The UK Postcode Database

CO4 4SJ

a terminated postcode in Essex

Introduced in August 1992, terminated in December 2001
CO4 4SJ Normal (geographic) postcodes Large user postcodes

The nearby postcodes map only shows currently active postcodes. Postcode markers will cluster if they are close together, which may happen in densly populated built-up areas or where single premises have multiple postcodes.

Coordinates

Latitude: 51.9129 / 51°54'46"N

Longitude: 0.9174 / 0°55'2"E

UTM Reference: 31U 356760 5753401

OS Easting: 600751

OS Northing: 227840

OS Grid: TM007278

Location Encoding

Mapcode Local: GBR SMZ.4R6

Mapcode Global: VHKFZ.V5CX

Open Location Code: 9F32WW78+5X

Maidenhead Locator System: JO01lv09

Demographics

Urban/Rural Indicator: C1

  • urban city or town
  • a town or city, surrounded by populated countryside

ONS Population Classification: 6b3

  • Baseline UK
  • Legacy Industrial and Coastal Communities
  • EU Singles

Index of Multiple Deprivation (IMD): 17204 / 32844

  • 6th decile
  • slightly less deprived

Demographics are based on the LSOA containing this postcode and not necessarily this postcode alone

Sun and Moon Times for CO4 4SJ on Thursday 4 June 2026

Nautical twilight begins (First light) 02:42
Civil twilight begins (Dawn) 03:53
Sunrise 04:40
Transit (sun is at its highest) 12:54
Sunset 21:09
Civil twilight ends (Dusk) 21:55
Nautical twilight ends (Nightfall) 23:07
Hours of daylight today04:10 to 21:39
Hours of darkness tonight
(lighting-up time)
21:39 to 04:09
Moon Phase Waning Gibbous
Moon Sets 06:47
Moon Rises 23:35

For a full sun and moon calendar for CO4 4SJ, go to The Time and Place

Elected Representatives for CO4 4SJ

United Kingdom Parliament
Constituency

Colchester

MP

Pam Cox Labour

Essex County Council
County council electoral division

Mile End and Highwoods

Councillor

David King Liberal Democrats

Colchester Borough Council
District council ward

Highwoods

Councillors

Alison Jay Liberal Democrats

Simon Appleton Liberal Democrats

Jocelyn Law Labour

Elected representative data is updated approximately monthly, so may not include recent by-elections or vacancies.

Government Statistical Services (GSS) data for CO4 4SJ

CodeNameData TypeData ThemeActive SinceData Owner
E00110063 Output Areas Statistical Building Block 1 January 2009 ONS
E01021668 Colchester 002A Lower layer Super Output Areas Statistical Building Block 1 February 2004 ONS
E02004507 Colchester 002 Middle layer Super Output Areas Statistical Building Block 1 August 2004 ONS
E05010830 Highwoods Electoral Wards/Divisions Administrative/Electoral 5 May 2016 DLUHC
E07000071 Colchester Non-metropolitan Districts Administrative 1 January 2009 DLUHC
E10000012 Essex Counties Administrative 1 January 2009 DLUHC
E12000006 East of England Regions Administrative 1 January 2009 DLUHC
E14001176 Colchester Westminster Parliamentary Constituencies Electoral 4 July 2024 LGBC
E23000028 Essex Police Force Areas Other 1 January 2009 Home Office
E30000193 Colchester Travel to Work Areas Other 31 July 2015 ONS
E33026576 Workplace Zones Census 31 December 2011 ONS
E37000056 South East Local Enterprise Partnerships Other 1 April 2020 BEIS
E38000117 NHS North East Essex CCG Sub Integrated Care Board Locations Health 1 April 2020 ODS
E40000007 East of England NHS England Regions Health 1 April 2019 ODS
E43000228 Colchester, unparished area Non-Civil Parished Areas Census 1 April 2013 ONS
E54000023 Suffolk and North East Essex Integrated Care Boards Health 1 April 2020 NHS
E56000035 East of England Cancer Alliances Health 1 April 2024 NHS England
E58000445 Mile End and Highwoods ED County Electoral Divisions Electoral 10 June 2004 DLUHC
E63011220 Colchester Built Up Areas Census 17 April 2024 OS
E65000001 England Non-National Park Area England Non-National Park Area Census 27 February 2023 ONS
E92000001 England Country Administrative 1 January 2009 ONS

All public sector data is licensed under the Open Government Licence v2.0.

The UK Postcode Database is a Good Stuff website.

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