The UK Postcode Database

G21 4SY

a terminated postcode in

Introduced in August 1973, terminated in March 1977
G21 4SY 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: 55.8789 / 55°52'43"N

Longitude: -4.2321 / 4°13'55"W

UTM Reference: 30U 422918 6193282

OS Easting: 260460

OS Northing: 667330

OS Grid: NS604673

Location Encoding

Mapcode Local: GBR 0RD.5B

Mapcode Global: WH3P2.YHWK

Open Location Code: 9C7QVQH9+G5

Maidenhead Locator System: IO75vv20

Demographics

Urban/Rural Indicator: 1

  • large urban area
  • a major city

ONS Population Classification: 2c2

  • Cosmopolitans
  • Comfortable Cosmopolitans
  • Migrant Commuters

Index of Multiple Deprivation (IMD): 1339 / 6976

  • 2nd decile
  • much more deprived

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

Sun and Moon Times for G21 4SY on Thursday 4 June 2026

Civil twilight begins (Dawn) 03:38
Sunrise 04:36
Transit (sun is at its highest) 13:15
Sunset 21:54
Civil twilight ends (Dusk) 22:52
Hours of daylight today04:06 to 22:24
Hours of darkness tonight
(lighting-up time)
22:24 to 04:05
Moon Phase Waning Gibbous
Moon Rises 00:02
Moon sets 06:42

For a full sun and moon calendar for G21 4SY, go to The Time and Place

Government Statistical Services (GSS) data for G21 4SY

CodeNameData TypeData ThemeActive SinceData Owner

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

The UK Postcode Database is a Good Stuff website.

Page generated in 3.31 seconds. 216.73.217.9. Thu, 04 Jun 2026 21:03:57 +0100. Acquisitive Numismatism.