Colchester
23 postcode sectors mapped mainly to Colchester. Choose a district or browse the guides below. These are postcode sectors, not named neighbourhood boundaries.
Postcode districts
Area guides
23 sectors
- CO1 1Near Handford Place
- CO1 2Near Hythe
- CO1 9Near Birch
- CO2 0Near Layer-de-la-Haye
- CO2 7Near Handford Place
- CO2 8Near Old Heath
- CO2 9Near Handford Place
- CO3 0Near Stanway
- CO3 3Near Handford Place
- CO3 4Near Lexden
- CO3 8Near Stanway
- CO3 9Near Stanway
- CO4 0Near Highwoods
- CO4 3Near Greenstead
- CO4 5Near Boxted
- CO4 6Near Mile End
- CO4 9Near Highwoods
- CO5 0Near Tiptree
- CO5 1Near Tiptree
- CO5 7Near Abberton
- CO6 1Near Great Tey
- CO6 3Near Colchester
- CO7 9Near Rowhedge
Authority grouping uses mapped sector boundaries from the Office for National Statistics, December 2025. It measures boundary area, not the number of addresses or residents. Guide names describe a place near the approximate sector centre.