CO postcode area

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Postcode district boundaries: Bing

Colchester postcode area
CO is located in the United Kingdom
Postcode area CO
Postcode area name Colchester
Post towns 9
Postcode districts 16
Postcode sectors 74
Postcodes (live) 12,905
Postcodes (total) 17,146
Statistics as at February 2012[1]

The CO postcode area, also known as the Colchester postcode area,[2] is a group of postcode districts around Bures, Clacton-on-Sea, Colchester, Frinton-on-Sea, Halstead, Harwich, Manningtree, Sudbury and Walton-on-the-Naze in England.

The main sorting office is in Colchester. Though the area is based in Essex, it also covers a small part of south Suffolk.


The approximate coverage of the postcode districts:

Postcode district Post town Coverage Local authority area
CO1 COLCHESTER Colchester Colchester Borough
CO2 COLCHESTER Layer de la Haye Colchester Borough
CO3 COLCHESTER Stanway Colchester Borough
CO4 COLCHESTER Boxted Colchester Borough
CO5 COLCHESTER Tiptree Colchester Borough
CO6 COLCHESTER Coggeshall Colchester Borough
CO7 COLCHESTER Brightlingsea, Wivenhoe & Great Bentley Colchester Borough, Tendring District
CO8 BURES Bures, Alphamstone Colchester Borough, Braintree District, Babergh District
CO9 HALSTEAD Halstead Braintree District
CO10 SUDBURY Sudbury Babergh District
CO11 MANNINGTREE Manningtree, Lawford Tendring District
CO12 HARWICH Harwich Tendring District
CO13 FRINTON-ON-SEA Frinton-on-Sea Tendring District
CO14 WALTON ON THE NAZE Walton-on-the-Naze[3] Tendring District
CO15 CLACTON-ON-SEA Clacton-on-Sea Tendring District
CO16 CLACTON-ON-SEA Clacton-on-Sea, St Osyth, Little Clacton Tendring District


CO postcode area map, showing postcode districts, post towns and neighbouring postcode areas. CB postcode area CM postcode area IP postcode area
CO postcode area map, showing postcode districts in red and post towns in grey text, with links to nearby CB, CM and IP postcode areas.

See also[edit]


  1. ^ "ONS Postcode Directory Version Notes" (ZIP). National Statistics Postcode Products. Office for National Statistics. February 2012. Table 2. Retrieved 21 April 2012.  Coordinates from mean of unit postcode points, "Code-Point Open". OS OpenData. Ordnance Survey. February 2012. Retrieved 21 April 2012. 
  2. ^ Royal Mail, Address Management Guide, (2004)
  3. ^ The post town is unhyphenated.