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 5XF | 51.94868000 | 0.93560700 | 7 | 10 | 601843 | 231869 |
| CO4 5XG | 51.90261400 | 0.89865200 | 42 | 112 | 599508 | 226645 |
| CO4 5XH | 51.90728200 | 0.90370800 | 36 | 80 | 599835 | 227178 |
| CO4 5XJ | 51.90806000 | 0.90391800 | 12 | 21 | 599846 | 227265 |
| CO4 5XL | 51.90696000 | 0.89452700 | N/A | N/A | 599205 | 227117 |
| CO4 5XN | 51.91815000 | 0.90407600 | N/A | N/A | 599812 | 228387 |
| CO4 5XP | 51.91207300 | 0.89068200 | 5 | 18 | 598918 | 227675 |
| CO4 5XQ | 51.92023400 | 0.90915500 | 38 | 130 | 600152 | 228633 |
| CO4 5XR | 51.90630100 | 0.89497900 | 0 | 40 | 599239 | 227045 |
| CO4 5XS | 51.92034800 | 0.90852200 | 3 | 9 | 600108 | 228644 |
| CO4 5XT | 51.90663100 | 0.89949300 | N/A | N/A | 599548 | 227094 |
| CO4 5XU | 51.90312300 | 0.87498600 | N/A | N/A | 597878 | 226637 |
| CO4 5XW | 51.90420800 | 0.90036900 | 22 | 62 | 599619 | 226827 |
| CO4 5XX | 51.91920200 | 0.90757500 | N/A | N/A | 600048 | 228514 |
| CO4 5XY | 51.91152200 | 0.89091000 | N/A | N/A | 598936 | 227614 |
| CO4 5XZ | 51.91982900 | 0.90515800 | N/A | N/A | 599879 | 228577 |
| CO4 5YA | 51.91636400 | 0.90561700 | 24 | 68 | 599926 | 228193 |
| CO4 5YB | 51.95504500 | 0.95560200 | N/A | N/A | 603188 | 232632 |
| CO4 5YD | 51.88953000 | 0.91612400 | N/A | N/A | 600768 | 225238 |
| CO4 5YE | 51.92486600 | 0.91712000 | 78 | 123 | 600679 | 229170 |
| CO4 5YF | 51.90629800 | 0.88302600 | 2 | 6 | 598417 | 227012 |
| CO4 5YG | 51.90431100 | 0.88521100 | 9 | 26 | 598576 | 226797 |
| CO4 5YH | 51.90382300 | 0.88531000 | 27 | 46 | 598585 | 226743 |
| CO4 5YJ | 51.90254000 | 0.87711500 | 20 | 37 | 598027 | 226578 |
| CO4 5YL | 51.90375700 | 0.88505900 | 25 | 56 | 598568 | 226735 |
| CO4 5YN | 51.95527900 | 0.91593800 | N/A | N/A | 600462 | 232548 |
| CO4 5YP | 51.90306400 | 0.88434600 | 9 | 28 | 598522 | 226656 |
| CO4 5YQ | 51.92454100 | 0.91656300 | N/A | N/A | 600642 | 229132 |
| CO4 5YR | 51.90241200 | 0.88488600 | 57 | 116 | 598562 | 226585 |
| CO4 5YS | 51.90345500 | 0.88528700 | 51 | 109 | 598585 | 226702 |
| CO4 5YT | 51.90277700 | 0.88470500 | 34 | 59 | 598548 | 226625 |
| CO4 5YU | 51.91863600 | 0.90537200 | N/A | N/A | 599899 | 228445 |
| CO4 5YW | 51.91961300 | 0.90370400 | N/A | N/A | 599780 | 228549 |
| CO4 5YX | 51.92540700 | 0.89861000 | N/A | N/A | 599404 | 229179 |
| CO4 5YZ | 51.92710900 | 0.91514200 | N/A | N/A | 600533 | 229414 |
| CO4 5ZA | 51.90391700 | 0.89648300 | 64 | 140 | 599353 | 226784 |
| CO4 5ZB | 51.90357700 | 0.89713000 | 31 | 56 | 599399 | 226748 |
| CO4 5ZD | 51.92455600 | 0.91257600 | N/A | N/A | 600368 | 229123 |
| CO4 5ZE | 51.90899800 | 0.89321800 | 6 | 9 | 599106 | 227340 |
| CO4 5ZF | 51.91516700 | 0.89117300 | 17 | 29 | 598938 | 228020 |
| CO4 5ZG | 51.92234000 | 0.91598200 | 57 | 107 | 600612 | 228886 |
| CO4 5ZH | 51.92235800 | 0.91717700 | 10 | 26 | 600694 | 228891 |
| CO4 5ZJ | 51.92296400 | 0.91654600 | 54 | 105 | 600648 | 228957 |
| CO4 5ZL | 51.92202900 | 0.91437600 | 9 | 28 | 600503 | 228847 |
| CO4 5ZN | 51.92254100 | 0.91403100 | 53 | 142 | 600477 | 228903 |
| CO4 5ZP | 51.91908400 | 0.90543000 | N/A | N/A | 599901 | 228495 |
| CO4 5ZQ | 51.92289300 | 0.91505800 | 15 | 42 | 600546 | 228945 |
| CO4 5ZR | 51.92285000 | 0.91573800 | 9 | 20 | 600593 | 228942 |
| CO4 5ZS | 51.94163000 | 0.92907800 | N/A | N/A | 601426 | 231067 |
| CO4 5ZT | 51.92266500 | 0.91264300 | 11 | 30 | 600381 | 228913 |