NP1 4YJ

a terminated large user postcode in Caerphilly

Introduced in June 1996, terminated in June 1998

NP1 4YJ	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: 51.673 / 51°40'22"N

Longitude: -3.148 / 3°8'52"W

UTM Reference: 30U 489766 5724674

OS Easting: 320712

OS Northing: 197755

OS Grid: ST207977

Location Encoding

Mapcode Local: GBR HZ.5WBJ

Mapcode Global: VH6DG.D64V

Open Location Code: 9C3RMVF2+5Q

Maidenhead Locator System: IO81kq21

Demographics

Urban/Rural Indicator: C1

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

ONS Population Classification: 7b2

Semi- and Un-Skilled Workforce
Young Families in Industrial Towns
Families and Later Life

Index of Multiple Deprivation (IMD): 1448 / 1909

8th decile
less deprived

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

Sun and Moon Times for NP1 4YJ on Thursday 4 June 2026

Nautical twilight begins (First light)	03:01
Civil twilight begins (Dawn)	04:11
Sunrise	04:57
Transit (sun is at its highest)	13:10
Sunset	21:24
Civil twilight ends (Dusk)	22:10
Nautical twilight ends (Nightfall)	23:20

Hours of daylight today	04:27 to 21:54
Hours of darkness tonight (lighting-up time)	21:54 to 04:27
Moon Phase	Waning Gibbous
Moon Sets	07:06
Moon Rises	23:50

For a full sun and moon calendar for NP1 4YJ, go to The Time and Place

Elected Representatives for NP1 4YJ

United Kingdom Parliament

Constituency

Newport West and Islwyn

MP

Ruth Jones Labour

Caerphilly Council

Unitary Authority electoral division (UTE)

Crumlin

Councillors

Carl Thomas Labour

Kristian Woodland Labour

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

Government Statistical Services (GSS) data for NP1 4YJ

Code	Name	Data Type	Data Theme	Active Since	Data Owner
K01000013	Newport	Travel to Work Areas	Other	31 July 2015	ONS
W00007114		Output Areas	Statistical Building Block	1 January 2009	ONS
W01001356	Caerphilly 006A	Lower layer Super Output Areas	Statistical Building Block	1 February 2004	ONS
W02000295	Caerphilly 006	Middle layer Super Output Areas	Statistical Building Block	1 August 2004	ONS
W04000906	Crumlin	Communities	Administrative	1 April 2010	WG (LGBC)
W05001656	Crumlin	Electoral Wards	Administrative/Electoral	5 May 2022	WG (LGBC)
W06000018	Caerphilly	Unitary Authorities	Administrative	1 January 2009	WG (LGBC)
W07000105	Newport West and Islwyn	Westminster Parliamentary Constituencies	Electoral	4 July 2024	WG (BC)
W11000028	Aneurin Bevan University Health Board	Local Health Boards	Health	1 October 2009	WG (Health)
W15000002	Gwent	Police Force Areas	Other	1 January 2009	Home Office
W16000003	South Wales	Department for Children, Education, Lifelong Learning and Skills, WG	Other	1 January 2009	WG (Educ)
W31000001	Wales Non-National Park Area	Wales Non-National Park Area	Other	1 January 2009	WG (Envt)
W35002167		Workplace Zones	Census	31 December 2011	ONS
W45001098	Newbridge	Built Up Areas	Census	17 April 2024	OS
W92000004	Wales	Country	Administrative	1 January 2009	ONS

The UK Postcode Database