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 0AA | 51.89447600 | 0.91785400 | 16 | 25 | 600865 | 225793 |
| CO4 0AD | 51.89494500 | 0.91707100 | N/A | N/A | 600809 | 225843 |
| CO4 0AE | 51.89574500 | 0.91818400 | 9 | 17 | 600882 | 225935 |
| CO4 0AF | 51.89682000 | 0.91870400 | 31 | 66 | 600913 | 226056 |
| CO4 0AG | 51.89681600 | 0.92033200 | 11 | 24 | 601025 | 226060 |
| CO4 0AH | 51.89624700 | 0.92222800 | 46 | 121 | 601158 | 226002 |
| CO4 0AJ | 51.89610400 | 0.92075100 | 26 | 68 | 601057 | 225982 |
| CO4 0AL | 51.89771600 | 0.91884900 | 10 | 25 | 600919 | 226156 |
| CO4 0AN | 51.89807000 | 0.91725900 | 28 | 75 | 600808 | 226191 |
| CO4 0AP | 51.89624000 | 0.91671800 | 47 | 97 | 600779 | 225986 |
| CO4 0AQ | 51.89733200 | 0.92056900 | 14 | 43 | 601039 | 226118 |
| CO4 0AR | 51.89666400 | 0.91741400 | 26 | 62 | 600825 | 226035 |
| CO4 0AS | 51.89748200 | 0.91595600 | 24 | 64 | 600721 | 226122 |
| CO4 0AT | 51.89752700 | 0.91741200 | 22 | 46 | 600821 | 226131 |
| CO4 0AU | 51.89833800 | 0.91553100 | 23 | 55 | 600688 | 226216 |
| CO4 0AW | 51.89749000 | 0.91780200 | 12 | 27 | 600848 | 226128 |
| CO4 0AX | 51.89876700 | 0.91817600 | 19 | 29 | 600868 | 226271 |
| CO4 0AY | 51.89843400 | 0.91965200 | 43 | 86 | 600971 | 226238 |
| CO4 0AZ | 51.89519200 | 0.91729000 | 51 | 95 | 600823 | 225871 |
| CO4 0BA | 51.89711900 | 0.91862200 | 14 | 30 | 600906 | 226089 |
| CO4 0BB | 51.91234600 | 0.92945400 | N/A | N/A | 601583 | 227812 |
| CO4 0BG | 51.89488900 | 0.91932000 | 6 | 17 | 600964 | 225843 |
| CO4 0BH | 51.89452700 | 0.92197100 | 15 | 37 | 601148 | 225810 |
| CO4 0BJ | 51.89506400 | 0.92100300 | 48 | 115 | 601079 | 225867 |
| CO4 0BL | 51.89593800 | 0.91997000 | 15 | 53 | 601004 | 225961 |
| CO4 0BN | 51.89521600 | 0.91958800 | 11 | 34 | 600981 | 225880 |
| CO4 0BP | 51.89588500 | 0.92415300 | 34 | 113 | 601292 | 225967 |
| CO4 0BQ | 51.89450200 | 0.92079200 | 21 | 57 | 601067 | 225804 |
| CO4 0BS | 51.89431100 | 0.92304800 | 14 | 44 | 601223 | 225789 |
| CO4 0BT | 51.89391100 | 0.92357400 | 8 | 20 | 601261 | 225746 |
| CO4 0BU | 51.89448300 | 0.92480300 | 38 | 117 | 601343 | 225813 |
| CO4 0BW | 51.89542800 | 0.92370200 | 42 | 128 | 601263 | 225915 |
| CO4 0BX | 51.89501600 | 0.92617500 | 8 | 19 | 601435 | 225876 |
| CO4 0BY | 51.89554300 | 0.92559900 | 22 | 61 | 601393 | 225933 |
| CO4 0BZ | 51.89676200 | 0.92575100 | 13 | 34 | 601398 | 226069 |
| CO4 0DA | 51.89689600 | 0.92397100 | 38 | 95 | 601275 | 226079 |
| CO4 0DB | 51.89740400 | 0.92234700 | 44 | 117 | 601161 | 226131 |
| CO4 0DD | 51.89797500 | 0.92111900 | 11 | 28 | 601074 | 226191 |
| CO4 0DE | 51.89815300 | 0.92225000 | 8 | 23 | 601151 | 226214 |
| CO4 0DF | 51.89882900 | 0.92255600 | 33 | 96 | 601169 | 226290 |
| CO4 0DG | 51.89894400 | 0.92445300 | 27 | 102 | 601299 | 226308 |
| CO4 0DH | 51.89950200 | 0.92697600 | 5 | 15 | 601470 | 226377 |
| CO4 0DJ | 51.89864400 | 0.92747200 | 26 | 40 | 601508 | 226283 |
| CO4 0DL | 51.89838000 | 0.92614700 | 28 | 70 | 601418 | 226250 |
| CO4 0DP | 51.89771100 | 0.92700400 | 14 | 16 | 601480 | 226178 |
| CO4 0DQ | 51.89916000 | 0.92625500 | 13 | 46 | 601422 | 226337 |
| CO4 0DR | 51.89798900 | 0.92812700 | 8 | 23 | 601556 | 226212 |
| CO4 0DS | 51.89744800 | 0.92567900 | 17 | 32 | 601390 | 226145 |
| CO4 0DT | 51.89714800 | 0.92518000 | 8 | 23 | 601357 | 226110 |
| CO4 0DU | 51.89730400 | 0.92674500 | 30 | 39 | 601464 | 226132 |