The UK Postcode Database

CO12 3NZ

a terminated large user postcode in Essex

Introduced in September 1991, terminated in December 1996
CO12 3NZ 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: 51.9432 / 51°56'35"N

Longitude: 1.2883 / 1°17'17"E

UTM Reference: 31U 382346 5756109

OS Easting: 626100

OS Northing: 232300

OS Grid: TM261323

Location Encoding

Mapcode Local: GBR VQR.2K6

Mapcode Global: VHLCG.8FX5

Open Location Code: 9F33W7VQ+78

Maidenhead Locator System: JO01pw46

Demographics

Urban/Rural Indicator: C1

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

ONS Population Classification: 7a2

  • Semi- and Un-Skilled Workforce
  • Established but Challenged
  • Industry Associations

Index of Multiple Deprivation (IMD): 3052 / 32844

  • 1st decile
  • most deprived

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

Sun and Moon Times for CO12 3NZ on Wednesday 3 June 2026

Nautical twilight begins (First light) 02:41
Civil twilight begins (Dawn) 03:52
Sunrise 04:39
Transit (sun is at its highest) 12:53
Sunset 21:06
Civil twilight ends (Dusk) 21:53
Nautical twilight ends (Nightfall) 23:04
Hours of daylight today04:09 to 21:36
Hours of darkness tonight
(lighting-up time)
21:36 to 04:08
Moon Phase Waning Gibbous
Moon Sets 05:34
Moon Rises 23:12

For a full sun and moon calendar for CO12 3NZ, go to The Time and Place

Elected Representatives for CO12 3NZ

United Kingdom Parliament
Constituency

Harwich and North Essex

MP

Bernard Jenkin Conservative

Essex County Council
County council electoral division

Harwich

Councillor

Ivan Henderson Labour

Tendring District Council
District council ward

Harwich & Kingsway

Councillor

Ivan Henderson Labour

CO12 3NZ also falls within the Civil Parish of Harwich, which has its own parish council and parish councillors. These are not shown here.

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

Government Statistical Services (GSS) data for CO12 3NZ

CodeNameData TypeData ThemeActive SinceData Owner
E00111744 Output Areas Statistical Building Block 1 January 2009 ONS
E01021997 Tendring 001A Lower layer Super Output Areas Statistical Building Block 1 February 2004 ONS
E02004573 Tendring 001 Middle layer Super Output Areas Statistical Building Block 1 August 2004 ONS
E04004099 Harwich Civil Parishes Administrative 1 January 2009 DLUHC
E05011945 Harwich & Kingsway Electoral Wards/Divisions Administrative/Electoral 2 May 2019 DLUHC
E07000076 Tendring 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
E14001273 Harwich and North Essex Westminster Parliamentary Constituencies Electoral 4 July 2024 LGBC
E23000028 Essex Police Force Areas Other 1 January 2009 Home Office
E30000192 Clacton Travel to Work Areas Other 31 July 2015 ONS
E33026881 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
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
E58000438 Harwich ED County Electoral Divisions Electoral 10 June 2004 DLUHC
E63011115 Harwich 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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