Wherwell is a village in Hampshire, England.
It is situated within the SP11 postcode district, which is within the Andover post town.
The full list of postcode districts within the Andover post town is as follows:
The Andover post town is within the Salisbury postcode area.
Administrative Ward: Harewood
Administrative District: Test Valley
Administrative County: Hampshire
Country: England
UK Parliament: Romsey and Southampton North
NHS Local Health Authority: South Central
NHS Region: Southern