Penn is a village in Buckinghamshire, England.
It is situated within the HP10 postcode district, which is within the High Wycombe post town.
The full list of postcode districts within the High Wycombe post town is as follows:
The High Wycombe post town is within the Hemel Hempstead postcode area.
Administrative Ward: Penn and Coleshill
Administrative District: Chiltern
Administrative County: Buckinghamshire
Country: England
UK Parliament: Chesham and Amersham
NHS Local Health Authority: South Central
NHS Region: Southern