Prefix CO contains 16 postcode records across 199 mapped localities in United Kingdom.
| Postal Code | Locality / District | Administrative Area | Coordinates |
|---|---|---|---|
| Colchester | Essex · England | 51.8892, 0.9042 | |
| Poslingford | Suffolk · England | 52.1021, 0.5848 | |
| Knowl Green | Essex · England | 52.0601, 0.612 | |
| Lavenham | Suffolk · England | 52.1086, 0.7962 | |
| Liston | Essex · England | 52.0667, 0.7 | |
| Little Waldingfield | Suffolk · England | 52.0723, 0.806 | |
| Long Melford | Suffolk · England | 52.0748, 0.7164 | |
| Middleton | Essex · England | 52.0225, 0.7268 | |
| Newton | Suffolk · England | 52.0305, 0.7961 | |
| Ovington | Essex · England | 52.0517, 0.5764 | |
| Pentlow | Essex · England | 52.0743, 0.6435 | |
| Preston | Suffolk · England | 52.1167, 0.8333 | |
| Groton | Suffolk · England | 52.0469, 0.8619 | |
| Puttock End | Essex · England | 52.0601, 0.612 | |
| Rodbridge Corner | Essex · England | 52.0601, 0.612 | |
| Sackers Green | Essex · England | 52.0601, 0.612 | |
| Stansfield | Suffolk · England | 52.1375, 0.6016 | |
| Stanstead | Suffolk · England | 52.111, 0.6924 | |
| Stoke by Clare | Suffolk · England | 52.0624, 0.5383 | |
| Sudbury | Suffolk · England | 52.0389, 0.7312 | |
| Twinstead | Essex · England | 51.994, 0.705 | |
| Wixoe | Suffolk · England | 52.0595, 0.5039 | |
| Acton | Suffolk · England | 52.0706, 0.7619 | |
| Hundon | Suffolk · England | 52.1099, 0.5364 | |
| Henny Street | Essex · England | 52.0601, 0.612 | |
| Great Waldingfield | Suffolk · England | 52.0554, 0.7744 | |
| Bridge Street | Essex · England | 52.0601, 0.612 | |
| Alpheton | Suffolk · England | 52.1233, 0.7476 | |
| Ashen | Essex · England | 52.0517, 0.5465 | |
| Assington | Suffolk · England | 52.0084, 0.8165 | |
| Ballingdon | Essex · England | 52.0601, 0.612 | |
| Belchamp Otten | Essex · England | 52.0444, 0.6287 | |
| Belchamp St Paul | Essex · England | 52.0504, 0.612 | |
| Belchamp Walter | Essex · England | 52.0352, 0.65 | |
| Borley | Essex · England | 52.0542, 0.6922 | |
| Boxford | Suffolk · England | 52.0286, 0.8593 | |
| Brent Eleigh | Suffolk · England | 52.0954, 0.8344 | |
| Brook Street | Essex · England | 52.0601, 0.612 | |
| Bulmer | Essex · England | 52.0177, 0.6928 | |
| Bulmer Tye | Essex · England | 52.0601, 0.612 | |
| Cavendish | Suffolk · England | 52.0872, 0.6335 | |
| Chilton Street | Essex · England | 52.0601, 0.612 | |
| Clare | Suffolk · England | 52.0786, 0.5817 | |
| Edwardstone | Suffolk · England | 52.0443, 0.832 | |
| Foxearth | Essex · England | 52.0691, 0.6759 | |
| Glemsford | Suffolk · England | 52.1035, 0.6691 | |
| Great Cornard | Suffolk · England | 52.0307, 0.7581 | |
| Great Henny | Essex · England | 52.0073, 0.7246 | |
| Little Bromley | Essex · England | 51.9167, 1.0458 | |
| Wrabness | Essex · England | 51.9334, 1.1612 | |
| Wix | Essex · England | 51.9123, 1.143 | |
| New Mistley | Essex · England | 51.9291, 1.0935 | |
| Manningtree | Essex · England | 51.9454, 1.0611 | |
| Bradfield Heath | Essex · England | 51.9291, 1.0935 | |
| Lawford | Essex · England | 51.9333, 1.0333 | |
| Brantham | Suffolk · England | 51.9635, 1.0663 | |
| Bradfield | Essex · England | 51.9333, 1.1167 | |
| Horsleycross Street | Essex · England | 51.9291, 1.0935 | |
| Cattawade | Essex · England | 51.9291, 1.0935 | |
| Horsley Cross | Essex · England | 51.9291, 1.0935 | |
| Dovercourt | Essex · England | 51.9365, 1.2783 | |
| Great Oakley | Essex · England | 51.9031, 1.1881 | |
| Harwich | Essex · England | 51.9419, 1.2844 | |
| Little Oakley | Essex · England | 51.9158, 1.2227 | |
| Ramsey | Essex · England | 51.9287, 1.2167 | |
| Stones Green | Essex · England | 51.9281, 1.2405 | |
| Upper Dovercourt | Essex · England | 51.9281, 1.2405 | |
| Parkeston | Essex · England | 51.9426, 1.2527 | |
| Frinton-on-Sea | Essex · England | 51.8306, 1.2442 | |
| Great Holland | Essex · England | 51.8282, 1.2096 | |
| Kirby Cross | Essex · England | 51.8418, 1.2188 | |
| Kirby le Soken | Essex · England | 51.8362, 1.2249 | |
| Walton-on-Naze | Essex · England | 51.8482, 1.2674 | |
| Holland-on-Sea | Essex · England | 51.8063, 1.1938 | |
| Jaywick | Essex · England | 51.8002, 1.1682 | |
| Clacton-on-Sea | Essex · England | 51.7897, 1.156 | |
| Great Clacton | Essex · England | 51.8046, 1.1547 | |
| Beaumont | Essex · England | 51.8211, 1.1226 | |
| Little Clacton | Essex · England | 51.8256, 1.1421 | |
| Row Heath | Essex · England | 51.8211, 1.1226 | |
| Seawick | Essex · England | 51.8211, 1.1226 | |
| St Osyth | Essex · England | 51.8, 1.0833 | |
| Tendring | Essex · England | 51.8818, 1.1085 | |
| Thorpe-le-Soken | Essex · England | 51.856, 1.1658 | |
| Weeley | Essex · England | 51.8581, 1.1163 | |
| Weeley Heath | Essex · England | 51.8211, 1.1226 | |
| Layer de la Haye | Essex · England | 51.8459, 0.8574 | |
| Shrub End | Essex · England | 51.8694, 0.8941 | |
| Old Heath | Essex · England | 51.8694, 0.8941 | |
| Birch Green | Essex · England | 51.8694, 0.8941 | |
| Layer Breton | Essex · England | 51.828, 0.8216 | |
| Hardy's Green | Essex · England | 51.8694, 0.8941 | |
| Blackheath | Essex · England | 51.8694, 0.8941 | |
| Birch | Essex · England | 51.8333, 0.8167 | |
| Beacon End | Essex · England | 51.8847, 0.859 | |
| Heckfordbridge | Essex · England | 51.8847, 0.859 | |
| Stanway | Essex · England | 51.8834, 0.8385 | |
| Mile End | Essex · England | 51.9167, 0.9 | |
| Langham Moor | Essex · England | 51.9086, 0.9209 | |
| Boxted Cross | Essex · England | 51.9086, 0.9209 | |
| Langham | Essex · England | 51.9488, 0.9433 | |
| Blacksmith's Corner | Essex · England | 51.9086, 0.9209 | |
| Boxted | Essex · England | 51.95, 0.9167 | |
| Layer Marney | Essex · England | 51.8287, 0.7946 | |
| West Mersea | Essex · England | 51.778, 0.9187 | |
| Tiptree Heath | Essex · England | 51.8271, 0.8248 | |
| Smythe's Green | Essex · England | 51.8271, 0.8248 | |
| Rowhedge | Essex · England | 51.8574, 0.9453 | |
| Peldon | Essex · England | 51.8131, 0.8855 | |
| Messing | Essex · England | 51.8372, 0.7524 | |
| Tiptree | Essex · England | 51.8126, 0.7489 | |
| Langenhoe | Essex · England | 51.8305, 0.9144 | |
| Inworth | Essex · England | 51.8268, 0.7273 | |
| Great Wigborough | Essex · England | 51.803, 0.8384 | |
| Fingringhoe | Essex · England | 51.8447, 0.9442 | |
| Feering | Essex · England | 51.8495, 0.7261 | |
| East Mersea | Essex · England | 51.7919, 0.9762 | |
| Abberton | Essex · England | 51.8343, 0.9108 | |
| Kelvedon | Essex · England | 51.8401, 0.7057 | |
| Stoke-by-Nayland | Suffolk · England | 51.9833, 0.9 | |
| Little Tey | Essex · England | 51.939, 0.8209 | |
| Marks Tey | Essex · England | 51.8763, 0.7642 | |
| Nayland | Suffolk · England | 51.9725, 0.8714 | |
| Polstead | Suffolk · England | 52.0072, 0.9024 | |
| Rose Green | Essex · England | 51.939, 0.8209 | |
| West Bergholt | Essex · England | 51.9122, 0.8499 | |
| Swan Street | Essex · England | 51.939, 0.8209 | |
| Thorington Street | Essex · England | 51.939, 0.8209 | |
| Wakes Colne | Essex · England | 51.9313, 0.7581 | |
| White Colne | Essex · England | 51.9363, 0.7275 | |
| Wissington | Suffolk · England | 51.9654, 0.8465 | |
| Leavenheath | Suffolk · England | 51.9939, 0.8424 | |
| Little Horkesley | Essex · England | 51.939, 0.8209 | |
| Wormingford | Essex · England | 51.9488, 0.8086 | |
| Horkesley Heath | Essex · England | 51.939, 0.8209 | |
| Copford Green | Essex · England | 51.939, 0.8209 | |
| Honey Tye | Essex · England | 51.939, 0.8209 | |
| Aldham | Essex · England | 51.8987, 0.7829 | |
| Broad Green | Essex · England | 51.939, 0.8209 | |
| Coggeshall | Essex · England | 51.8708, 0.6854 | |
| Coggeshall Hamlet | Essex · England | 51.939, 0.8209 | |
| Colne Engaine | Essex · England | 51.9424, 0.6932 | |
| Chappel | Essex · England | 51.9213, 0.7534 | |
| Earls Colne | Essex · England | 51.9274, 0.7011 | |
| Eight Ash Green | Essex · England | 51.8959, 0.8228 | |
| Fordham | Essex · England | 51.9167, 0.8 | |
| Fordstreet | Essex · England | 51.939, 0.8209 | |
| Great Horkesley | Essex · England | 51.9382, 0.8755 | |
| Easthorpe | Essex · England | 51.939, 0.8209 | |
| Great Tey | Essex · England | 51.8993, 0.749 | |
| Lamb Corner | Essex · England | 51.8828, 1.0046 | |
| Hare Green | Essex · England | 51.8828, 1.0046 | |
| Higham | Essex · England | 51.9667, 0.9667 | |
| Thorrington | Essex · England | 51.8412, 1.0389 | |
| Little Bentley | Essex · England | 51.8901, 1.0755 | |
| Little Wenham | Essex · England | 51.8828, 1.0046 | |
| Stratford St Mary | Essex · England | 51.8828, 1.0046 | |
| Wivenhoe | Essex · England | 51.8555, 0.958 | |
| Great Bromley | Essex · England | 51.8833, 1.0333 | |
| Great Wenham | Essex · England | 51.8828, 1.0046 | |
| Holton St Mary | Essex · England | 51.8828, 1.0046 | |
| Great Bentley | Essex · England | 51.8533, 1.0638 | |
| Fox Street | Essex · England | 51.8828, 1.0046 | |
| Elmstead Market | Essex · England | 51.8822, 0.9948 | |
| East End | Essex · England | 51.8828, 1.0046 | |
| East Bergholt | Suffolk · England | 51.9778, 1.0176 | |
| Dedham | Essex · England | 51.9589, 0.9934 | |
| Crockleford Heath | Essex · England | 51.8828, 1.0046 | |
| Brightlingsea | Essex · England | 51.8116, 1.0234 | |
| Ardleigh | Essex · England | 51.926, 0.9855 | |
| Alresford | Essex · England | 51.8539, 1.002 | |
| Aingers Green | Essex · England | 51.8828, 1.0046 | |
| Frating Green | Essex · England | 51.8828, 1.0046 | |
| Lamarsh | Essex · England | 51.9865, 0.7524 | |
| Mount Bures | Essex · England | 51.9599, 0.7731 | |
| Bures | Suffolk · England | 51.9724, 0.7749 | |
| Bures Green | Essex · England | 51.9729, 0.7668 | |
| Alphamstone | Essex · England | 51.9827, 0.7325 | |
| Little Maplestead | Essex · England | 51.9748, 0.6611 | |
| Whiteash Green | Essex · England | 51.995, 0.5844 | |
| Toppesfield | Essex · England | 52.0081, 0.5313 | |
| Stambourne | Essex · England | 52.0206, 0.5079 | |
| Sible Hedingham | Essex · England | 51.9777, 0.5926 | |
| Ridgewell | Essex · England | 52.0393, 0.5318 | |
| Pool Street | Essex · England | 51.995, 0.5844 | |
| Pebmarsh | Essex · England | 51.9687, 0.6961 | |
| Little Yeldham | Essex · England | 52.0254, 0.5879 | |
| Birdbrook | Essex · England | 52.0427, 0.4892 | |
| Highstreet Green | Essex · England | 51.995, 0.5844 | |
| Halstead | Essex · England | 51.9451, 0.6393 | |
| Greenstead Green | Essex · England | 51.995, 0.5844 | |
| Great Yeldham | Essex · England | 52.0135, 0.5654 | |
| Great Maplestead | Essex · England | 51.9789, 0.6298 | |
| Gosfield | Essex · England | 51.9366, 0.592 | |
| Gestingthorpe | Essex · England | 52.0182, 0.6387 | |
| Castle Hedingham | Essex · England | 51.9902, 0.5988 | |
| Baythorn End | Essex · England | 51.995, 0.5844 | |
| Barr Hall | Essex · England | 51.995, 0.5844 | |
| Wickham St Paul | Essex · England | 51.995, 0.5844 |
Based on 199 records, 16 postal code values and 199 mapped localities. Coordinate coverage is 100.0%.
| Postal code | Locality | Administrative path | Coordinates |
|---|---|---|---|
| CO1 | Colchester | England / Essex | 51.8892, 0.9042 |
| CO10 | Acton | England / Suffolk | 52.0706, 0.7619 |
| CO10 | Alpheton | England / Suffolk | 52.1233, 0.7476 |
| CO10 | Ashen | England / Essex | 52.0517, 0.5465 |
| CO10 | Assington | England / Suffolk | 52.0084, 0.8165 |
| CO10 | Ballingdon | England / Essex | 52.0601, 0.612 |