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 3BW | 51.89105400 | 0.92129500 | 20 | 35 | 601117 | 225422 |
| CO4 3BX | 51.89290500 | 0.92353800 | 7 | 15 | 601263 | 225634 |
| CO4 3BY | 51.89314000 | 0.92311700 | 9 | 16 | 601233 | 225659 |
| CO4 3BZ | 51.89343400 | 0.92360100 | 9 | 26 | 601265 | 225693 |
| CO4 3DA | 51.89329000 | 0.92433300 | 1 | 2 | 601316 | 225679 |
| CO4 3DB | 51.89390000 | 0.92559400 | 30 | 73 | 601400 | 225750 |
| CO4 3DD | 51.89405100 | 0.92521100 | 36 | 74 | 601373 | 225766 |
| CO4 3DE | 51.89483700 | 0.92686100 | 16 | 33 | 601483 | 225858 |
| CO4 3DF | 51.89462800 | 0.92766200 | 16 | 42 | 601539 | 225837 |
| CO4 3DG | 51.89496700 | 0.92849800 | 3 | 8 | 601595 | 225877 |
| CO4 3DH | 51.89554700 | 0.92904400 | 14 | 26 | 601630 | 225943 |
| CO4 3DJ | 51.89521000 | 0.92813600 | 4 | 11 | 601569 | 225903 |
| CO4 3DL | 51.89634300 | 0.93140700 | 18 | 38 | 601789 | 226038 |
| CO4 3DN | 51.89617700 | 0.93226900 | 17 | 44 | 601849 | 226022 |
| CO4 3DP | 51.89677200 | 0.93114500 | 19 | 52 | 601769 | 226085 |
| CO4 3DQ | 51.89524800 | 0.92914100 | 12 | 31 | 601638 | 225910 |
| CO4 3DR | 51.89979000 | 0.93275100 | 6 | 7 | 601866 | 226425 |
| CO4 3DS | 51.89892600 | 0.92951100 | 20 | 56 | 601647 | 226320 |
| CO4 3DT | 51.89781900 | 0.93099500 | 30 | 68 | 601754 | 226201 |
| CO4 3DU | 51.89716200 | 0.93243500 | 13 | 35 | 601856 | 226132 |
| CO4 3DW | 51.89023000 | 0.92116900 | 6 | 10 | 601112 | 225330 |
| CO4 3DX | 51.89969500 | 0.93004100 | 29 | 65 | 601680 | 226407 |
| CO4 3DY | 51.89942800 | 0.93246600 | 27 | 71 | 601848 | 226384 |
| CO4 3DZ | 51.90023700 | 0.93283900 | 31 | 59 | 601870 | 226475 |
| CO4 3EA | 51.90021200 | 0.93131100 | 22 | 54 | 601765 | 226468 |
| CO4 3EB | 51.89975400 | 0.93418800 | 11 | 34 | 601965 | 226425 |
| CO4 3ED | 51.90050100 | 0.93415000 | 40 | 68 | 601959 | 226508 |
| CO4 3EE | 51.89922600 | 0.93227800 | 16 | 20 | 601836 | 226361 |
| CO4 3EF | 51.89912800 | 0.93017900 | 2 | 3 | 601692 | 226344 |
| CO4 3EG | 51.89842700 | 0.93147100 | 41 | 96 | 601784 | 226270 |
| CO4 3EH | 51.89253600 | 0.92027200 | 38 | 98 | 601040 | 225584 |
| CO4 3EJ | 51.89704900 | 0.94379600 | 20 | 55 | 602638 | 226151 |
| CO4 3EL | 51.89702400 | 0.94335800 | 3 | 6 | 602608 | 226147 |
| CO4 3EN | 51.89652800 | 0.94415400 | 16 | 38 | 602665 | 226094 |
| CO4 3EP | 51.90457900 | 0.94228200 | 3 | 5 | 602500 | 226984 |
| CO4 3EQ | 51.89370100 | 0.92119100 | 31 | 61 | 601098 | 225716 |
| CO4 3ER | 51.90473300 | 0.94905300 | 1 | 1 | 602965 | 227020 |
| CO4 3ES | 51.90595700 | 0.94305600 | 2 | 4 | 602547 | 227139 |
| CO4 3EU | 51.89748400 | 0.93361900 | 4 | 10 | 601936 | 226171 |
| CO4 3EW | 51.89622700 | 0.94429400 | 5 | 11 | 602676 | 226061 |
| CO4 3EX | 51.89820200 | 0.93619500 | 8 | 19 | 602110 | 226258 |
| CO4 3EY | 51.89824000 | 0.93680800 | 7 | 12 | 602152 | 226264 |
| CO4 3EZ | 51.89954600 | 0.93600700 | 31 | 73 | 602091 | 226407 |
| CO4 3FA | 51.87869100 | 0.95262200 | N/A | N/A | 603328 | 224134 |
| CO4 3FB | 51.89380200 | 0.94740600 | 20 | 49 | 602901 | 225800 |
| CO4 3FD | 51.89435300 | 0.94731200 | 13 | 30 | 602892 | 225861 |
| CO4 3FE | 51.89575300 | 0.94670500 | 23 | 65 | 602844 | 226015 |
| CO4 3FF | 51.89506600 | 0.94722700 | 15 | 44 | 602883 | 225940 |
| CO4 3FG | 51.89330900 | 0.94626900 | 31 | 82 | 602825 | 225742 |
| CO4 3FH | 51.89486000 | 0.94504800 | 16 | 48 | 602734 | 225911 |