- Source: 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, Clacton-on-Sea, Frinton-on-Sea, Halstead, Harwich, Manningtree and Walton-on-the-Naze) and a small part of south Suffolk (including Bures and Sudbury).
The main sorting office is in Colchester.
Coverage
The approximate coverage of the postcode districts:
Map
See also
List of postcode areas in the United Kingdom
Postcode Address File
References
External links
Royal Mail's Postcode Address File
A quick introduction to Royal Mail's Postcode Address File (PAF)