St Agnes is a village in Cornwall, England.

It is situated within the TR5 postcode district, which is within the St. Agnes post town.

TR5 is the only postcode district within the St. Agnes post town.

The St. Agnes post town is within the Truro postcode area.

Key data for St Agnes, Cornwall:

Administrative Ward: St Agnes

Administrative District: Cornwall

Country: England

UK Parliament: Truro and Falmouth

NHS Local Health Authority: South West

NHS Region: Southern

A map showing the location of St Agnes, Cornwall within the TR5 postcode district