Long Wittenham is a village in Oxfordshire, England.

It is situated within the OX14 postcode district, which is within the Abingdon post town.

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

The Abingdon post town is within the Oxford postcode area.

Key data for Long Wittenham:

Administrative Ward: Brightwell

Administrative District: South Oxfordshire

Administrative County: Oxfordshire

Country: England

UK Parliament: Wantage

NHS Local Health Authority: South Central

NHS Region: Southern

A map showing the location of Long Wittenham within the OX14 postcode district