Heddon-on-the-Wall is a village in Northumberland, England.
It is situated within the NE15 postcode district, which is within the Newcastle upon Tyne post town.
The full list of postcode districts within the Newcastle upon Tyne post town is as follows:
The Newcastle upon Tyne post town is within the Newcastle upon Tyne postcode area.
Administrative Ward: Ponteland South with Heddon
Administrative District: Northumberland
Country: England
UK Parliament: Hexham
NHS Local Health Authority: North East
NHS Region: North, Midlands and the East