Frithville is a village in Lincolnshire, England.
It is situated within the PE22 postcode district, which is within the Boston post town.
The full list of postcode districts within the Boston post town is as follows:
The Boston post town is within the Peterborough postcode area.
Administrative Ward: Frithville
Administrative District: East Lindsey
Administrative County: Lincolnshire
Country: England
UK Parliament: Boston and Skegness
NHS Local Health Authority: East Midlands
NHS Region: North, Midlands and the East