Barnston is a village in Essex, England.

It is situated within the CM6 postcode district, which is within the Dunmow post town.

The full list of postcode districts within the Dunmow post town is as follows:

The Dunmow post town is within the Chelmsford postcode area.

Key data for Barnston, Essex:

Administrative Ward: Barnston and High Easter

Administrative District: Uttlesford

Administrative County: Essex

Country: England

UK Parliament: Saffron Walden

NHS Local Health Authority: East of England

NHS Region: North, Midlands and the East

A map showing the location of Barnston, Essex within the CM6 postcode district