This page provides postcode data for the Colchester UK Local Authority District.
In 2021, Colchester contained approximately 79,700 households with a population of about 192,700
In 2011, Colchester contained approximately 71,632 households with a population of about 173,057
Active postcode
Postcode no longer in use| Postcode | Ward | Latitude | Longitude | Easting | Northing | Grid ref |
|---|---|---|---|---|---|---|
| CO3 0RJ | Stanway | 51.884222 | 0.839437 | 595515 | 224439 | TL955244 |
| CO3 0RL | Stanway | 51.883281 | 0.83743 | 595381 | 224329 | TL953243 |
| CO3 0RN | Stanway | 51.8822 | 0.8371 | 595363 | 224208 | TL953242 |
| CO3 0RP | Stanway | 51.880771 | 0.836327 | 595316 | 224047 | TL953240 |
| CO3 0RQ | Stanway | 51.878842 | 0.844343 | 595876 | 223854 | TL958238 |
| CO3 0RR | Stanway | 51.879348 | 0.837894 | 595430 | 223893 | TL954238 |
| CO3 0RS | Stanway | 51.87994 | 0.837205 | 595380 | 223957 | TL953239 |
| CO3 0RT | Stanway | 51.879077 | 0.836482 | 595334 | 223859 | TL953238 |
| CO3 0RU | Stanway | 51.87787 | 0.836929 | 595370 | 223726 | TL953237 |
| CO3 0RW | Stanway | 51.880513 | 0.834742 | 595208 | 224014 | TL952240 |
| CO3 0RX | Stanway | 51.880231 | 0.840449 | 595602 | 223998 | TL956239 |
| CO3 0RY | Stanway | 51.880881 | 0.838093 | 595437 | 224064 | TL954240 |
| CO3 0RZ | Stanway | 51.878074 | 0.839994 | 595580 | 223757 | TL955237 |
| CO3 0SA | Stanway | 51.881926 | 0.842504 | 595736 | 224192 | TL957241 |
| CO3 0SD | Stanway | 51.892006 | 0.837762 | 595366 | 225300 | TL953253 |
| CO3 0SE | Stanway | 51.891898 | 0.83402 | 595109 | 225278 | TL951252 |
| CO3 0SF | Stanway | 51.891656 | 0.835865 | 595237 | 225256 | TL952252 |
| CO3 0SG | Stanway | 51.891178 | 0.834047 | 595114 | 225198 | TL951251 |
| CO3 0SH | Prettygate | 51.870142 | 0.854836 | 596636 | 222915 | TL966229 |
| CO3 0SJ | Stanway | 51.866608 | 0.845896 | 596036 | 222498 | TL960224 |
| CO3 0SL | Stanway | 51.863914 | 0.835688 | 595345 | 222171 | TL953221 |
| CO3 0SN | Stanway | 51.861612 | 0.825607 | 594661 | 221888 | TL946218 |
| CO3 0SP | Marks Tey and Layer | 51.860102 | 0.824815 | 594613 | 221718 | TL946217 |
| CO3 0SQ | Stanway | 51.89215 | 0.833628 | 595081 | 225305 | TL950253 |
| CO3 0SR | Marks Tey and Layer | 51.860141 | 0.822436 | 594449 | 221716 | TL944217 |
| CO3 0SW | Stanway | 51.861055 | 0.825543 | 594659 | 221826 | TL946218 |
| CO3 0UG | Stanway | 51.886488 | 0.847268 | 596044 | 224712 | TL960247 |
| CO3 0UH | Stanway | 51.886048 | 0.84647 | 595991 | 224661 | TL959246 |
| CO3 0UJ | Stanway | 51.885686 | 0.846927 | 596024 | 224622 | TL960246 |
| CO3 0UL | Stanway | 51.877441 | 0.849442 | 596233 | 223712 | TL962237 |
| CO3 0UQ | Stanway | 51.886501 | 0.846702 | 596005 | 224712 | TL960247 |
| CO3 0US | Stanway | 51.876302 | 0.838545 | 595488 | 223556 | TL954235 |
| CO3 0UT | Stanway | 51.876635 | 0.836285 | 595331 | 223587 | TL953235 |
| CO3 0UU | Stanway | 51.889135 | 0.844165 | 595819 | 224998 | TL958249 |
| CO3 0UW | Stanway | 51.889143 | 0.844195 | 595821 | 224999 | TL958249 |
| CO3 0UX | Stanway | 51.889135 | 0.844165 | 595819 | 224998 | TL958249 |
| CO3 0UY | Stanway | 51.889143 | 0.844195 | 595821 | 224999 | TL958249 |
| CO3 0UZ | Castle | 51.88953 | 0.916124 | 600768 | 225238 | TM007252 |
| CO3 0WA | Castle | 51.88953 | 0.916124 | 600768 | 225238 | TM007252 |
| CO3 0WB | Stanway | 51.889135 | 0.844165 | 595819 | 224998 | TL958249 |
| CO3 0WD | Stanway | 51.889135 | 0.844165 | 595819 | 224998 | TL958249 |
| CO3 0WE | Stanway | 51.882757 | 0.841989 | 595697 | 224283 | TL956242 |
| CO3 0WF | Stanway | 51.877529 | 0.843229 | 595805 | 223705 | TL958237 |
| CO3 0WG | Castle | 51.88953 | 0.916124 | 600768 | 225238 | TM007252 |
| CO3 0WH | Castle | 51.88953 | 0.916124 | 600768 | 225238 | TM007252 |
| CO3 0WJ | Stanway | 51.887572 | 0.835535 | 595232 | 224801 | TL952248 |
| CO3 0WL | Stanway | 51.887572 | 0.835535 | 595232 | 224801 | TL952248 |
| CO3 0WN | Stanway | 51.884508 | 0.838757 | 595467 | 224469 | TL954244 |
| CO3 0WP | Castle | 51.88953 | 0.916124 | 600768 | 225238 | TM007252 |
| CO3 0WQ | Castle | 51.88953 | 0.916124 | 600768 | 225238 | TM007252 |
| CO3 0WR | Castle | 51.88953 | 0.916124 | 600768 | 225238 | TM007252 |
| CO3 0WS | Stanway | 51.889143 | 0.844195 | 595821 | 224999 | TL958249 |
| CO3 0WT | Castle | 51.88953 | 0.916124 | 600768 | 225238 | TM007252 |
| CO3 0WU | Stanway | 51.889135 | 0.844165 | 595819 | 224998 | TL958249 |
| CO3 0WX | Stanway | 51.889143 | 0.844195 | 595821 | 224999 | TL958249 |
| CO3 0WY | Castle | 51.88953 | 0.916124 | 600768 | 225238 | TM007252 |
| CO3 0WZ | Stanway | 51.889143 | 0.844195 | 595821 | 224999 | TL958249 |
| CO3 0XP | Castle | 51.88953 | 0.916124 | 600768 | 225238 | TM007252 |
| CO3 0XQ | Castle | 51.88953 | 0.916124 | 600768 | 225238 | TM007252 |
| CO3 0XT | Castle | 51.88953 | 0.916124 | 600768 | 225238 | TM007252 |
| CO3 0YA | Stanway | 51.884163 | 0.845217 | 595913 | 224448 | TL959244 |
| CO3 0YB | Stanway | 51.882913 | 0.844092 | 595841 | 224306 | TL958243 |
| CO3 0YD | Stanway | 51.880861 | 0.846752 | 596033 | 224085 | TL960240 |
| CO3 0YE | Stanway | 51.882312 | 0.842891 | 595761 | 224236 | TL957242 |
| CO3 0YF | Stanway | 51.882897 | 0.843248 | 595783 | 224302 | TL957243 |
| CO3 0YG | Stanway | 51.883166 | 0.845547 | 595940 | 224338 | TL959243 |
| CO3 0YH | Stanway | 51.881437 | 0.846731 | 596029 | 224149 | TL960241 |
| CO3 0YJ | Stanway | 51.881867 | 0.844578 | 595879 | 224191 | TL958241 |
| CO3 0YL | Stanway | 51.882409 | 0.847068 | 596048 | 224258 | TL960242 |
| CO3 0YN | Stanway | 51.881842 | 0.846713 | 596026 | 224194 | TL960241 |
| CO3 0YP | Stanway | 51.883994 | 0.846994 | 596036 | 224434 | TL960244 |
| CO3 0YQ | Stanway | 51.883495 | 0.844928 | 595896 | 224373 | TL958243 |
| CO3 0YR | Castle | 51.88953 | 0.916124 | 600768 | 225238 | TM007252 |
| CO3 0YS | Stanway | 51.88598 | 0.843733 | 595803 | 224646 | TL958246 |
| CO3 0YT | Stanway | 51.885331 | 0.846366 | 595987 | 224581 | TL959245 |
| CO3 0YU | Stanway | 51.8847 | 0.846443 | 595995 | 224511 | TL959245 |
| CO3 0YW | Stanway | 51.881191 | 0.846134 | 595989 | 224120 | TL959241 |
| CO3 0YX | Stanway | 51.884246 | 0.844002 | 595829 | 224454 | TL958244 |
| CO3 0YY | Stanway | 51.884917 | 0.843056 | 595761 | 224526 | TL957245 |
| CO3 0YZ | Stanway | 51.885261 | 0.84517 | 595905 | 224570 | TL959245 |
| CO3 0ZB | Castle | 51.88953 | 0.916124 | 600768 | 225238 | TM007252 |
| CO3 0ZD | Castle | 51.88953 | 0.916124 | 600768 | 225238 | TM007252 |
| CO3 0ZE | Castle | 51.88953 | 0.916124 | 600768 | 225238 | TM007252 |
| CO3 0ZF | Castle | 51.88953 | 0.916124 | 600768 | 225238 | TM007252 |
| CO3 0ZH | Castle | 51.88953 | 0.916124 | 600768 | 225238 | TM007252 |
| CO3 0ZJ | Stanway | 51.889135 | 0.844165 | 595819 | 224998 | TL958249 |
| CO3 0ZL | Castle | 51.88953 | 0.916124 | 600768 | 225238 | TM007252 |
| CO3 0ZN | Stanway | 51.884508 | 0.838757 | 595467 | 224469 | TL954244 |
| CO3 3AA | Castle | 51.887906 | 0.894159 | 599264 | 224997 | TL992249 |
| CO3 3AB | Castle | 51.891267 | 0.891323 | 599054 | 225363 | TL990253 |
| CO3 3AD | Castle | 51.888185 | 0.894119 | 599260 | 225028 | TL992250 |
| CO3 3AE | Castle | 51.890064 | 0.892335 | 599129 | 225232 | TL991252 |
| CO3 3AF | Castle | 51.890506 | 0.892291 | 599124 | 225281 | TL991252 |
| CO3 3AG | New Town and Christ Church | 51.886028 | 0.89225 | 599141 | 224783 | TL991247 |
| CO3 3AH | New Town and Christ Church | 51.885618 | 0.892093 | 599132 | 224737 | TL991247 |
| CO3 3AJ | New Town and Christ Church | 51.88624 | 0.893121 | 599200 | 224809 | TL991248 |
| CO3 3AL | New Town and Christ Church | 51.884945 | 0.890219 | 599006 | 224657 | TL990246 |
| CO3 3AN | New Town and Christ Church | 51.884635 | 0.888905 | 598917 | 224619 | TL989246 |
| CO3 3AP | New Town and Christ Church | 51.884237 | 0.889025 | 598927 | 224575 | TL989245 |
| CO3 3AQ | New Town and Christ Church | 51.886074 | 0.891846 | 599113 | 224787 | TL991247 |