CO3 is a postcode district in Colchester, UK. Below is a complete list of CO3 Postcodes (Active). CO3 postcode district comprises of 860 active postcodes and 6 postcode sectors. CO3 district has a population of 28502, and it has 12063 properties in the region.
| Population | 28502 |
| Addresses / Property Count | 12063 |
| Active Postcodes | 860 |
| Nearby Postcode Districts | 15 |
| Active Postcode Sectors | 6 |
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| Postcode | Latitude | Longitude | Households | Population | Easting | Northing |
|---|---|---|---|---|---|---|
| CO3 4AU | 51.89690500 | 0.86624500 | 4 | 6 | 597304 | 225922 |
| CO3 4AZ | 51.89848300 | 0.87690000 | 4 | 9 | 598030 | 226126 |
| CO3 4BH | 51.89022300 | 0.86294200 | 10 | 23 | 597106 | 225170 |
| CO3 4BJ | 51.89010700 | 0.85956200 | 1 | 2 | 596874 | 225148 |
| CO3 4BL | 51.88989600 | 0.86268800 | 4 | 7 | 597090 | 225133 |
| CO3 4BN | 51.88980200 | 0.85967300 | 4 | 9 | 596883 | 225114 |
| CO3 4BP | 51.88904900 | 0.85871000 | 11 | 21 | 596820 | 225028 |
| CO3 4BS | 51.88909400 | 0.85945400 | 11 | 20 | 596871 | 225035 |
| CO3 4BT | 51.87110500 | 0.85988100 | N/A | N/A | 596979 | 223036 |
| CO3 4BU | 51.87911600 | 0.86341200 | N/A | N/A | 597187 | 223936 |
| CO3 4BZ | 51.88954700 | 0.85781100 | 18 | 32 | 596756 | 225081 |
| CO3 4DA | 51.89004000 | 0.85825000 | 10 | 32 | 596784 | 225137 |
| CO3 4DB | 51.89109900 | 0.85503200 | 1 | 3 | 596558 | 225246 |
| CO3 4DD | 51.88967700 | 0.85690400 | 4 | 7 | 596693 | 225093 |
| CO3 4DE | 51.88964100 | 0.85581200 | 22 | 66 | 596618 | 225086 |
| CO3 4DF | 51.88962000 | 0.85371700 | 6 | 20 | 596474 | 225078 |
| CO3 4DG | 51.88963200 | 0.85283100 | 4 | 6 | 596413 | 225077 |
| CO3 4DH | 51.88379600 | 0.85589000 | 27 | 66 | 596649 | 224436 |
| CO3 4DJ | 51.88347700 | 0.85851600 | 32 | 82 | 596831 | 224408 |
| CO3 4DL | 51.88300200 | 0.85697500 | 7 | 16 | 596727 | 224351 |
| CO3 4DP | 51.88276300 | 0.85807800 | 48 | 60 | 596804 | 224327 |
| CO3 4DQ | 51.88889300 | 0.85326400 | 6 | 15 | 596446 | 224996 |
| CO3 4DT | 51.88537000 | 0.86277800 | 14 | 38 | 597116 | 224630 |
| CO3 4DU | 51.88423500 | 0.86176200 | 15 | 42 | 597051 | 224501 |
| CO3 4DX | 51.88506200 | 0.86139300 | 3 | 6 | 597022 | 224592 |
| CO3 4DZ | 51.88388100 | 0.86335200 | 21 | 50 | 597162 | 224466 |
| CO3 4EA | 51.88290400 | 0.86175000 | 41 | 110 | 597056 | 224353 |
| CO3 4ED | 51.88144100 | 0.86497000 | 19 | 41 | 597284 | 224199 |
| CO3 4EE | 51.88273900 | 0.86447100 | 23 | 45 | 597244 | 224342 |
| CO3 4EF | 51.87851900 | 0.86344700 | 6 | 19 | 597192 | 223870 |
| CO3 4EG | 51.87900200 | 0.86466900 | 15 | 36 | 597274 | 223927 |
| CO3 4EH | 51.88058700 | 0.86619400 | 2 | 3 | 597372 | 224107 |
| CO3 4EJ | 51.88286300 | 0.86564200 | 33 | 64 | 597324 | 224359 |
| CO3 4EL | 51.88331500 | 0.86594700 | 12 | 21 | 597343 | 224410 |
| CO3 4EN | 51.88358100 | 0.86719900 | 27 | 49 | 597428 | 224443 |
| CO3 4EP | 51.88388000 | 0.86598300 | 13 | 19 | 597343 | 224473 |
| CO3 4EQ | 51.87991700 | 0.86477100 | 16 | 37 | 597277 | 224029 |
| CO3 4ER | 51.88395900 | 0.86459200 | 27 | 67 | 597247 | 224478 |
| CO3 4EW | 51.88445300 | 0.86572800 | 27 | 50 | 597323 | 224536 |
| CO3 4HA | 51.88736400 | 0.85475200 | 23 | 57 | 596555 | 224830 |
| CO3 4HB | 51.88683900 | 0.85454400 | 6 | 27 | 596543 | 224771 |
| CO3 4HD | 51.88900900 | 0.85514700 | 16 | 41 | 596575 | 225014 |
| CO3 4HE | 51.88766800 | 0.85668900 | 17 | 45 | 596687 | 224869 |
| CO3 4HF | 51.88852800 | 0.85754300 | 14 | 32 | 596742 | 224967 |
| CO3 4HG | 51.88867500 | 0.85631700 | 44 | 123 | 596657 | 224980 |
| CO3 4HH | 51.88733000 | 0.85615900 | 12 | 21 | 596652 | 224830 |
| CO3 4HJ | 51.88664400 | 0.85700200 | 9 | 21 | 596713 | 224756 |
| CO3 4HL | 51.88607900 | 0.85769300 | 10 | 34 | 596763 | 224695 |
| CO3 4HN | 51.88636300 | 0.85932400 | 35 | 63 | 596874 | 224731 |
| CO3 4HP | 51.88774300 | 0.86247900 | 7 | 14 | 597085 | 224893 |