London Borough of Hillingdon
The London Borough of Hillingdon is the largest and westernmost borough in West London, England. It was formed in 1965 from the districts of Hayes and Harlington, Ruislip-Northwood, Uxbridge, and Yiewsley and West Drayton in the ceremonial county... Wikipedia
Area codes: 01895, 01923, 020
Constituent country: England
Created: 1 April 1965
GSS code: E09000017
ONS code: 00AS
Police: Metropolitan Police