CO postcode area

The CO postcode area, also known as the Colchester postcode area, is a group of sixteen postcode districts in the east of England, within nine post towns. These cover northeast Essex (including Colchester, Bures, Clacton-on-Sea, Frinton-on-Sea, Halstead, Harwich, Manningtree and Walton-on-the-Naze) and a small part of south Suffolk (including Sudbury). The main sorting office is in Colchester.

Coverage
The approximate coverage of the postcode districts:

! CO1 ! CO2 ! CO3 ! CO4 ! CO5 ! CO6 ! CO7 ! CO8 ! CO9 ! CO10 ! CO11 ! CO12 ! CO13 ! CO14 ! CO15 ! CO16
 * COLCHESTER
 * Colchester
 * Colchester
 * COLCHESTER
 * Old Heath, Berechurch, Layer de la Haye
 * Colchester
 * COLCHESTER
 * Lexden, Fordham Heath, Stanway
 * Colchester
 * COLCHESTER
 * Greenstead, Highwoods, St Johns, Myland, Boxted, Braiswick
 * Colchester
 * COLCHESTER
 * Tiptree, Kelvedon, West Mersea, Peldon, Rowhedge
 * Colchester, Braintree, Maldon
 * COLCHESTER
 * Coggeshall, Earls Colne, Marks Tey, Great Tey, Chappel, White Colne, Wakes Colne, Fordham, Copford, West Bergholt, Great Horkesley, Wormingford, Nayland, Stoke-by-Nayland, Polstead
 * Colchester, Braintree, Babergh
 * COLCHESTER
 * Brightlingsea, Wivenhoe, Great Bentley, Alresford
 * Colchester, Tendring, Babergh
 * BURES
 * Bures, Alphamstone
 * Colchester, Braintree, Babergh
 * HALSTEAD
 * Halstead
 * Braintree
 * SUDBURY
 * Sudbury, Lavenham, Long Melford
 * Babergh, West Suffolk, Braintree
 * MANNINGTREE
 * Manningtree, Lawford, Mistley, Bradfield, Wrabness, Wix, Horsley Cross, Little Bromley, Brantham, Cattawade
 * Tendring, Babergh
 * HARWICH
 * Harwich, Dovercourt, Parkeston, Ramsey, Little Oakley, Great Oakley, Stones Green
 * Tendring
 * FRINTON-ON-SEA
 * Frinton-on-Sea
 * Tendring
 * WALTON ON THE NAZE
 * Walton-on-the-Naze
 * Tendring
 * CLACTON-ON-SEA
 * Clacton-on-Sea, Jaywick
 * Tendring
 * CLACTON-ON-SEA
 * Clacton-on-Sea, St Osyth, Little Clacton
 * Tendring
 * }