CO4 is a postcode district in Colchester, UK. Below is a complete list of CO4 Postcodes (Active). CO4 postcode district comprises of 1167 active postcodes and 7 postcode sectors. CO4 district has a population of 47821, and it has 18794 properties in the region.
| Population | 47821 |
| Addresses / Property Count | 18794 |
| Active Postcodes | 1167 |
| Nearby Postcode Districts | 15 |
| Active Postcode Sectors | 7 |
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| Postcode | Latitude | Longitude | Households | Population | Easting | Northing |
|---|---|---|---|---|---|---|
| CO4 0QA | 51.90128400 | 0.92546300 | 20 | 51 | 601358 | 226571 |
| CO4 0QB | 51.90187900 | 0.92542900 | 13 | 33 | 601353 | 226637 |
| CO4 0QD | 51.90105500 | 0.92742500 | 17 | 52 | 601494 | 226551 |
| CO4 0QE | 51.90104300 | 0.92684300 | 11 | 31 | 601454 | 226548 |
| CO4 0QF | 51.90091300 | 0.92484300 | 30 | 73 | 601317 | 226528 |
| CO4 0QG | 51.90046200 | 0.92635500 | 28 | 67 | 601423 | 226482 |
| CO4 0QH | 51.90033600 | 0.92454400 | 13 | 44 | 601299 | 226463 |
| CO4 0QJ | 51.90213300 | 0.93505600 | 5 | 9 | 602014 | 226692 |
| CO4 0QL | 51.90044700 | 0.92331500 | 15 | 29 | 601214 | 226472 |
| CO4 0QN | 51.90187600 | 0.92409100 | 9 | 20 | 601261 | 226633 |
| CO4 0QW | 51.91106700 | 0.93062200 | 19 | 38 | 601669 | 227673 |
| CO4 0RA | 51.90805700 | 0.92871000 | 9 | 19 | 601551 | 227333 |
| CO4 0SA | 51.90331900 | 0.92246900 | 9 | 32 | 601143 | 226789 |
| CO4 0XB | 51.89384300 | 0.91726100 | 35 | 43 | 600827 | 225721 |
| CO4 0YP | 51.90680600 | 0.93413900 | 10 | 23 | 601930 | 227209 |
| CO4 0YW | 51.90467500 | 0.93701000 | 15 | 33 | 602137 | 226980 |
| CO4 0ZE | 51.89425300 | 0.92105200 | 8 | 12 | 601086 | 225777 |
| CO4 0ZN | 51.88951900 | 0.91609400 | N/A | N/A | 600766 | 225237 |
| CO4 3AA | 51.88275500 | 0.93350200 | 33 | 101 | 601994 | 224533 |
| CO4 3AB | 51.88210100 | 0.93447700 | 16 | 23 | 602064 | 224463 |
| CO4 3AD | 51.88119200 | 0.93558000 | 1 | 4 | 602144 | 224365 |
| CO4 3AE | 51.88281000 | 0.93272100 | 12 | 24 | 601940 | 224537 |
| CO4 3AF | 51.88951900 | 0.91609400 | N/A | N/A | 600766 | 225237 |
| CO4 3AG | 51.88592100 | 0.93168800 | 27 | 82 | 601855 | 224880 |
| CO4 3AH | 51.89401700 | 0.92039700 | 59 | 70 | 601042 | 225749 |
| CO4 3AJ | 51.88923800 | 0.92572700 | 13 | 34 | 601430 | 225232 |
| CO4 3AL | 51.88977000 | 0.92628500 | 25 | 63 | 601466 | 225293 |
| CO4 3AN | 51.89080400 | 0.92305200 | 14 | 140 | 601239 | 225399 |
| CO4 3AP | 51.89125100 | 0.92386600 | 22 | 62 | 601293 | 225451 |
| CO4 3AQ | 51.88840500 | 0.92834700 | 19 | 44 | 601614 | 225147 |
| CO4 3AR | 51.89275500 | 0.92522900 | 16 | 40 | 601380 | 225622 |
| CO4 3AS | 51.89224900 | 0.92425100 | 20 | 48 | 601315 | 225563 |
| CO4 3AT | 51.89289800 | 0.92672100 | 37 | 98 | 601482 | 225642 |
| CO4 3AU | 51.89372100 | 0.92651200 | 8 | 13 | 601464 | 225733 |
| CO4 3AW | 51.89049200 | 0.92220400 | 14 | 38 | 601182 | 225362 |
| CO4 3AX | 51.89389600 | 0.92709100 | 5 | 12 | 601503 | 225754 |
| CO4 3AY | 51.89341100 | 0.92884700 | 3 | 10 | 601626 | 225705 |
| CO4 3AZ | 51.89225600 | 0.92758000 | 33 | 66 | 601544 | 225573 |
| CO4 3BA | 51.89245800 | 0.92704100 | 20 | 46 | 601506 | 225594 |
| CO4 3BB | 51.89168900 | 0.92504300 | 34 | 77 | 601372 | 225503 |
| CO4 3BD | 51.89065600 | 0.92535400 | 12 | 27 | 601398 | 225389 |
| CO4 3BE | 51.88736900 | 0.92987800 | 18 | 59 | 601724 | 225036 |
| CO4 3BH | 51.88951400 | 0.92429100 | 28 | 76 | 601330 | 225259 |
| CO4 3BJ | 51.89321700 | 0.92547700 | 5 | 15 | 601395 | 225674 |
| CO4 3BL | 51.88244500 | 0.93476100 | 16 | 32 | 602082 | 224502 |
| CO4 3BN | 51.89055000 | 0.92021600 | 11 | 23 | 601045 | 225363 |
| CO4 3BP | 51.89069800 | 0.92151900 | 34 | 67 | 601134 | 225383 |
| CO4 3BS | 51.89260400 | 0.92189000 | 0 | 30 | 601151 | 225596 |
| CO4 3BT | 51.89297100 | 0.92195800 | 12 | 26 | 601154 | 225637 |
| CO4 3BU | 51.89218700 | 0.92276400 | 11 | 33 | 601213 | 225552 |