Collingtree is a village in Northamptonshire, England.
It is situated within the NN4 postcode district, which is within the Northampton post town.
The full list of postcode districts within the Northampton post town is as follows:
The Northampton post town is within the Northampton postcode area.
Administrative Ward: East Hunsbury
Administrative District: Northampton
Administrative County: Northamptonshire
Country: England
UK Parliament: South Northamptonshire
NHS Local Health Authority: East Midlands
NHS Region: North, Midlands and the East