SG3 is a postcode district within the Knebworth post town.

SG3 is the only postcode district within the Knebworth post town.

The Knebworth post town is within the Stevenage postcode area.


The full list of post towns with the Stevenage postcode area is as follows:

Villages within the SG3 postcode district:

A map of the SG3 postcode district