CO3 4RL | 51.871292 | 0.859326 | 596940 | 223055 | TL969230 | Yes |
| CO3 4RN | 51.871315 | 0.858019 | 596850 | 223054 | TL968230 | Yes |
| CO3 4RP | 51.871802 | 0.860201 | 596998 | 223114 | TL969231 | Yes |
| CO3 4RQ | 51.874159 | 0.862733 | 597162 | 223383 | TL971233 | Yes |
| CO3 4RR | 51.88953 | 0.916124 | 600768 | 225238 | TM007252 | No |
| CO3 4RS | 51.871324 | 0.85802 | 596850 | 223055 | TL968230 | No |
| CO3 4RT | 51.874654 | 0.86384 | 597236 | 223441 | TL972234 | Yes |
| CO3 4RU | 51.875541 | 0.868415 | 597547 | 223552 | TL975235 | Yes |
| CO3 4RW | 51.871499 | 0.860457 | 597017 | 223081 | TL970230 | Yes |
| CO3 4RX | 51.877415 | 0.872705 | 597834 | 223772 | TL978237 | Yes |
| CO3 4RY | 51.876131 | 0.870022 | 597655 | 223622 | TL976236 | Yes |
| CO3 4RZ | 51.874519 | 0.865677 | 597363 | 223431 | TL973234 | Yes |
| CO3 4SA | 51.873076 | 0.862548 | 597154 | 223262 | TL971232 | Yes |
| CO3 4SB | 51.875687 | 0.865373 | 597337 | 223560 | TL973235 | Yes |
| CO3 4SD | 51.876651 | 0.863095 | 597176 | 223661 | TL971236 | Yes |
| CO3 4SE | 51.877064 | 0.864589 | 597277 | 223711 | TL972237 | Yes |
| CO3 4SF | 51.877832 | 0.862952 | 597161 | 223792 | TL971237 | Yes |
| CO3 4SG | 51.878331 | 0.862402 | 597121 | 223846 | TL971238 | Yes |
| CO3 4SH | 51.87975 | 0.863248 | 597173 | 224006 | TL971240 | Yes |
| CO3 4SJ | 51.878968 | 0.859914 | 596947 | 223910 | TL969239 | Yes |
| CO3 4SL | 51.876876 | 0.862339 | 597123 | 223684 | TL971236 | Yes |
| CO3 4SN | 51.876096 | 0.862246 | 597120 | 223597 | TL971235 | Yes |
| CO3 4SP | 51.877318 | 0.861161 | 597040 | 223730 | TL970237 | Yes |
| CO3 4SQ | 51.879234 | 0.862256 | 597107 | 223946 | TL971239 | Yes |
| CO3 4SR | 51.875088 | 0.860787 | 597024 | 223481 | TL970234 | Yes |
| CO3 4SS | 51.874136 | 0.860378 | 597000 | 223374 | TL969233 | Yes |
| CO3 4ST | 51.874911 | 0.861778 | 597093 | 223464 | TL970234 | Yes |
| CO3 4SU | 51.875434 | 0.862451 | 597137 | 223524 | TL971235 | Yes |
| CO3 4SW | 51.877788 | 0.86183 | 597084 | 223784 | TL970237 | Yes |
| CO3 4SX | 51.874671 | 0.862025 | 597111 | 223438 | TL971234 | Yes |
| CO3 4SY | 51.88126 | 0.862545 | 597118 | 224172 | TL971241 | No |
| CO3 4SZ | 51.875877 | 0.863482 | 597206 | 223576 | TL972235 | Yes |
| CO3 4TA | 51.87586 | 0.86675 | 597431 | 223583 | TL974235 | Yes |
| CO3 4TB | 51.874642 | 0.865801 | 597371 | 223445 | TL973234 | Yes |
| CO3 4TD | 51.87809 | 0.860498 | 596991 | 223814 | TL969238 | Yes |
| CO3 4TG | 51.881459 | 0.862848 | 597138 | 224195 | TL971241 | No |
| CO3 4WA | 51.87809 | 0.860498 | 596991 | 223814 | TL969238 | No |
| CO3 4WB | 51.88953 | 0.916124 | 600768 | 225238 | TM007252 | No |
| CO3 4WD | 51.88953 | 0.916124 | 600768 | 225238 | TM007252 | No |
| CO3 4WJ | 51.88953 | 0.916124 | 600768 | 225238 | TM007252 | No |
| CO3 4WP | 51.88953 | 0.916124 | 600768 | 225238 | TM007252 | No |
| CO3 4WY | 51.88953 | 0.916124 | 600768 | 225238 | TM007252 | No |
| CO3 4WZ | 51.88953 | 0.916124 | 600768 | 225238 | TM007252 | No |
| CO3 4XL | 51.88953 | 0.916124 | 600768 | 225238 | TM007252 | No |
| CO3 4YB | 51.88953 | 0.916124 | 600768 | 225238 | TM007252 | No |
| CO3 4YF | 51.88953 | 0.916124 | 600768 | 225238 | TM007252 | No |
| CO3 4YH | 51.88953 | 0.916124 | 600768 | 225238 | TM007252 | No |
| CO3 4YQ | 51.88953 | 0.916124 | 600768 | 225238 | TM007252 | No |
| CO3 5AA | 51.890453 | 0.853246 | 596438 | 225169 | TL964251 | No |
| CO3 5AB | 51.890664 | 0.85121 | 596297 | 225187 | TL962251 | No |
| CO3 5AD | 51.891096 | 0.848243 | 596091 | 225227 | TL960252 | No |
| CO3 5AE | 51.890364 | 0.850958 | 596281 | 225153 | TL962251 | No |
| CO3 5AF | 51.890746 | 0.848192 | 596089 | 225188 | TL960251 | No |
| CO3 5AG | 51.890307 | 0.84703 | 596011 | 225136 | TL960251 | No |
| CO3 5AH | 51.889429 | 0.846858 | 596003 | 225038 | TL960250 | No |
| CO3 5AJ | 51.889889 | 0.851655 | 596331 | 225102 | TL963251 | No |
| CO3 5AL | 51.889762 | 0.850193 | 596231 | 225084 | TL962250 | No |
| CO3 5AN | 51.890081 | 0.848556 | 596117 | 225115 | TL961251 | No |
| CO3 5AP | 51.888104 | 0.851818 | 596350 | 224904 | TL963249 | No |
| CO3 5AQ | 51.89009 | 0.846696 | 595989 | 225111 | TL959251 | No |
| CO3 5AR | 51.88945 | 0.85045 | 596250 | 225050 | TL962250 | No |
| CO3 5AS | 51.888421 | 0.849861 | 596214 | 224934 | TL962249 | No |
| CO3 5AT | 51.889314 | 0.849017 | 596152 | 225031 | TL961250 | No |
| CO3 5AU | 51.888453 | 0.848918 | 596149 | 224935 | TL961249 | No |
| CO3 5AW | 51.889501 | 0.847604 | 596054 | 225048 | TL960250 | No |
| CO3 5AX | 51.887101 | 0.849429 | 596190 | 224786 | TL961247 | No |
| CO3 5AY | 51.886391 | 0.850517 | 596268 | 224710 | TL962247 | No |
| CO3 5AZ | 51.886335 | 0.849104 | 596171 | 224700 | TL961247 | No |
| CO3 5BA | 51.886457 | 0.851118 | 596309 | 224719 | TL963247 | No |
| CO3 5BB | 51.885483 | 0.851259 | 596323 | 224611 | TL963246 | No |
| CO3 5BD | 51.884629 | 0.851976 | 596376 | 224518 | TL963245 | No |
| CO3 5BE | 51.884083 | 0.852232 | 596396 | 224458 | TL963244 | No |
| CO3 5BG | 51.884891 | 0.850452 | 596270 | 224543 | TL962245 | No |
| CO3 5BH | 51.888375 | 0.848434 | 596116 | 224925 | TL961249 | No |
| CO3 5BJ | 51.889196 | 0.847948 | 596079 | 225015 | TL960250 | No |
| CO3 5BL | 51.888287 | 0.842019 | 595675 | 224898 | TL956248 | No |
| CO3 5BN | 51.891221 | 0.849384 | 596169 | 225244 | TL961252 | No |
| CO3 5BP | 51.887267 | 0.85223 | 596382 | 224812 | TL963248 | No |
| CO3 5BQ | 51.885568 | 0.849593 | 596208 | 224616 | TL962246 | No |
| CO3 5BS | 51.881881 | 0.8492 | 596197 | 224205 | TL961242 | No |
| CO3 5BT | 51.888421 | 0.853233 | 596446 | 224943 | TL964249 | No |
| CO3 5BU | 51.886592 | 0.851867 | 596360 | 224736 | TL963247 | No |
| CO3 5BW | 51.891811 | 0.849175 | 596152 | 225309 | TL961253 | No |
| CO3 5BX | 51.886844 | 0.852988 | 596436 | 224767 | TL964247 | No |
| CO3 5BY | 51.887991 | 0.852755 | 596415 | 224894 | TL964248 | No |
| CO3 5BZ | 51.885277 | 0.853441 | 596474 | 224594 | TL964245 | No |
| CO3 5DA | 51.883763 | 0.854275 | 596538 | 224428 | TL965244 | No |
| CO3 5DB | 51.886645 | 0.853746 | 596489 | 224747 | TL964247 | No |
| CO3 5DD | 51.883794 | 0.853739 | 596501 | 224430 | TL965244 | No |
| CO3 5DE | 51.882725 | 0.854064 | 596528 | 224312 | TL965243 | No |
| CO3 5DF | 51.881702 | 0.854362 | 596553 | 224199 | TL965241 | No |
| CO3 5DG | 51.880101 | 0.85474 | 596586 | 224022 | TL965240 | No |
| CO3 5DH | 51.883014 | 0.854751 | 596574 | 224346 | TL965243 | No |
| CO3 5DJ | 51.881537 | 0.855238 | 596614 | 224183 | TL966241 | No |
| CO3 5DL | 51.880341 | 0.855569 | 596642 | 224051 | TL966240 | No |
| CO3 5DN | 51.881801 | 0.855081 | 596602 | 224212 | TL966242 | No |
| CO3 5DP | 51.881729 | 0.853608 | 596501 | 224200 | TL965242 | No |
| CO3 5DQ | 51.879204 | 0.854989 | 596607 | 223923 | TL966239 | No |
| CO3 5DR | 51.881555 | 0.850415 | 596282 | 224172 | TL962241 | No |
| CO3 5DS | 51.88953 | 0.916124 | 600768 | 225238 | TM007252 | No |
| CO3 5DT | 51.879119 | 0.855913 | 596671 | 223916 | TL966239 | No |
| CO3 5DU | 51.877638 | 0.856139 | 596693 | 223752 | TL966237 | No |
| CO3 5DW | 51.88953 | 0.916124 | 600768 | 225238 | TM007252 | No |
| CO3 5DX | 51.874899 | 0.858203 | 596847 | 223453 | TL968234 | No |
| CO3 5DY | 51.873399 | 0.860346 | 597001 | 223292 | TL970232 | No |
| CO3 5DZ | 51.892348 | 0.852596 | 596385 | 225378 | TL963253 | No |
| CO3 5EA | 51.892652 | 0.851176 | 596286 | 225408 | TL962254 | No |
| CO3 5EB | 51.891815 | 0.85012 | 596217 | 225312 | TL962253 | No |
| CO3 5ED | 51.889482 | 0.852094 | 596363 | 225058 | TL963250 | No |
| CO3 5EE | 51.873343 | 0.859688 | 596956 | 223284 | TL969232 | No |
| CO3 5EF | 51.874292 | 0.858368 | 596861 | 223386 | TL968233 | No |
| CO3 5EG | 51.876099 | 0.856187 | 596703 | 223581 | TL967235 | No |
| CO3 5EH | 51.878479 | 0.854129 | 596551 | 223840 | TL965238 | No |
| CO3 5EJ | 51.877916 | 0.852132 | 596416 | 223772 | TL964237 | No |
| CO3 5EL | 51.87773 | 0.850492 | 596304 | 223747 | TL963237 | No |
| CO3 5EN | 51.879139 | 0.852107 | 596409 | 223908 | TL964239 | No |
| CO3 5EP | 51.879355 | 0.853967 | 596536 | 223937 | TL965239 | No |
| CO3 5EQ | 51.877371 | 0.855672 | 596662 | 223721 | TL966237 | No |
| CO3 5ER | 51.8809 | 0.853672 | 596509 | 224108 | TL965241 | No |
| CO3 5ES | 51.880636 | 0.851592 | 596367 | 224073 | TL963240 | No |
| CO3 5ET | 51.879727 | 0.850488 | 596295 | 223969 | TL962239 | No |
| CO3 5EU | 51.878678 | 0.851119 | 596343 | 223854 | TL963238 | No |
| CO3 5EW | 51.879848 | 0.852908 | 596461 | 223989 | TL964239 | No |
| CO3 5EX | 51.882083 | 0.852715 | 596438 | 224237 | TL964242 | No |
| CO3 5EY | 51.887315 | 0.85248 | 596399 | 224818 | TL963248 | No |
| CO3 5EZ | 51.87438 | 0.857734 | 596817 | 223394 | TL968233 | No |
| CO3 5FA | 51.876074 | 0.85944 | 596927 | 223587 | TL969235 | No |
| CO3 5FB | 51.875973 | 0.858402 | 596856 | 223573 | TL968235 | No |
| CO3 5FD | 51.890337 | 0.847642 | 596053 | 225141 | TL960251 | No |
| CO3 5FE | 51.885124 | 0.841528 | 595655 | 224545 | TL956245 | No |
| CO3 5FF | 51.888585 | 0.830802 | 594902 | 224901 | TL949249 | No |
| CO3 5FG | 51.891935 | 0.829123 | 594772 | 225269 | TL947252 | No |
| CO3 5FH | 51.88953 | 0.916124 | 600768 | 225238 | TM007252 | No |
| CO3 5FJ | 51.888585 | 0.830802 | 594902 | 224901 | TL949249 | No |
| CO3 5FL | 51.891682 | 0.828788 | 594750 | 225240 | TL947252 | No |
| CO3 5FN | 51.87269 | 0.860649 | 597025 | 223214 | TL970232 | No |
| CO3 5FP | 51.882359 | 0.856206 | 596677 | 224277 | TL966242 | No |
| CO3 5FQ | 51.891754 | 0.830304 | 594854 | 225252 | TL948252 | No |
| CO3 5FR | 51.888585 | 0.830802 | 594902 | 224901 | TL949249 | No |
| CO3 5FS | 51.88953 | 0.916124 | 600768 | 225238 | TM007252 | No |
| CO3 5FT | 51.891249 | 0.829226 | 594782 | 225193 | TL947251 | No |
| CO3 5FU | 51.891165 | 0.830834 | 594893 | 225188 | TL948251 | No |
| CO3 5FW | 51.888585 | 0.830802 | 594902 | 224901 | TL949249 | No |
| CO3 5FX | 51.885124 | 0.841528 | 595655 | 224545 | TL956245 | No |
| CO3 5FY | 51.88953 | 0.916124 | 600768 | 225238 | TM007252 | No |
| CO3 5FZ | 51.885571 | 0.845379 | 595918 | 224605 | TL959246 | No |
| CO3 5GA | 51.885124 | 0.841528 | 595655 | 224545 | TL956245 | No |
| CO3 5GB | 51.885124 | 0.841528 | 595655 | 224545 | TL956245 | No |
| CO3 5GD | 51.885124 | 0.841528 | 595655 | 224545 | TL956245 | No |
| CO3 5GE | 51.885101 | 0.841367 | 595644 | 224542 | TL956245 | No |
| CO3 5GF | 51.88953 | 0.916124 | 600768 | 225238 | TM007252 | No |
| CO3 5GG | 51.885101 | 0.841367 | 595644 | 224542 | TL956245 | No |
| CO3 5GH | 51.886958 | 0.845292 | 595906 | 224759 | TL959247 | No |
| CO3 5GJ | 51.887371 | 0.846088 | 595959 | 224807 | TL959248 | No |
| CO3 5GL | 51.887613 | 0.84574 | 595934 | 224833 | TL959248 | No |
| CO3 5GN | 51.887609 | 0.846641 | 595996 | 224835 | TL959248 | No |
| CO3 5GP | 51.88953 | 0.916124 | 600768 | 225238 | TM007252 | No |
| CO3 5GQ | 51.88953 | 0.916124 | 600768 | 225238 | TM007252 | No |
| CO3 5GR | 51.891884 | 0.839077 | 595457 | 225290 | TL954252 | No |
| CO3 5GS | 51.885018 | 0.852611 | 596418 | 224563 | TL964245 | No |
| CO3 5GT | 51.88953 | 0.916124 | 600768 | 225238 | TM007252 | No |
| CO3 5GU | 51.88953 | 0.916124 | 600768 | 225238 | TM007252 | No |
| CO3 5GW | 51.891884 | 0.839077 | 595457 | 225290 | TL954252 | No |
| CO3 5GX | 51.88953 | 0.916124 | 600768 | 225238 | TM007252 | No |
| CO3 5GY | 51.88953 | 0.916124 | 600768 | 225238 | TM007252 | No |
| CO3 5GZ | 51.88953 | 0.916124 | 600768 | 225238 | TM007252 | No |
| CO3 5HA | 51.889262 | 0.844856 | 595866 | 225014 | TL958250 | No |
| CO3 5HB | 51.889143 | 0.844195 | 595821 | 224999 | TL958249 | No |
| CO3 5HD | 51.888584 | 0.841645 | 595648 | 224930 | TL956249 | No |
| CO3 5HE | 51.888853 | 0.837578 | 595367 | 224949 | TL953249 | No |
| CO3 5HF | 51.888858 | 0.838857 | 595455 | 224953 | TL954249 | No |
| CO3 5HG | 51.889928 | 0.838154 | 595402 | 225070 | TL954250 | No |
| CO3 5HH | 51.890379 | 0.836613 | 595294 | 225116 | TL952251 | No |
| CO3 5HJ | 51.890365 | 0.839781 | 595512 | 225123 | TL955251 | No |
| CO3 5HL | 51.889682 | 0.842746 | 595719 | 225055 | TL957250 | No |
| CO3 5HN | 51.890066 | 0.843977 | 595802 | 225101 | TL958251 | No |
| CO3 5HP | 51.890378 | 0.843691 | 595781 | 225135 | TL957251 | No |
| CO3 5HQ | 51.889759 | 0.839553 | 595499 | 225055 | TL954250 | No |
| CO3 5HR | 51.890376 | 0.842659 | 595710 | 225132 | TL957251 | No |
| CO3 5HS | 51.890276 | 0.841621 | 595639 | 225118 | TL956251 | No |
| CO3 5HT | 51.88956 | 0.839977 | 595529 | 225034 | TL955250 | No |
| CO3 5HU | 51.889095 | 0.840253 | 595550 | 224983 | TL955249 | No |
| CO3 5HW | 51.890455 | 0.845368 | 595896 | 225148 | TL958251 | No |
| CO3 5HX | 51.888722 | 0.837075 | 595333 | 224933 | TL953249 | No |