Canewdon is a village in Essex, England.
It is situated within the SS4 postcode district, which is within the Rochford post town.
SS4 is the only postcode district within the Rochford post town.
The Rochford post town is within the Southend-on-Sea postcode area.
Administrative Ward: Ashingdon and Canewdon
Administrative District: Rochford
Administrative County: Essex
Country: England
UK Parliament: Rayleigh and Wickford
NHS Local Health Authority: East of England
NHS Region: North, Midlands and the East