Trimley St Mary is a village in Suffolk, England.
It is situated within the IP11 postcode district, which is within the Felixstowe post town.
IP11 is the only postcode district within the Felixstowe post town.
The Felixstowe post town is within the Ipswich postcode area.
Administrative Ward: Trimleys with Kirton
Administrative District: Suffolk Coastal
Administrative County: Suffolk
Country: England
UK Parliament: Suffolk Coastal
NHS Local Health Authority: East of England
NHS Region: North, Midlands and the East