HA4 is in the county of Greater London. It is 9km south-east of the town of Rickmansworth, and contains Ruislip, South Ruislip, Ruislip Manor, West Ruislip, and Ruislip Common. HA4 is 21km west of the city of London. HA4 is a postcode district, also known as an outcode or outbound code.
HA4 and coronavirus (COVID-19): Public Health England report confirmed coronavirus cases by Upper Tier Local Authority, based on the postcode of the patient. All HA4 postcodes are in the Hillingdon Upper Tier Local Authority. Track confirmed COVID-19 cases in Hillingdon and view Hillingdon cases on a map.
The below map shows where HA4 is, and the boundary of the HA4 postcode district:
Postal Boundaries © GEOLYTIX copyright and database right 2012
HA4 is in the county of Greater London.
This data was derived from the below datasets:
Source: GEOLYTIX Postal Geometries
Licence: GeoLytix OpenData Licence Terms and Conditions
Source: Ordnance Survey Ceremonial Counties
Licence: Open Government Licence
Position of HA4 relative to nearby towns. Distance is measured from the centre of HA4 to the centre of the town.
Position of HA4 relative to nearby cities. Distance is measured from the centre of HA4 to the centre of the city.