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 4SB | 51.944538 | 1.253717 | 623720 | 232339 | TM237323 | Yes |
| CO12 4SG | 51.945174 | 1.250561 | 623500 | 232400 | TM234323 | No |
| CO12 4SH | 51.945174 | 1.250561 | 623500 | 232400 | TM234323 | No |
| CO12 4SJ | 51.945174 | 1.250561 | 623500 | 232400 | TM234323 | No |
| CO12 4SL | 51.936487 | 1.276649 | 625336 | 231515 | TM253315 | Yes |
| CO12 4SN | 51.945215 | 1.249109 | 623400 | 232400 | TM233324 | No |
| CO12 4SP | 51.947694 | 1.254106 | 623731 | 232691 | TM237326 | Yes |
| CO12 4SR | 51.947321 | 1.255433 | 623824 | 232654 | TM238326 | Yes |
| CO12 4SS | 51.943369 | 1.242325 | 622943 | 232174 | TM229321 | Yes |
| CO12 4ST | 51.933565 | 1.256007 | 623932 | 231126 | TM239311 | No |
| CO12 4SU | 51.943379 | 1.250432 | 623500 | 232200 | TM235321 | No |
| CO12 4SX | 51.947427 | 1.255499 | 623828 | 232666 | TM238326 | Yes |
| CO12 4SY | 51.946929 | 1.252144 | 623600 | 232600 | TM236325 | No |
| CO12 4SZ | 51.946929 | 1.252144 | 623600 | 232600 | TM236325 | No |
| CO12 4TA | 51.947564 | 1.252947 | 623652 | 232673 | TM236326 | No |
| CO12 4TD | 51.946929 | 1.252144 | 623600 | 232600 | TM236325 | No |
| CO12 4TE | 51.929349 | 1.234417 | 622469 | 230591 | TM224305 | Yes |
| CO12 4TF | 51.929228 | 1.23163 | 622278 | 230569 | TM222305 | Yes |
| CO12 4TG | 51.926764 | 1.233227 | 622400 | 230300 | TM223302 | No |
| CO12 4TH | 51.930195 | 1.232441 | 622329 | 230679 | TM223306 | Yes |
| CO12 4TJ | 51.930245 | 1.234874 | 622496 | 230692 | TM224306 | Yes |
| CO12 4TL | 51.931305 | 1.237191 | 622650 | 230817 | TM226308 | Yes |
| CO12 4TP | 51.930562 | 1.233471 | 622398 | 230723 | TM223307 | Yes |
| CO12 4TQ | 51.933565 | 1.256007 | 623932 | 231126 | TM239311 | No |
| CO12 4TR | 51.930763 | 1.249039 | 623467 | 230793 | TM234307 | Yes |
| CO12 4TS | 51.929942 | 1.24978 | 623522 | 230704 | TM235307 | Yes |
| CO12 4TT | 51.930155 | 1.248573 | 623438 | 230724 | TM234307 | Yes |
| CO12 4TU | 51.929051 | 1.249468 | 623505 | 230604 | TM235306 | Yes |
| CO12 4TX | 51.93117 | 1.251556 | 623638 | 230846 | TM236308 | Yes |
| CO12 4TY | 51.931039 | 1.25063 | 623575 | 230829 | TM235308 | Yes |
| CO12 4TZ | 51.930805 | 1.249769 | 623517 | 230800 | TM235307 | Yes |
| CO12 4UA | 51.930381 | 1.250495 | 623569 | 230755 | TM235307 | Yes |
| CO12 4UB | 51.929767 | 1.250902 | 623600 | 230688 | TM235306 | Yes |
| CO12 4UD | 51.929918 | 1.251277 | 623625 | 230706 | TM236307 | Yes |
| CO12 4UE | 51.929918 | 1.251611 | 623648 | 230707 | TM236307 | Yes |
| CO12 4UF | 51.930567 | 1.251571 | 623642 | 230779 | TM236307 | Yes |
| CO12 4UG | 51.928749 | 1.250625 | 623586 | 230574 | TM235305 | Yes |
| CO12 4UH | 51.930704 | 1.252788 | 623725 | 230798 | TM237307 | Yes |
| CO12 4UJ | 51.92887 | 1.252437 | 623710 | 230593 | TM237305 | Yes |
| CO12 4UL | 51.929758 | 1.252706 | 623724 | 230693 | TM237306 | Yes |
| CO12 4UN | 51.926979 | 1.251879 | 623681 | 230381 | TM236303 | Yes |
| CO12 4UP | 51.929366 | 1.253346 | 623770 | 230651 | TM237306 | Yes |
| CO12 4UQ | 51.927781 | 1.249202 | 623493 | 230462 | TM234304 | Yes |
| CO12 4UR | 51.92888 | 1.254664 | 623863 | 230601 | TM238306 | Yes |
| CO12 4US | 51.930494 | 1.255494 | 623912 | 230783 | TM239307 | Yes |
| CO12 4UT | 51.9281 | 1.25068 | 623593 | 230502 | TM235305 | Yes |
| CO12 4UU | 51.928685 | 1.255872 | 623947 | 230583 | TM239305 | Yes |
| CO12 4UW | 51.927092 | 1.256237 | 623980 | 230407 | TM239304 | Yes |
| CO12 4UX | 51.930684 | 1.254795 | 623863 | 230802 | TM238308 | Yes |
| CO12 4UY | 51.928249 | 1.25699 | 624026 | 230538 | TM240305 | Yes |
| CO12 4UZ | 51.928118 | 1.254594 | 623862 | 230516 | TM238305 | Yes |
| CO12 4WA | 51.937681 | 1.279763 | 625544 | 231657 | TM255316 | No |
| CO12 4WB | 51.926741 | 1.247148 | 623357 | 230340 | TM233303 | No |
| CO12 4WD | 51.933505 | 1.255581 | 623903 | 231118 | TM239311 | No |
| CO12 4WE | 51.926742 | 1.24709 | 623353 | 230340 | TM233303 | Yes |
| CO12 4WF | 51.927412 | 1.247255 | 623361 | 230415 | TM233304 | Yes |
| CO12 4WG | 51.927124 | 1.248558 | 623452 | 230387 | TM234303 | Yes |
| CO12 4WH | 51.925601 | 1.24804 | 623424 | 230216 | TM234302 | Yes |
| CO12 4WJ | 51.937681 | 1.279763 | 625544 | 231657 | TM255316 | No |
| CO12 4WL | 51.925474 | 1.249035 | 623493 | 230205 | TM234302 | Yes |
| CO12 4WN | 51.925483 | 1.249036 | 623493 | 230206 | TM234302 | No |
| CO12 4WP | 51.927359 | 1.246247 | 623292 | 230406 | TM232304 | Yes |
| CO12 4WT | 51.937681 | 1.279763 | 625544 | 231657 | TM255316 | No |
| CO12 4WU | 51.937681 | 1.279763 | 625544 | 231657 | TM255316 | No |
| CO12 4WW | 51.937681 | 1.279763 | 625544 | 231657 | TM255316 | No |
| CO12 4WX | 51.937681 | 1.279763 | 625544 | 231657 | TM255316 | No |
| CO12 4WY | 51.937681 | 1.279763 | 625544 | 231657 | TM255316 | No |
| CO12 4WZ | 51.927332 | 1.246231 | 623291 | 230403 | TM232304 | No |
| CO12 4XA | 51.92736 | 1.251412 | 623647 | 230422 | TM236304 | Yes |
| CO12 4XB | 51.927748 | 1.253011 | 623755 | 230470 | TM237304 | Yes |
| CO12 4XD | 51.928285 | 1.248234 | 623424 | 230515 | TM234305 | Yes |
| CO12 4XE | 51.928207 | 1.257874 | 624087 | 230536 | TM240305 | Yes |
| CO12 4XF | 51.927402 | 1.256739 | 624013 | 230443 | TM240304 | Yes |
| CO12 4XG | 51.926991 | 1.254993 | 623895 | 230392 | TM238303 | Yes |
| CO12 4XH | 51.927233 | 1.250486 | 623584 | 230405 | TM235304 | Yes |
| CO12 4XJ | 51.926959 | 1.259079 | 624176 | 230401 | TM241304 | Yes |
| CO12 4XL | 51.926488 | 1.25759 | 624076 | 230344 | TM240303 | Yes |
| CO12 4XN | 51.926662 | 1.252118 | 623699 | 230347 | TM236303 | Yes |
| CO12 4XP | 51.926003 | 1.250717 | 623606 | 230269 | TM236302 | Yes |
| CO12 4XQ | 51.933556 | 1.255992 | 623931 | 231125 | TM239311 | No |
| CO12 4XR | 51.926529 | 1.25349 | 623794 | 230336 | TM237303 | Yes |
| CO12 4XS | 51.930499 | 1.257924 | 624079 | 230791 | TM240307 | Yes |
| CO12 4XT | 51.929818 | 1.258166 | 624099 | 230716 | TM240307 | Yes |
| CO12 4XU | 51.930268 | 1.25878 | 624139 | 230768 | TM241307 | Yes |
| CO12 4XW | 51.92634 | 1.252196 | 623706 | 230311 | TM237303 | Yes |
| CO12 4XX | 51.930423 | 1.257104 | 624023 | 230780 | TM240307 | Yes |
| CO12 4YA | 51.930436 | 1.257134 | 624025 | 230782 | TM240307 | Yes |
| CO12 4YR | 51.937681 | 1.279763 | 625544 | 231657 | TM255316 | No |
| CO12 4YZ | 51.930423 | 1.257104 | 624023 | 230780 | TM240307 | No |
| CO12 5AA | 51.907537 | 1.198952 | 620138 | 228058 | TM201280 | Yes |
| CO12 5AB | 51.908166 | 1.197151 | 620011 | 228123 | TM200281 | Yes |
| CO12 5AD | 51.905893 | 1.192902 | 619730 | 227857 | TM197278 | Yes |
| CO12 5AE | 51.908327 | 1.18659 | 619284 | 228109 | TM192281 | Yes |
| CO12 5AF | 51.906488 | 1.185238 | 619200 | 227900 | TM192279 | No |
| CO12 5AG | 51.903917 | 1.188997 | 619471 | 227625 | TM194276 | Yes |
| CO12 5AH | 51.903654 | 1.187902 | 619397 | 227593 | TM193275 | Yes |
| CO12 5AJ | 51.903096 | 1.190261 | 619562 | 227538 | TM195275 | Yes |
| CO12 5AL | 51.903193 | 1.189672 | 619521 | 227547 | TM195275 | Yes |
| CO12 5AN | 51.901316 | 1.192868 | 619750 | 227348 | TM197273 | Yes |
| CO12 5AP | 51.903172 | 1.188783 | 619460 | 227542 | TM194275 | Yes |
| CO12 5AQ | 51.904059 | 1.189239 | 619487 | 227642 | TM194276 | Yes |
| CO12 5AR | 51.902651 | 1.188253 | 619426 | 227482 | TM194274 | Yes |
| CO12 5AS | 51.903267 | 1.188267 | 619424 | 227551 | TM194275 | Yes |
| CO12 5AT | 51.90281 | 1.187216 | 619354 | 227497 | TM193274 | Yes |
| CO12 5AU | 51.902277 | 1.187629 | 619385 | 227439 | TM193274 | Yes |
| CO12 5AW | 51.901881 | 1.189274 | 619500 | 227400 | TM195273 | No |
| CO12 5AX | 51.901895 | 1.185785 | 619260 | 227391 | TM192273 | Yes |
| CO12 5AY | 51.901999 | 1.18492 | 619200 | 227400 | TM192273 | No |
| CO12 5AZ | 51.902425 | 1.184485 | 619168 | 227446 | TM191274 | Yes |
| CO12 5BA | 51.901239 | 1.182453 | 619034 | 227308 | TM190273 | Yes |
| CO12 5BB | 51.898841 | 1.186137 | 619299 | 227053 | TM192270 | Yes |
| CO12 5BD | 51.898508 | 1.184644 | 619198 | 227011 | TM191270 | Yes |
| CO12 5BE | 51.89768 | 1.182346 | 619044 | 226912 | TM190269 | Yes |
| CO12 5BG | 51.896938 | 1.183835 | 619150 | 226834 | TM191268 | Yes |
| CO12 5BH | 51.889863 | 1.184862 | 619255 | 226050 | TM192260 | Yes |
| CO12 5BJ | 51.90165 | 1.181886 | 618993 | 227352 | TM189273 | Yes |
| CO12 5BL | 51.900417 | 1.180418 | 618898 | 227211 | TM188272 | Yes |
| CO12 5BN | 51.89958 | 1.176258 | 618616 | 227105 | TM186271 | Yes |
| CO12 5BP | 51.897058 | 1.158883 | 617433 | 226773 | TM174267 | Yes |
| CO12 5BQ | 51.892244 | 1.190786 | 619651 | 226333 | TM196263 | Yes |
| CO12 5BS | 51.896085 | 1.149058 | 616762 | 226635 | TM167266 | Yes |
| CO12 5BT | 51.896477 | 1.147662 | 616664 | 226674 | TM166266 | Yes |
| CO12 5BU | 51.896425 | 1.148777 | 616741 | 226672 | TM167266 | Yes |
| CO12 5BW | 51.899254 | 1.169519 | 618154 | 227048 | TM181270 | Yes |
| CO12 5BX | 51.895472 | 1.146762 | 616607 | 226560 | TM166265 | Yes |
| CO12 5BY | 51.889999 | 1.146234 | 616597 | 225950 | TM165259 | Yes |
| CO12 5BZ | 51.898162 | 1.181493 | 618983 | 226963 | TM189269 | Yes |
| CO12 5DA | 51.898369 | 1.144042 | 616406 | 226874 | TM164268 | Yes |
| CO12 5DB | 51.899273 | 1.138291 | 616006 | 226957 | TM160269 | Yes |
| CO12 5DD | 51.895411 | 1.132687 | 615639 | 226511 | TM156265 | Yes |
| CO12 5DE | 51.900656 | 1.13654 | 615879 | 227106 | TM158271 | Yes |
| CO12 5DF | 51.900642 | 1.127598 | 615264 | 227078 | TM152270 | Yes |
| CO12 5DG | 51.900939 | 1.12096 | 614806 | 227091 | TM148270 | Yes |
| CO12 5DH | 51.906227 | 1.19518 | 619885 | 227901 | TM198279 | Yes |
| CO12 5DJ | 51.902017 | 1.184442 | 619167 | 227401 | TM191274 | Yes |
| CO12 5DL | 51.901774 | 1.124928 | 615075 | 227196 | TM150271 | Yes |
| CO12 5DN | 51.927352 | 1.239642 | 622838 | 230385 | TM228303 | Yes |
| CO12 5DP | 51.923673 | 1.231347 | 622286 | 229951 | TM222299 | Yes |
| CO12 5DQ | 51.927807 | 1.239456 | 622823 | 230435 | TM228304 | Yes |
| CO12 5DR | 51.926875 | 1.236596 | 622631 | 230323 | TM226303 | Yes |
| CO12 5DS | 51.925076 | 1.232786 | 622378 | 230111 | TM223301 | Yes |
| CO12 5DT | 51.924245 | 1.231286 | 622279 | 230014 | TM222300 | Yes |
| CO12 5DU | 51.924024 | 1.231154 | 622271 | 229989 | TM222299 | Yes |
| CO12 5DW | 51.922819 | 1.23082 | 622254 | 229854 | TM222298 | No |
| CO12 5DX | 51.923677 | 1.230867 | 622253 | 229950 | TM222299 | Yes |
| CO12 5DY | 51.925517 | 1.230839 | 622242 | 230154 | TM222301 | Yes |
| CO12 5DZ | 51.925708 | 1.23174 | 622303 | 230178 | TM223301 | Yes |
| CO12 5EA | 51.922996 | 1.230265 | 622215 | 229872 | TM222298 | Yes |
| CO12 5EB | 51.921004 | 1.230413 | 622235 | 229651 | TM222296 | Yes |
| CO12 5ED | 51.922282 | 1.228439 | 622093 | 229787 | TM220297 | Yes |
| CO12 5EE | 51.922877 | 1.227711 | 622040 | 229851 | TM220298 | Yes |
| CO12 5EF | 51.922563 | 1.227034 | 621995 | 229814 | TM219298 | Yes |
| CO12 5EG | 51.923019 | 1.229423 | 622157 | 229872 | TM221298 | Yes |
| CO12 5EH | 51.923918 | 1.229779 | 622177 | 229973 | TM221299 | Yes |
| CO12 5EJ | 51.92581 | 1.228853 | 622104 | 230181 | TM221301 | Yes |
| CO12 5EL | 51.926574 | 1.226391 | 621931 | 230258 | TM219302 | Yes |
| CO12 5EN | 51.926598 | 1.229797 | 622165 | 230271 | TM221302 | Yes |
| CO12 5EP | 51.93127 | 1.228314 | 622040 | 230786 | TM220307 | Yes |
| CO12 5EQ | 51.923943 | 1.228195 | 622068 | 229971 | TM220299 | Yes |
| CO12 5ER | 51.930802 | 1.227218 | 621967 | 230731 | TM219307 | Yes |
| CO12 5ES | 51.930734 | 1.229846 | 622148 | 230731 | TM221307 | Yes |
| CO12 5ET | 51.934283 | 1.231469 | 622242 | 231131 | TM222311 | Yes |
| CO12 5EU | 51.927273 | 1.223066 | 621699 | 230326 | TM216303 | Yes |
| CO12 5EW | 51.928693 | 1.229322 | 622122 | 230503 | TM221305 | Yes |
| CO12 5EX | 51.927515 | 1.219955 | 621484 | 230343 | TM214303 | Yes |
| CO12 5EY | 51.92864 | 1.217286 | 621295 | 230460 | TM212304 | Yes |
| CO12 5EZ | 51.927135 | 1.230533 | 622213 | 230333 | TM222303 | Yes |
| CO12 5FA | 51.926644 | 1.220097 | 621498 | 230247 | TM214302 | Yes |
| CO12 5FB | 51.927509 | 1.231972 | 622310 | 230379 | TM223303 | Yes |
| CO12 5FD | 51.928499 | 1.23261 | 622349 | 230491 | TM223304 | Yes |
| CO12 5FE | 51.927493 | 1.233207 | 622395 | 230381 | TM223303 | Yes |
| CO12 5FF | 51.92451 | 1.228047 | 622055 | 230034 | TM220300 | Yes |
| CO12 5FG | 51.928123 | 1.235158 | 622526 | 230457 | TM225304 | Yes |
| CO12 5FH | 51.890025 | 1.183521 | 619162 | 226064 | TM191260 | Yes |
| CO12 5FJ | 51.928286 | 1.231722 | 622289 | 230465 | TM222304 | Yes |
| CO12 5FL | 51.928193 | 1.230173 | 622183 | 230450 | TM221304 | Yes |
| CO12 5FN | 51.899019 | 1.183867 | 619142 | 227065 | TM191270 | Yes |
| CO12 5FP | 51.922789 | 1.231094 | 622273 | 229852 | TM222298 | Yes |
| CO12 5FQ | 51.927574 | 1.228819 | 622093 | 230377 | TM220303 | Yes |
| CO12 5FR | 51.927191 | 1.208963 | 620730 | 230274 | TM207302 | Yes |
| CO12 5FT | 51.916292 | 1.181744 | 618912 | 228980 | TM189289 | Yes |
| CO12 5GG | 51.937681 | 1.279763 | 625544 | 231657 | TM255316 | No |
| CO12 5HA | 51.925523 | 1.216816 | 621278 | 230112 | TM212301 | Yes |
| CO12 5HB | 51.929613 | 1.217588 | 621311 | 230569 | TM213305 | Yes |
| CO12 5HD | 51.93629 | 1.221923 | 621576 | 231325 | TM215313 | Yes |
| CO12 5HE | 51.926702 | 1.234503 | 622488 | 230297 | TM224302 | Yes |
| CO12 5HF | 51.925958 | 1.232776 | 622373 | 230209 | TM223302 | Yes |
| CO12 5HG | 51.930354 | 1.217132 | 621276 | 230650 | TM212306 | Yes |
| CO12 5HH | 51.92836 | 1.216015 | 621209 | 230425 | TM212304 | Yes |
| CO12 5HJ | 51.92859 | 1.215362 | 621163 | 230449 | TM211304 | Yes |
| CO12 5HL | 51.92813 | 1.214907 | 621134 | 230396 | TM211303 | Yes |
| CO12 5HN | 51.92746 | 1.214088 | 621081 | 230319 | TM210303 | Yes |
| CO12 5HP | 51.92666 | 1.210627 | 620847 | 230220 | TM208302 | Yes |
| CO12 5HQ | 51.937429 | 1.227083 | 621925 | 231467 | TM219314 | Yes |
| CO12 5HR | 51.925958 | 1.203536 | 620363 | 230120 | TM203301 | Yes |
| CO12 5HS | 51.925803 | 1.202608 | 620300 | 230100 | TM202300 | No |
| CO12 5HT | 51.916545 | 1.211316 | 620944 | 229097 | TM209290 | No |
| CO12 5HW | 51.927468 | 1.213129 | 621015 | 230317 | TM210303 | Yes |
| CO12 5JA | 51.919133 | 1.230104 | 622223 | 229442 | TM222294 | Yes |
| CO12 5JB | 51.917579 | 1.229381 | 622181 | 229267 | TM221292 | Yes |